INDEX 



Abramis brama, 186 



Acanthias vulgaris, 179 



Acantliopterygii, 197 



Acquired characters, 13 



Adaptations, 3, 11 



Agassiz, Alexander, on Autolytus 



cornutus, 303 

 Aethurus polytmus, 133 

 Alburnus lucidus, 186 

 Alces palmata, 89 

 Alcippe, 285 

 Allurements, 43 

 Amauris echeria, 237, 239 

 Amherst pheasant, 113 

 Amphibia, 168 ; evolution of, 19 

 Amphipoda, 270 

 Amphiura squamata, 309 

 Anableps, 16, 184 

 Anas boschas, A. acuta, 157 

 Anceus, 273 

 Andes, pigs of, 52 

 Angular crab, 267 

 Annelida, 263. 

 Anolis cristatellus, 166 

 Anseres, 157 



Anson, on elephant seal, 65 

 Antelopes, 98 

 Anthropoid apes, 45 

 Anthuridse, 212 

 Antilocapra americana, 98 

 Antilope saiga, 98 

 Antlers, 39, 73, 74, 75, 76 ; evolution 



of, 83 

 Anura, 175 

 Aphia pellucida, 215 

 Argonauta, 289, 291 

 Argus pheasant, 113 

 Arnoglossus, 192 ; A. laterna, 192 ; 



A. lophotes, 194 

 Arthropoda, 5 

 Artificial selection, 121 

 Aryan races, 47 

 Astacidae, 268 

 Athelges, 280 

 Atlanta, 288 



Audubon, on courtship of night-jars, 



137 

 Aurelia aurita, 309 

 Australians, 50 

 Autolytinse, 301 

 Autolytus, 303 

 Azara, on horses with horns, 105 



Babirusa, 106 



Baer, Von, on development, 17 



Baker, Sir Samuel, on the Indian 



Sambar, 78 

 Baldness in man, 53 

 Balfour, F. M., on ancestral stages in 



development, 18 

 Barrett, on protective coloration of 



Satyrus semele, 246 

 Bass Straits, elephant seals of, 66 

 Bate and Westwood, on organs of 



Gnathia, 275, 277 

 Bates, on habits of South American 



butterflies, 242, 243 ; on mimicry, 



231 ; on caruncle of Gephalopterus, 



146 

 Beard, in man and apes, 47 

 Beddard, F. E., on anatomy of Bird 



of Paradise, 27 ; on pigments of 



Eclectus, 156 

 Bees, 260 

 Belt, on display of humming-birds, 



132, 134 ; on dimorphism of Lepta- 



lides, 228 

 Birchell, on habits of Coris julis, Ilk 

 Birds of Paradise, 27, 108, 137 

 Birds of prey, 151 

 Black-cock, 115 

 Bladder-nosed seal, 65, 70 

 Bombyces, 250, 252 

 Bombycidse, 246 

 Bonellia, 307 

 Bopyridae, 278 

 Bopyrus squillarum, 278 

 Boulenger, on courtship of Urodela, 173 

 Bovida?, 79 

 Brachyura, 265 



