This lesson is taught out loud.

A teacher will read it to you, and the page will keep up. You will be asked things — take your time answering. Headphones are better, but everything is written on screen too.

The Lost World · Arthur Conan Doyle

Chapter 4 Into the Unknown

Novel pages 23–29 · Egyptian Baccalaureate, 2nd Year

The story so far · after Chapter 3, The Expedition Is Chosen

At the Zoological Institute, Summerlee demanded proof that could be tested — and Challenger dared him to go and see for himself. Summerlee said yes. Malone volunteered before he had decided to, and Lord John Roxton volunteered beside him. The party sailed to Brazil, hired Zambo and two river men, and opened Challenger’s sealed instructions at noon in Manaos. The paper was blank: Challenger had come himself, to guide them.

Chapter 4 · Into the Unknown

Lord John had hired a steam launch called the Esmeralda to carry us up the Amazon. The river was so wide that, even far inland, the opposite bank often looked like a distant shadow. Day after day we moved through heat, rain, brilliant sunlight, and walls of green forest. Challenger refused to reveal our exact route. He made all of us promise that, even if we returned safely, we would not publish enough information for strangers to locate the plateau. He said careless visitors could destroy a place that science had barely discovered.

After several days we left the main river and entered a large tributary. It gradually became narrower. At a small riverside village, Challenger ordered the Esmeralda back to Manaos. “From here we use canoes,” he said. “Soon there will be rapids. A steam launch cannot continue.” We hired two local guides who had accompanied Challenger during his earlier journey. They were clearly frightened by the idea of returning, but they knew the route. For several days our canoes moved through a beautiful green waterway. Monkeys watched us from branches. Bright birds stood on fallen logs. Once we saw a puma disappear into the forest. The animals seemed less afraid of humans the farther we traveled. Then the water became too shallow. We hid the canoes and continued on foot, carrying food, rifles, blankets, instruments, and medical supplies.

The land rose steadily. Thick tropical forest gave way to palms, rocky slopes, orchids, bamboo, and wide areas of tree-ferns. Progress was exhausting. Sometimes we spent an entire day cutting a path through bamboo so dense that we could see only a few meters ahead. Challenger and Summerlee argued constantly. “We should follow the compass,” Challenger insisted one morning. “We should follow the men who have actually walked through this country,” Summerlee replied. Lord John usually prevented the arguments from becoming serious. “Save your energy, gentlemen. You may need it for something with bigger teeth.”

On the ninth day after leaving the canoes, Challenger suddenly stopped and pointed. A huge grey shape rose from the plain ahead. It flapped slowly, flew low across the tree-ferns, and disappeared behind the forest. “A pterodactyl!” Challenger cried. Summerlee gave a short laugh. “A large bird.” Lord John had been watching through field glasses. “I cannot tell you what it was,” he said, “but I can tell you I have never seen a bird shaped like that.”

Then Challenger noticed that the separate rock tower stood close to the main cliff. If we could climb the tower and somehow cross the gap, we might reach the top. The climb was difficult but possible. We carried a rope up and reached the tree that grew on the tower. From there we could see the green edge of the plateau only a short distance away - but between us and it was a deep chasm. Lord John looked at the tree. “If we cut it down in the right direction, it could fall across the gap.”

For the first time, all four of us stood inside Maple White Land. The air was warm and still. Thick bushes grew near the cliff, while taller trees formed a dark forest beyond. Strange calls came from somewhere in the distance. Challenger’s face shone with triumph. “Professor Summerlee,” he said, “we can now begin the investigation you demanded.” Summerlee adjusted his glasses. “We can begin it. I have not yet said how it will end.”

At first we thought it had slipped. Then a face appeared on the opposite rock tower. It was Gomez. His calm expression had disappeared. He looked across the gap at Lord John with open hatred. “You are trapped now!” he shouted. Lord John stepped forward. “Why?” Gomez laughed. “Think of Pedro Lopez. He was my brother. You killed him. I have waited years for this.” So the past had followed us into the unknown. Gomez had pushed the tree from the tower after we crossed. The four of us were now on a plateau surrounded by cliffs, with no known road down. “Your bones will stay up there,” Gomez called. A moment later Lord John raised his rifle. Gomez disappeared behind the rock. We heard shouting and then silence.

Question 5 · one event, three reports

A huge grey shape flew across the plain. All three men saw the same thing. Two of them are scientists.

✓ Exactly what the evidence carries

He is the only one who separates what he saw from what he can conclude. He reports the observation, states the limit of it, and adds the one thing he IS qualified to say — he is a hunter, and he knows the shapes of birds. The non-scientist gives the scientific answer.

What the sighting actually supports: that something large flew across the plain, and that it was not shaped like any bird the men present had seen. Not that it was a pterodactyl. Not that it was a bird. This is the same discipline as “The cliffs exist. That proves the cliffs exist. Nothing more.”

