Chapter IX: The Development of the Alligator 226

BIBLIOGRAPHY 343

INDEX 349

ILLUSTRATIONS

PAGE

ALLIGATOR MISSISSIPPIENSIS. (In color.) _Frontispiece_

FIGURE

A. SKULL OF BELODON 5

1. MAP SHOWING THE PRESENT DISTRIBUTION OF CROCODILIA 6

2. HEADS OF AMERICAN ALLIGATOR AND CROCODILE _Facing_ 7

3. ALLIGATOR JOE IN THE EVERGLADES _Facing_ 10

4. ALLIGATOR HUNTER IN THE OKEFINOKEE _Facing_ 10

5. NEST OF C. POROSUS _Facing_ 21

6. JACKSON SLOUGH _Facing_ 21

7. A TYPICAL ALLIGATOR HOLE _Facing_ 23

8. ALLIGATOR NEST, MADE CHIEFLY OF GRASS _Facing_ 25

9. ALLIGATOR NEST, MADE CHIEFLY OF FLAGS _Facing_ 27

10. TWO SPECIES OF CAIMAN: BROAD-NOSED CAIMAN, SPECTACLED CAIMAN
_Facing_ 35

11. TWO AFRICAN CROCODILES: NILE CROCODILE, WEST AFRICAN CROCODILE
_Facing_ 39

12. SALT WATER CROCODILE _Facing_ 41

13. SKULL OF GAVIAL, VENTRAL VIEW _Facing_ 43

14. SKULL OF GAVIAL, LATERAL VIEW _Facing_ 43

15. ALLIGATOR SKINS _Facing_ 46

16. ENTIRE SKELETON OF CROCODILE 50

17. FIRST FOUR CERVICAL VERTEBRÆ OF CROCODILE 52

18. THORACIC AND SACRAL VERTEBRÆ OF CROCODILE 55

19. DORSAL VIEW OF SKULL OF ALLIGATOR _Facing_ 60

20. VENTRAL VIEW OF SKULL OF ALLIGATOR _Facing_ 63

20A. LONGITUDINAL SECTION OF TOOTH OF CROCODILE _Facing_ 66

21. LATERAL VIEW OF SKULL OF ALLIGATOR 69

22. POSTERIOR VIEW OF SKULL OF ALLIGATOR _Facing_ 70

23. SAGITTAL SECTION OF THE SKULL OF ALLIGATOR 71

24. DORSAL VIEW OF LOWER JAW OF ALLIGATOR _Facing_ 74

25. THE HYOID APPARATUS 77

26. THE STERNUM AND THE ASSOCIATED MEMBRANE BONES 79

27. THE PECTORAL GIRDLE AND ANTERIOR LIMB 82

28. THE PELVIS AND SACRUM 85

29. THE POSTERIOR LIMB 87

I. PLATE I. THE SHOULDER MUSCLES _Following_ 130

II. PLATE II. THE MUSCLES OF THE ANTERIOR REGION _Following_ 130

III. PLATE III. THE MUSCLES OF THE POSTERIOR REGION _Following_ 130

IV. PLATE IV. THE MUSCLES OF THE POSTERIOR REGION _Following_ 130

V. PLATE V. THE MUSCLES OF THE POSTERIOR REGION _Following_ 130

30. THE BRAIN OF THE ALLIGATOR _Facing_ 132

31. THE BRACHIAL PLEXUS OF C. ACUTUS 140

32. THE CRURAL PLEXUS OF A. MISSISSIPPIENSIS 142

33. INTERIOR OF THE MOUTH OF THE ALLIGATOR _Facing_ 151

34. THE DIGESTIVE SYSTEM OF THE ALLIGATOR 152

35. OUTLINE OF THE DIGESTIVE TRACT OF THE ALLIGATOR 158

36. COVERING OF THE ANTERIOR REGION OF THE TONGUE 160

37. COVERING OF THE POSTERIOR REGION OF THE TONGUE 161

38. GLAND FROM THE POSTERIOR REGION OF THE TONGUE 162

39. GLAND FROM THE POSTERIOR REGION OF THE TONGUE 164

40. COVERING OF THE ROOF OF THE MOUTH 166

41. TRANSSECTION OF THE ANTERIOR REGION OF THE ŒSOPHAGUS 169

42. TRANSSECTION OF THE POSTERIOR REGION OF THE ŒSOPHAGUS 170

43. EPITHELIUM OF ANTERIOR REGION OF ŒSOPHAGUS 172

44. EPITHELIUM OF ANTERIOR REGION OF ŒSOPHAGUS 173

45. TRANSSECTION OF WALL OF PYLORIC STOMACH 176

46. GLANDS OF FUNDUS OF STOMACH 177

47. TRANSSECTION OF WALL OF ANTERIOR REGION OF SMALL INTESTINE 181

48. TRANSSECTION OF WALL OF MIDDLE REGION OF SMALL INTESTINE 182

49. TRANSSECTION OF WALL OF POSTERIOR REGION OF SMALL INTESTINE 183

50. MUCOSA OF THE ANTERIOR REGION OF SMALL INTESTINE 184

51. TRANSSECTION OF THE WALL OF THE MIDDLE REGION OF THE SMALL
INTESTINE 185

52. TRANSSECTION OF THE WALL OF THE ANTERIOR REGION OF THE RECTUM 186

53. EPITHELIUM OF THE ANTERIOR REGION OF THE RECTUM 187

54. FEMALE UROGENITAL SYSTEM OF ALLIGATOR 193

55. MALE UROGENITAL SYSTEM OF ALLIGATOR _Facing_ 195

56. MALE ORGAN OF ALLIGATOR _Facing_ 195

57. RESPIRATORY ORGANS OF ALLIGATOR 198

58. HEART OF ALLIGATOR _Facing_ 202

59. VEINS OF THE POSTERIOR REGION OF ALLIGATOR 204

60. VEINS OF THE ANTERIOR REGION OF THE ALLIGATOR 209

61. ARTERIES OF THE POSTERIOR REGION OF THE ALLIGATOR 213

62. ARTERIES OF THE ANTERIOR REGION OF THE ALLIGATOR 215

VI.-XXVIII. PLATES VI TO XXVIII. A SERIES OF FIGURES TO ILLUSTRATE THE
DEVELOPMENT OF THE AMERICAN ALLIGATOR _Following_ 342

THE ALLIGATOR AND ITS ALLIES