578 



INDEX OF SUBJECTS. 



Bombus variabilis, antenna developed as 



foot, 147 

 Bombyx, extra wing, quercus, 284, rubi, 



282 

 Box-turtle, digital variation, 396 

 Brachial plexus, birds, 129; Man, 113, 



135 ; Bradypodidas, 141 

 Brachinus crepitans, double (?) leg, 546 

 Brachiopod, double monster, 566 

 Bradypodidse, vertebrae, 118; brachial 



plexus, 141 

 Br achy teles, teeth, 205 

 Brancliias, variations in number, 172 

 Branchiomma, double tail, 564 

 Branch ipus, segmentation of abdomen, 

 97; relation to Artemia, 

 96 — 101 ; species dis- 

 tinguished by sexual 

 characters of male, 100 

 ferox, spinosus, 97, 100; 

 stagnulis, 100 

 Brill, pigmentation of blind side, 468, 



470 

 Brimstone butterfly, variation in colour, 



45 ; nature of pigment, 48 

 Broscus i-ulgaris, double (?) leg, 547 

 Buccinum, teeth, 262 ; double operculum, 



457 

 Bucorvus, brachial plexus, 131, 132 

 Bulldog, teeth, 210, 221 

 Bulldog-headed races of Dogs, 57; of 



Fishes, 57 

 Buteo latissimus, extra digit, 393 ; vul- 

 garis brachial plexus, 131 

 Buzzard, extra digit, 392, 393 



Calathus fuscus, extra eye, 280; extra 



legs, cisteloides, 506, fulvipes, 507, 



grcecus, 505 

 Callidium variabile, double (?) antenna, 



551; violaceum, extra antenna arising 



from head, 551 

 Callimorpha, colour-variation of species 



of this genus, 46 

 Callinectes hastatus, extra spines on 



lateral horn of carapace, 557 

 Callithrix, teeth, 208 

 Callorhinus ur sinus, teeth, 343 

 Caloptenus spretus, colour-variation, 44 

 Cahpteron reticulatum, extra antennas, 



522 

 Calopus cisteloides, extra legs, 512 

 Calosoma investigator, extra antennas, 



523; auropunctatum, double (?) leg, 



548; double (?) antenna, sycophanta, 



triste, 550 

 Cancer pagurus, maxillipede developed 



as chela, 149, 150 ; extra parts of 



limbs, 527; variations in chelas, 530 — 



536 

 Canid.e, digits, 401 ; mammas, 189 



teeth, 209—222; incisors, 210; 

 canines, 210 ; premolars, 211; 

 molars, 217 



Canidje, teeth, 



Canis antarcticus, 215; azarce, 

 217; cancrivorus, 218; corsac, 

 214; dingo, 212, 215; jaran- 

 icus, 209; lagopus, 220; later- 

 alis, 212 ; lupus, 212, 213, 217, 

 220; magellanicus, 218; me- 

 somelas, 212, 217; occidentalis, 

 214,219 ipennsylvanicus, 210; 

 primcevus, 209 ; procyonoides, 

 215,220; vetulus, 217 ; viver- 

 rinus, 212; vulpes, 210, 212, 

 213, 214, 219, 220 ; zerda, 220 

 vertebras, 122 ; cervical rib, 122 

 Canines, supernumerary, Tiger, 225 ; 



Ass, 245; divided in Dog, 211 

 Capreolus, horns, 286; union of horns, 



460; polydactylism, 37 1, 379 

 Caprimulgus, brachial plexus, 131 

 Cakabus, antenna, supposed cases of 

 double, auratus, cancellatus, 

 catenulatus, emargi natus, ex- 

 aratus, intricatus, italicus, 

 sylvestris, 550 

 antennas, paired extra, arvcn- 

 sis, 523; auronitens, 522; 

 monilis, 522; sacheri, 523 

 leg, supposed cases of double, 

 creutzeri, 547; helluo, 547; 

 intricatus, 545; melancholi- 

 cus, 548; nemoralis, 547; 

 septemcarinatus, 547 

 legs, extra in Secondarj- Sym- 

 metry, auratus, 511; auro- 

 nitens, 511 ; cancellatus, 511; 

 catenulatus, 512; grcecus, 

 486; granulatus, iSi; irregu- 

 laris, 497; italicus, 512; 

 marginalia, 484; perforatus, 

 484; scheidleri, 4-3" 

 palpi, supposedcases of double, 

 auratus, purpurascens, splen- 

 dens, 552 

 pronotum, division of, lothar- 

 ingus, 456; scheidleri, 455 

 Carcinomata, multipolar cells in, 431 

 Card nus mamas, external segmentation 

 of abdomen changed by parasites, 95 ; 

 extra parts in limbs, 527, 5ol, 534 

 Carnivora, teeth, 209; vertebras, 122 

 Carp, bulldog-headed, 57 

 Cassowary, feathers partially without 



barbules, 55 

 Castration, parasitic, of crabs, 95 

 Cat, variation in colours of, 48 



digits, 312, 313; polydactylism in- 

 herited, 323 

 spinal nerves, 138 

 teeth, 222 

 vertebras, 122 

 Caterpillars, segmental Bepetition of 



pattern in, 25 

 Catocala nupta, colour-variation in hind 

 wings, 44, 46 



