INDEX. 



787 



Animals and Plants contrasted, 20-23 



Anisopoda, . . . 270 



Annelids, . . 181 



„ development of, 191 



,, and Vertebrates, . 428 



Anodonta, . 347-355 



Anolis, . . 576 



Anomodontia, . . 590 



Anoplodium, . 1 57 



Ant-eaters, . . . 691 

 Antedon, .... 239 



,, structure of, . . 241 



Antennse of cockroach, . 290 



, , of crayfish, . .251 



, , of Myriopods, . 287 



of Peripatus, . 282 



„ of Trilobites, . 335 



Antennules of crayfish, . 251 



AnthomedusEe, 1 50 



Anthozoa, . . 151 



Anthropoid Apes, . 728 



Anthropoidea, . 728 



Anthropomorph, . 73° 



Anthropopithecus, 730 



Anti-enzyme, 744 



Antilocapra, . 7 QI 



Antilope, . 701 



Antipatharia, 1 5 1 



Antiquity of man, . . 735 



Antlers, 7°° 



Ant-lion, 320 



Ants, . . 300 



Anura, ... . 55^ 



Anus of Vertebrates, . . 452 



Apes, . . 73° 



Aphides, . 300 



Aphrodite, . . 204 



Apis, . . -294 



Aplacophora, . . . 37 2 



Aplysia, ... 373 



Apneustic Insects, . 307 



Apoda (Echinoderma), . . 239 



Apoda=Gymnophiona, . 557 



Apodemata (crayfish), . . 257 

 Appendages of Arachnoidea, . 321 



,, ofArenicola, . 196 



,, of cockroach, . 290 



of crayfish, 251, 253 



,, of Crustacea, 250 

 ,, of Eurypterina, . 335 



PAGE 



Appendages of haddock, . 5 01 



,, of Insects, . 301 



, , of Limulus, 332 



,, of Myriopods, . 287 



, , of Peripatus, . 282 



, , of Polychteta, . 203 



,, of scorpion, . 324 



,, of spider, . . 326 



„ ofTrilobita, . 335 



Appendicular skeleton of 



Vertebrates, . . -431 



Appendicularia, . . 409 



Appendix vermiformis, 650 



Apseudes, . . 271 



Apterygota, . . 300 



Apteryx, . . 628 



Aptornis, . . . 629 



Apus, . . 264 



Aquatic Mammals, . 677 



Aqueduct of Sylvius, . 440 



Aqueductus Vestibuli, 447 



Aqueous humour of eye, 449 



Arachnoid fluid, . 442 



, , membrane, 442 



Arachnoidea, . , 322 



Araneidse, 326 



Area, ... 379 



Arcella, . . 98 



Archseoceti, . . 708 



Archseopteryx, . 627 



ArchEeornitnes, 593, 627 



Archenteron, 67, 421 

 Archerina, .... 104 



Archi-Annelida, . 206 



Archi-cerebrum, . .271 



Archi-Chsetopoda, . 211 



Archiccele, ... 170 



Archigetes, . . . .164 

 Archinephric duct = Segmental 



duct 463 



Archipterygium of Fishes, 5 1 2 



Archoplasm, . 44 



Arcifera, . 556 



Arctocyon, . 722 



Arctoidea, . . 720 



Arctomys, . . -714 



Arctopithecini, . . 729 



Arenicola, 194-200 



Argonauta, . . . 385 

 Argulus, .... 364 



