INDEX OF SUBJECTS 



Absorption of food, 156 ; of water, 



58, 187, 197. 

 Acanthocephali, 41. 

 Acetabulum, 243. 

 Acris, 17; A.gryllus, 17,45. 

 Adipose tissue, 125. 

 Adrenal body, 202, 225. 

 Afferent nerves, 300. 

 Aglossa, 11. 

 Alveoli, 168. 

 Alytes obstetricans, 12. 

 Amblystoma, 7, 8, 46; Amblysto- 



matinae, 7. 

 Amphiuma, Amphiumidae, 5. 

 Ampulla of ear, 335. 

 Anabolism, 134. 

 Angulare, angulo-splenial,233. 

 Annulus tympanicus, 336. 

 Anura, 2, n. 

 Anus, 64, 74, 101. 

 Aorta, 264, 270. 

 Aortic arches, 112. 

 Apoda, 3. 



Aqueduct of Sylvius, 103. 

 Aqueous humor, 326. 

 Arachnoid, 285. 

 Archenteron, 95. 

 Arcifera, 11. 



Area centralis of retina, 331. 

 Artery, 268. For particular arteries, 



see 268-272. 

 Arytenoid cartilage, 165. 

 Ascaris entomelas, 40. 

 Astragalus, 230. 

 Atlas, 229. 

 Auditory organ, 63, 334; nerve, 298, 



33 6 - 



Auricle, 73, 264, 279. 

 Autodax lugubris, 9. 

 Axis cylinder, 131, 288. 



Balantidium, 42. 



Basidiobolus ranarum, 44. 



Batrachoseps, 9. 



Belostoma, 39. 



Benacus, 39. 



Bidder's canal, 205. 



Bile, 152, 155; capillaries, 153; duct, 



107, 152. 

 Bladder, 107, 209. 

 Blastoccel, 93. 

 Blastopore, 93. 

 Blastula, 93. 

 Blood, 121, 258; corpuscles, 258, 



262; vessels, 268. 

 Body cavity, see ccelom. 

 Bone, structure of, 126; cells, 127. 

 Bowman's capsule, 203. 

 Brachial plexus, 289. 

 Brain, 80, 103, 291 ; functions of, 



308; influence on cord, 302. 

 Branchial arches, 118 ; clefts, 109, 118. 

 Breeding habits, 45, 50. 

 Brow spot, 64, 294. 

 Buccal cavity, 69. 

 Bufo lentiginosus, 15, 41, 46, 99. 

 Bufonidas, 11, 13. 

 Bufo quercicus, 16. 

 Bulbus cordis, 264, 277. 

 Bullfrog, 18, 19, 72, 215, 216. 



Calcaneum, 230. 



Canal, central of cord, 103, 286; 

 semicircular, 335, 337. 



363 



