17. On what plan is the body of a jelly-fish made?
18. To what family do the jelly-fish belong?
19. Which of you can draw the plan of the radiates on the blackboard?
20. Has the jelly-fish much water in its body?
21. Can you tell me of what shapes jelly-fish are?
22. What are some of the names which they get from their shapes?
23. What do you know about jelly-fish before they swim about?
24. What are the long arms of the jelly-fish called?
25. How many rays are there in the jelly-fish pattern?
26. How do the eyes of jelly-fish differ?