The lines to keep from this chapter

“I cannot tell you what it was, but I can tell you I have never seen a bird shaped like that.” — the only honest report of the three, from the only man present who is not a scientist.

“The cliffs exist. That proves the cliffs exist. Nothing more.” — Summerlee sounds stubborn and is being exactly right. The drawing was of a real place; that says nothing about the animal on the next page.

“So the past had followed us into the unknown.” — and “Below us, however, Zambo had remained loyal.” Two men hired the same week, in the same place, for the same wages.

One quiet detail worth having: “The animals seemed less afraid of humans the farther we traveled.” The novel telling you they are leaving the human world behind.

In the exam · “Explain” is not “excuse”

It looks like this: JRE 2 — “Do Lord John’s past actions help EXPLAIN Gomez’s betrayal?”

Always: read the verb. To explain something is to say why it happened. To excuse it is to say it was acceptable. The question only asks the first. Students who confuse them either refuse to answer — as though agreeing would mean approving of stranding four men on a cliff — or drift into arguing that Roxton brought it on himself. Three things are true at once here, and a full answer says all three: freeing the workers was right, Gomez’s grief is real, and his revenge is out of all proportion to it.

1 · Chapter Summative — six questions

Seven in Chapter 1, eight in Chapters 2 and 3, six here. Read the number off the page every time. No key is printed, so each answer carries the sentence it came from.

1. Explain — Explain why the explorers leave the Esmeralda and continue by canoe and later on foot.

Each form of transport fails at the next obstacle. The steam launch is sent back to Manaos because rapids are coming and a launch cannot pass them. The canoes are hidden when the water becomes too shallow to float them. After that the party walks, carrying food, rifles, blankets, instruments and medical supplies. The shrinking transport measures how far they are getting from the ordinary world.

“From here we use canoes… Soon there will be rapids. A steam launch cannot continue.”

2. Explain — Explain how the explorers use the tree on the rock tower to reach the plateau.

The main cliff is almost vertical and nothing they try reaches the top. Challenger notices that the separate rock tower stands close to the main cliff, so they climb the tower with a rope and reach the tree growing on its summit. Roxton sees that the tree, if felled in the right direction, would span the chasm. After hours with axes it falls across the gap with its upper branches on the plateau, and they cross the trunk one at a time.

“If we cut it down in the right direction, it could fall across the gap.” … “We had a bridge.”

3. Explain — Why does Gomez destroy the tree bridge after the explorers cross it?

Revenge. Pedro Lopez, the rubber trader whose power Lord John destroyed, was Gomez’s brother, and Gomez has waited years for the chance. He does not act until they have crossed, because the point is not to stop them reaching the plateau but to make sure they cannot leave it.

“Think of Pedro Lopez. He was my brother. You killed him. I have waited years for this.”

4. Analyze — How are Zambo and Gomez presented as contrasting examples of loyalty and betrayal?

They are deliberately matched. Both were hired in the same place in the same week for wages, and both are outside the four-man party. Gomez uses his position to wait years and then strand them; Zambo uses his to climb the opposite tower the moment Gomez has gone and shout “Tell me what to do!” Gomez has a personal reason and acts on it; Zambo has no personal stake at all and stays anyway. The novel puts them within a page of each other, and Zambo is the one it names in the final assessment.

“Below us, however, Zambo had remained loyal.”

5. Analyze — Analyze how the sighting of the strange flying creature develops the conflict between evidence and scepticism.

One event produces three different responses and none of the three settles anything, which is exactly the point. Challenger names a species instantly — but he has believed in that creature for two years, so his identification runs ahead of what a distant grey shape can show. Summerlee’s “a large bird” sounds cautious but is the same error in reverse: he has also identified it, just as fast, on just as little evidence, and chosen the boring answer. Only Roxton separates observation from conclusion — “I cannot tell you what it was, but I can tell you I have never seen a bird shaped like that.” The conflict is sharpened rather than resolved, and the sighting proves only that something flew and it was strangely shaped.

“I cannot tell you what it was… but I have never seen a bird shaped like that.”

6. Evaluate — Evaluate the explorers’ decision to cross the tree bridge. Was the scientific goal worth the physical risk?

Both sides, and the chapter supplies them. For: the whole expedition exists to settle a question that cannot be settled from below, they had spent days proving no other route existed, and the crossing itself was carefully done — a felled tree, one man at a time, Roxton last. The risk was of falling, and it was managed. Against: the real danger was never the crossing, it was that a single bridge is a single point of failure, and nobody considered that it could be destroyed behind them. Judgement: the decision to cross was reasonable; the failure was in having no second route and no plan for losing the first — which is precisely what happens fifty metres later.

“We had reached the lost world. And now we could not leave it.”

Novel · Chapter 4 · JRE question 1

Spend about 6 minutes

2.1

Justify your answer with clear reasoning about what makes his actions important after the betrayal, and support it with details from the chapter.

