INDEX 



ABERRANT (deviating), 40. 



Acanthopterygii (spiny-firmed), 99. 



Acarina (mite), 57. 



Acephala (headless), 35. 



Acephalous Mollusks, 35, 48. 



Acipenser sturio, 91. 



Acrania (skulless), 85. 



Actinia, 16. 



Actinoida, 15. 



Actinozoa (ray animal), 14. 



Adder, 112. 



Agassiz, 286. 



Ai, 184. 



Aix sponsa, 141. 



Ajaja ajaja, 146. 



Albatross, "Wandering, 135. 



Alca impennis, 133. 



Alces malchis, 223, 227. 



Alcyonaria, 17. 



Alectorides, 142. 



Alewife, 97. 



Alligator, 123; mississippiensis, 124. 



Ambergris, 203. 



Amblystoma tigrinuni, 108. 



Ambulacral (sucking) appendages, 19. 



American Elk, 226. 



American Red-breast, 127. 



Amia calva, 92. 



Ammonites, 46. 



Amoeba (changing) proteus, 1. 



Ampelis cedrorum, 176. 



Amphioxus, 85, 86. 



Amphipoda (double-footed), 54. 



Amphipods, 54. 



Anacanthani, 101. 



Anaconda, 112. 



Anatomy, Comparative, Laws of, 285. 



Angle-worm, 29. 



Anguilla vulgaris, 94, 95. 



Animal Kingdom, 24. 



Annelida (ringed), 28. 



Annelids, 29. 



Anolis principalis, 115. 



Ant-eater, Giant, 184, 185. 



Antelope, 238. 



Anthrenus scrophularise, 73. 



Anthropoidea, 265, 267. 



Antilles, 119. 



Antilo-capra americana, 238. 



Antilope rupicapra, 235 ; kudu, 236 ; 



gnu, 237; oryx, 237. 

 Ant-lion, 67. 



Antrostomus vociferus, 167. 

 Ants, 79, 80, 81. 

 Anura, 107. 

 Apes, 273. 



Aphaniptera (wingless), 64, 75. 

 Aphides, 70, 71, 79. 

 Aphis, 70. 

 Aphis rosse, 70. 

 Apis mellifica, 82. 

 Aplocerus montanus, 238. 

 Apoda (footless), 23. 

 Apodes (footless), 94. 

 Appendix, 279. 

 Apteryges, 132. 

 Apteryx mantelli, 132. 

 Arachnida (spiders), 57. 

 Araneida, 59. 

 Arcella dentata, 3. 

 Archer, 100. 

 Ardea herodias, 145. 

 Argonauta argo, 47. 

 Argonauts, 47. 

 Argus giganteus, 152. 

 Armadillos, 183 ; Nine-banded, 183 ; 



Three-banded, 183. 

 Arthropoda, xiii., 50, 54. 

 Arthropods (jointed-foot), xiii. 

 Artiodactyls, 209, 210. 

 Arvicola riparia, 190. 

 Asiphonia (siphonless), 35. 

 Aspidonectes ferox, 120. 

 Ass, 213. 



Astacus fluviatilis, 55. 

 Asterias forbesii, 20. 

 Asteridea, 19. 



Asteroidea (star-like), 19. 



Astrophyton agassissii, 21. 

 Astur atricapillus, 157. 

 Atalapha, 199 ; noveboracensis, 200 ; 



cinerea, 200. 



