G'JS 



INDEX. 



Animalcule, bear, 361 

 Animalcules, bell, 39 



infusorian, 31 



root, 22 



trumpet, 35 

 Animal kingdom, classification of, 



15 

 Animals, development of, 643 



distinguished from plants, 1 



nigh and low, 6 

 Annelides, 229, 238 

 Annulata, characters of, 225 



classification of, 238 

 Anochanus siuensis, 121 

 Anodouta, 245 

 Anolis, 503 

 Anomodontia, 512 

 Anopla, 218 



Anoplodium Schneideri, 145 

 Ant, 381 



Ant-eater, spiny, 573 

 Ant, white, 367 

 Antedon rosaceus, 105 

 Antelope, prong horn, 609 

 Anthracarida, 306 

 Anthrapalfemon, 314 

 Anthropoidea, 618, 619 

 Antilocapra Americana, 609 

 Antipathes arborea, 85 

 Anura, 483, 488 

 Apes, 621 

 Aphis, 371, 653 



lion, 367 



Apis mellifica, 385 

 Aploceros montanus, 610 

 Apodes, 446 

 Appendicularia. 199 

 Apteryx, 538 

 Aptornis, 538 

 Apus sequalis, 302 

 Arachnactis,79 

 Arachnida, characters of, 358, 386 



development of, 362 

 Araneina, 362, 386 

 Arcella, 24 

 Archseopteryx macrura, 537 



Archaster, 114 

 Archegosaurus, 482 

 Architeuthis monachus, 282 



princeps, 282 

 Arciferous Anura, 484 

 Arcturus Baffiui, 310 

 Argonauta, 283 

 Argulus alosae, 299 

 Armadillo, 580 

 Army worm, 379 

 Artemia fertilis, 304 



gracilis, 303 

 Arthromere, 286 

 Arthropoda, characters of, 285 

 Artiodactyla, 600, 605 

 Ascaris dentata, 164 



lumbricoides, 167 



tnystax, 167 



nigrovenosa, 164 

 Ascetta primordialis, 42 

 Ascidia callosa, 202 



gigas, 202 

 Ascidiacea, 197, 215 

 Ascidiaus, 196 

 Asellus, 308, 310 

 Asexual generation, 653 

 Asiphonia, 256 

 Asp, 499 



Aspergillum, 250 

 Aspidogaster conchicola, 152 

 Aspidonectes spiuifer, 510 

 Aspredo, 449 



Asterias vulgaris, 96, 112, 115 

 Asteridea, 111, 116 

 Asteroidea, 109, 116 

 Astraa pallida, 81 

 Astrangia, 80 

 Astrangia Danae, 81 

 Astrogonium. 114 

 Astroides, development of, 82 

 Astropecten, 114 

 Astrophytou Agassizii, 111 

 Atalapha noveboracensis, 591 

 Ateles, 560, 620 

 Atlantosaurus, 515 

 Atoll, 89 