Does Zambo deserve to be considered one of the heroes of the expedition?

[4]

The mark weights shown are teaching weights, worked out from the textbook’s own task types and its Justify–Reason–Evidence structure. They show you how a full answer is built and what an examiner is looking for. They are not a published ministry mark scheme.

The spine · everything up to Chapter 4

The final assessment asks for evidence from at least three different chapters. This is where you collect it — nothing beyond Chapter 4 is shown, so nothing is spoiled.

Evidence versus belief

Feeds: Novel Summative Q10 — trace this from Challenger’s first claims to the living pterodactyl in London.

Ch 1Challenger has photographs, sketches and “a few pieces of evidence” — and refuses to say where they came from. McArdle: “Most people think he is either mistaken or lying. Find out which.” The novel opens on a claim nobody can check.

Ch 2The novel’s clearest statement of how evidence works: “One item alone might have been explained away. Together they were much harder to dismiss.” Three independent things — a dead man’s drawing, a damaged photograph, a piece of bone — pointing the same way. And Challenger’s answer to belief: “I do not believe. I know.”

Ch 3Summerlee states the scientific standard in one line: “provide proof that can be tested.” Challenger’s answer is not more argument but an invitation to come and look — which is what finally moves the claim from untestable to testable. “There is nothing amusing about evidence.”

Ch 4One event, three reports. Challenger: “A pterodactyl!” Summerlee: “A large bird.” Roxton: “I cannot tell you what it was, but I can tell you I have never seen a bird shaped like that.” The non-scientist gives the only scientific answer — he reports exactly what he saw and no more. And Summerlee on the cliffs: “That proves the cliffs exist. Nothing more.”

What courage actually is

Feeds: Novel Summative JRE Q1 — can Malone be described as a hero by the end?

Ch 1Two definitions collide in one conversation. Malone’s: do something brave so Gladys will have me. Gladys’s: “He acts because courage is part of his character.” The whole novel is the distance between those two.

Ch 2Malone’s first act that matches Gladys’s definition, and nobody is watching Gladys. Bleeding on the steps with a witness and a policeman, he tells the truth against his own interest: “It was partly my fault. I will not press charges.” He does it because it is right, not to impress anyone — which is exactly what she said courage was.

Ch 3Now he applies her standard to himself, unprompted: “I wanted to say that I was doing it for her, but I remembered her earlier words. A brave act done only to win approval was not true courage.” In Chapter 1 the standard was set for him. Here he enforces it on himself, and gives up the credit.

Ch 4Courage becomes ordinary and physical: four men crossing a chasm on a felled tree, Challenger first, Roxton last “with a balance and calm that I could hardly believe”. Nobody is watching, nobody is being impressed, and it still has to be done.

London against the unknown

Feeds: Novel Summative Q9 — how the contrast develops the novel’s ideas about courage, discovery and identity.

Ch 1“London suddenly seemed too safe.” Safety is the problem, not the goal — which is the reversal the whole book is built on.

Ch 2The reversal begins: “As I stepped into the London street, the ordinary traffic seemed suddenly unreal.” The known world starts to look like the strange one.

Ch 3London is left behind for good, and Challenger measures the distance in stages: “we are going into a country that very few outsiders have seen. Later we will go beyond even that.” Two frontiers, not one.

Ch 4The frontier is crossed and then sealed behind them: “We had reached the lost world. And now we could not leave it.” The two worlds are no longer connected by anything but a rope and one loyal man.

Whether the expedition needs everyone

Feeds: Novel Summative JRE Q3 — is teamwork the main reason the expedition succeeds?

Ch 3The team is assembled, and the novel makes a point of how unlike each other they are: “We were different in age, character, and purpose. Yet we now shared one question.” Challenger has the knowledge, Summerlee the doubt, Roxton the practical skill and the Amazon, Malone the record — and Zambo and the river men the means to get there at all.

Ch 4The team is tested for the first time and holds — Roxton defuses the scientists’ arguing, Challenger finds the route up, and it is Zambo, who is not on the plateau at all, who keeps them supplied. The expedition’s survival already depends on someone the party barely counted as a member.

Key Terms used in this chapter

From the novel’s own glossary on page 76. Only the words this chapter used are shown.

plateau — a high area of fairly level land, often surrounded by steep sides

pterodactyl — a flying reptile that lived in prehistoric times

Carried forward from Chapter 4

• Three witnesses, one event. Say what you saw and what you cannot conclude — the novel’s clearest statement of the evidence theme.
• Summerlee will not concede a word beyond what has been shown. Three times in one chapter. That is why his eventual agreement will matter.
• Zambo against Gomez — loyalty and betrayal, hired the same week.
• They cannot get down. Everything from here happens under that condition.

Keep reading — this lesson marks itself done automatically.