Index. 



Earthworm, nephridia of, 52. 



Nerve cord of, 52. 



Nerve ring of, 52. 



Ovaries of, 52. 



Pharynx of, 52. 



Typhlosole of, 53. 

 Ectosarc, 163, 165, 166. 

 Egg of cabbage butterfly, 20. 



Of crayfish, 36. 



Of grasshopper, 14. 



Of hen, 120. 



Of honeybee, 25. 



Shell, 121. 

 Elytra of beetle, 23. 

 Embryology, 122. 

 Endopod, 37, 39. 

 Endosarc, 163, 165, 166. 

 Enlargement, cervical, 147. 



Lumbar, 147. 

 Entomostraca, 46. 

 Epidermis of earthworm, 53. 



Offish, 73. 

 Epiglottis of calf, 156. 



Of rabbit, 145. 



Epithelium of earthworm, 53. 

 Esophageal collar, 44. 

 Esophagus of crayfish, 43. 



Of rabbit, 130. 



Of sea urchin, 188. 

 Eustachian tube of frog, 84. 



Of rabbit, 145. 

 Exopod,37, 39. 

 Extensor muscle, 151. 



Of crayfish, 43. 

 Eye, compound, 10. 



Dissection of, 153. 



Muscles offish, 79. 



Muscles of ox, 152. 



Offish, 71. 



Spot of starfish, 180. 



Facets of eyes, 10, 17, 40. 

 Facial nerves, 150. 

 False diaphragm, 74. 



Gill, 73- 

 Family, 19. 

 Feathers, in. 

 Feelers of crayfish, 35. 



Of grasshopper, 10. 

 Feeling in amoeba, 164. 



Feeling in crayfish, 35. 



In paramecium, 165. 



In vorticella, 167. 

 Femur of grasshopper, 12. 



Of pigeon, 120. 



Of rabbit, 162. 

 Fibula, 120, 162. 

 Field study of insects, 7. 

 Filaments of gills, 72. 

 File on cricket's wing, 17. 

 Fins of fish, 70. 



Median, 70. 



Paired, 71. 

 Fish, air bladder of, 74, 76. 



Aorta of, 76. 



Arterial bulb of, 76. 



Auricle of, 76. 



Bile sac of, 78. 



Brain of, 79. 



Cerebellum of, 79. 



Cerebrum of, 79. 



Dissection of, 73. 



Ear bone of, 80. 



External features of, 69. 



Eye muscles of, 79. 



False diaphragm of, 74. 



Feeding, 69. 



Fins of, 70. 



Food of, 67. 



Gills of, 72. 



Kidneys of, 76. 



Liver of, 74. 



Mesentery of, 75. 



Muscles of, 78. 



Neural spine of, 78. 



Olfactory lobes of, 79. 



Optic lobes of, 79. 



Optic nerves of, 79. 



Otolith of, 80. 



Ovary of, 75. 



Oviduct of, 75. 



Pectoral arch of, 77. 



Pelvis of, 77. 



Pharyngeal teeth of, 77. 



Scales of, 72. 



Senses of, 69. 



Skin of, 78. 



Spermary.of, 75. 



Spinal bulb of, 79. 



Spinal cord of, 79. 



