Index. 



197 



Gullet of earthworm, 52. 

 Of frog, 84. 

 Of mammal, 133. 

 Of rabbit, 130. 

 Of snake, 98. 

 Of vorticella, 167. 



Hairs of rabbit, 127. 

 Head of bird, 109. 



Of rabbit, 143. 

 Heart of clam, 59. 



Of crayfish, 42. 



Of earthworm, 52. 



Of fish, 74. 



Of frog, 85. 



Of grasshopper, 14. 



Of pigeon, 118. 



Of rabbit, 131. 



Of snake, 98. 



Of turtle, 101. 



Structure of, 137. 

 Heel of bird, 109. 



Cord, 90. 

 Hemal arch of vertebra, 78. 



Spine, 78. 

 Hemiptera, 18. 

 Hemispheres of brain, of fish, 79. 



Of frog, 88. 



Of mammal, 148. 



Of pigeon, 119. 

 Hepatic veins, of fish, 74. 



Of rabbit, 141. 

 Hilum of kidney, 142. 

 Hinge ligament, 56, 62. 



Teeth, 62. 

 Hip bone, 162. 

 Hive of bees, 25. 

 Honey, 24, 25. 



Bee, development of, 25. 



Comb, 25, 27. 

 House fly, 21. 

 Humerus of pigeon, 120. 



Of rabbit, r6i. 

 Humor, aqueous, 154. 



Vitreous, 155. 

 Hydra, 171. 

 Hymenoptera, 25. 

 Hyoid bone, 157. 

 Hypodermis of earthworm, 53. 

 Hypoglossal nerves, 150. 



Ichneumon fly, 21. 

 Incisors of rabbit, 159. 

 Innominate bone, 162. 

 Insect net, 2. 



Pins, 5. 



Insecta, 10, 29. 

 Insects, collecting, i. 



Field study of, 7. 



Relaxing, 7. 



Review of, 28. 



Spreading, 6. 

 Insertion of muscle, 90. 

 Interambulacral plates, 180. 

 Intestine of crayfish, 43. 



Of earthworm, 51, 52. 



Of fish, 75. 



Of grasshopper, 14. 



Of rabbit, 130. 



Of sea urchin, 188. 



Of snake, 99. 

 Iris, 154. 

 Isthmus of fish, 72. 



Jaw feet of crayfish, 39. 

 Joints, ball-and-socket, 161. 



Kidneys, dissection of, 142. 



Of clam, 60. 



Of crayfish, 44. 



Of earthworm, 52. 



Of fish, 76. 



Of frog, 87. 



Of pigeon, 118. 



Of rabbit, 131. 



Of snake, 99. 



Structure of, 142. 

 Killing bottle, i. 

 Kneepan, 162. 



Labeling insects, 6. 

 Labium of grasshopper, 10. 

 Labrum of grasshopper, 10. 

 Lantern, collecting insects by, 4. 



Of sea urchin, 188. 

 Larva of honey bee, 26. 

 Larynx, 133. 

 Lateral line, 73. 

 Left-hand shell, 65. 

 Leg of bird, 109. 



Of grasshopper, 12. 



