out of the water, the crocodile raises the ear-lid to listen; when he dives, the entrance of water into the ear is prevented by the firm shutting of the lid which accurately fits the orifice.

38. They number about two thousand species.

39. Marine plants, small animals, and vegetable food; require little nourishment, and can exist months and even years without food. They have been known to live to the age of two hundred years.

40. Yes, there is a species of lizard which has been given this name, owing to having wings like the butterfly, which can be folded or expanded at will, but cannot raise the animal into the air. It flutters from branch to branch or shoots from tree to tree.

41. Progression is made in two ways-ordinarily by a series of short steps taken by two sets of ribs, as is seen in the mellipede; more rapid progress is made by throwing the body into large curvatures, the fore part being repeatedly thrown forward by the action of the tailward muscles.

42. No, because they do not sting, they bite.

43. The harmless serpents have four rows of teeth on the upper part of the mouth, two rows on the jaws, and two on the palate; each division of the lower jaw is also armed with a single row; venomous serpents differ by having no teeth on the upper jaw except the poison fangs.

44. It is soft, fleshy, divided into two parts at the extremity, and works in a sheath. The fangs are long teeth fastened to each branch of the upper jaw, recurved and traversed by a canal or tube leading to a gland situated beneath the eye; the fluid made by the fang passes through

this tube into the wound.

45. It is from 30 to 35 feet in length, and is distinguished by a colored chain running length of back, pale oval dashes, or spots, and large blackish marks; the anaconda is brownish in color, with double series of roundish black blotches running along back; spots at sides are white, surrounded by blackish rings.

46. The Amphibia; which include frogs, toads, etc. One life is in the tadpole state, another in the frog, toad, or salamander state.

47. It can leap over a wall five feet high, and is distinguished by the entire absence of a web on the hind feet.

48. There is a cushioned apparatus at the ends of their fingers, like

an air pump, which gives the animal power to walk on a ceiling or mirror; even suspending itself by one finger, if so disposed; the cushion is moist with a thick glutinous fluid.

49. The female has the back pitted with a great number of little cells, in them are placed, by the male, the eggs she has deposited; she then repairs to the water, her back swells, the pits deepen, and in due time the tadpoles appear; they pass the tadpole state on her back, emerging when they have lost their tail, and have their legs. The mother then returns to the land.

50. Fishes (Pisces) are weaker, have less strength and sensibility, eyes are protected by no lids; ears having no external parts, taste and smell are blunted. This class surpasses all others in number and variety.

51. Those belonging to the Radiata, or animals with rays; the animalcula, found in stagnant water, and other places, belong to this family, also Coral, Polypi, Medusa, and Entozoa.

52. They comprise several classes of soft pulpy animals, including many species of shell-fish and snails.

53. Crabs, Lobsters, Prawns, Barnacles, etc.

54. Yes, and there is an innumerable variety, some being small and creeping, and others winged.

55. The changes they undergo during their stages of growth.

56. They are usually much projected, and consist of a vast number of distinct lenses, which enable them to see on all sides; a butterfly has 34,000 of these lenses, 17,000 to each eye.

57. The Ant, which in warm climates is active night and day during the entire year; to these the words of Scripture have special reference, "Go to the ant, thou sluggard, consider her ways and be wise."

58. Those that range about in vast armies, and on entering houses they drive out rats, all other insects, and even man himself. Dr. Savage says: "I do not know of an insect more ferocious and determined on victory, 'Conquer or die,' is their motto." Found in tropical countries.

59. Underground, in fields and pastures; the larger females alone survive the winter; honey is inferior; live about ten years.

60. The female, the male or drone, and the worker. Their cells are the most wonderful of the insect structures.

2. What do we mean by the scientific or botanical name of a plant?

3. What is meant by Bioplasm? By Protoplasm?

4. What is a vegetable cell?

5. What is the peculiarity of the living matter in a vegetable cell? 6. The Vegetable Kingdom is divided into what two great sub-king

doms?

7. Under how many classifications, types or plans of structure, have botanists arranged the multitude of plants which clothe the earth and dwell in the sea?

8. Where may Protophytes (one-celled) or the simplest form of plants be found?

9. Into how many classes may Thallogens be divided?

10. Of what family are Stoneworts, Ferns and Mosses?

11. Name some of the most important families which grow outward from their interior?

12. Which is the most important family that grows from the outside? 13. How many varieties of the following well-known trees are found in the United States: 1, Oak; 2, Pine; 3, Birch; 4, Willows; 5, Poplar; 6, Alder; 7, Maple; 8, Magnolias; and 9, Elm.

14. How and why do plants grow; what were they made for, and what do they do?

15. How is the work divided which is performed by plants?

16. How do plants resemble animals?

17. What is the principal difference between animals and plants?

18. What conditions are necessary for the life of plants?

19. What are the plant's organs of vegetation?

20. Of what use is the flower of a plant?

21. Of how many and what parts is a flower composed? 22. What is the calyx and what the corolla of a blossom? 23. Of how many and what parts is a stamen composed? 24. Of how many and what parts is the pistil composed?

25. What parts of a flower wither after blossoming, and what part remains?

26. How is the seed of a plant produced, and where is the germ?

27. How does a germ sprout, and on what is it first nourished?

28. How long do seeds contain the germ of life?

29. In how many and what ways do plants multiply? 30. What is a bud?

31. How are plants propagated by buds?

32. What do we mean by the tissues of plants?

33. What are the cellular tissues of a plant?

34. Describe what is called the sleep of plants?

35. In what two ways do plants obtain their food?

36. Do plants ever draw nourishment from animal substances?

37. What do we mean by the transpiration of a plant?

38. Of what is the bloom on grapes composed?

39. What are the use of hairs on plants?

40. Of what use are hairs on plants that secrete a resinous, sugary or

odorous fluid?

41. Do sticky stems ever retain insects which the plant absorbs as food? 42. Why cannot crops which are periodically cut and taken away, be grown on the same ground year after year?

43. Into how many and what classes are herbs divided?

44. Describe Annuals, and give illustrations?

45. Describe Biennials, and mention a few?

[portant?

46. Of what class are Perennials, and name the family which is most im47. What may be said of the characteristics of the flora in different parts of the earth?

48. In tropical regions, where is the zone of the palms and bananas? 49. Where is the zone of evergreen trees and where those of deciduous [tropics?

foliage?

50. How do the zones of temperate climes compare with those of the 51. In the temperate region where is the zone of fruit trees?

52. Where is the zone of the apple and grape?

53. What plants grow in the snow regions?