INDEX OF SUBJECTS. 



579 



Caudal fin, division of, in Gold-fishes. 



451 

 Cebida, teeth, 205 

 ( 'elms, teeth, 205 

 Cell-division, variations in, 430 

 Centrosoraes, variations in number of, 



430 

 Cephalotia, 458 

 Cerambyx, extra legs, 491; double (?) 



antenna, cerdo, scopolii, 551 ; extra 



antenna arising from head, cerdo, 551 

 Cercocebus, teeth, 204 

 Cercopithecus, teeth, 204; abnormality 



in, 204 

 Ceroglossus valdivue, extra legs, 500 

 Cervical vertebra?, assumption of dorsal 



characters, Man, 107 

 Cervus a.ris, molar, 246 



rufus, premolar, 24G 

 dama, extra digits, 379 

 Cestoda, variation in segmentation of, 



168; bifurcation and other conditions 



allied to duplicity, 565 

 Cestracion, teeth, 261 

 Cetonia, extra legs, opaca, 488, morio, 



512 

 Chaleides, digital variation in the genus, 



395 

 Chamois, extra horns, 286 

 Charadrius, brachial plexus, 130, 132 

 Chela, extra parts in Secondary Sym- 

 metry, 528; amorphous cases, 

 538; duplicity of, 540 

 developed from third maxillipede 

 in Cancer, 149 

 Chelonia, axial duplicity, 563 

 Cheraps preissii, apparent presence of 



female openings in males, 155 

 Cliiasognathus grantii, double (?) anten- 

 na, 551 

 Chilognatha and Chilopoda, variation in 



segmentation of, 93 

 Chirocephalus, supernumerary horn to 



generative sac, 457 

 Cbimpanzee, vertebra, 116 



spinal nerves, 139 

 teeth, 202 

 Chionobas, eye-sj>ots, 295 

 Cltironomus, double head, 565 

 Chiropotes, 208 



Chitons, repetition of eyes in, 26; vari- 

 ation in colours of scutes, 307 

 Chhcnius nigricornis, extra legs, 512; 



double (?) leg, holosericus, 546, diffi- 



)iis, 548, restitas, 548 

 Chcerocampa, colours of larva, 304 

 Cholapus, vertebrae, 118, 120; brachial 



plexas, 141 

 Choloruis, hallux absent, 397 

 Chordata, segmentation of, 86 

 Chroicocephalus, brachial plexus, 130 

 Chrysemys, axial duplicity, 563 

 Chrysomela, division of pronotum, fucata, 

 455 



Chrysomela, extra legs, baaksii, 494; 

 graminis, 498 

 double (?) leg, hcemoptera, 



547 

 double (?) antenna, cacalia , 

 550 

 Chub, bulldog-headed, 58 

 Cicindela sylvatica, double (?) antenna, 



550 

 Cidarites, 4-rayed specimen, 441 

 Cimbex axillaris, antenna developed as 



foot, 146 

 Cimoliasaurus, imperfect division of ver- 

 tebrae, 103 

 Ciona intestinalis, variation in number 



of stigmata, 172 

 Cistudo, digital variation in, 396 

 Cladocera of salt lakes, 101 

 Clausilia bidens, extra eye, 280 

 Clavatella, variation in number of seg- 

 ments, 425 ; in number of eyes in each 

 segment, 425 

 Clupea pilchardus, scales, 274 

 Clythra quadripunctata, extra legs, 508 

 Clytus liciatus, extra legs, 508; extra 

 antennas, arcuatus, 522, tricolor, 522 ; 

 double (?) antenna, arcuatus, 551 

 Coccinella decempunctata, bipunctata 

 and septempunctata, colour-variation, 

 49, 572 

 Cochin fowls, "silky" variety, 55 

 Cockroach, variation in number of tarsal 



joints, 63, 415 

 Ccelenterata, imperfect division, 566 

 Colias, colour-variation, 44 ; interme- 

 diates between edusa and helice, 44; 

 varieties of hyale, 45 

 Colobus, teeth, 204 

 Colour and Colour-patterns, variations 



in, 42, 288, 572 

 Colour-variation, discontinuity of, per- 

 haps chemical, 72 ; simultaneous, in 

 segments, &c, 303 

 Coluber, double monster, 561 

 Columba, brachial plexus, 131, 134 

 Colymbetes sturmii, extra legs, 512; ad- 

 spersus, double (?) leg, 548; coriaccits. 

 double (?) antenna, 550 

 Colymbus, brachial j^lexus, 130 

 Conepatus chilensis and mapurito, teeth, 



232 

 Continuity, use of term as applied to 

 Variation, 15; of differences in En- 

 vironment, 5 

 Copepoda, of salt lakes, 101 

 Cordylopliora lacustris, polystomatous 



specimens, 566 

 Correlation, between variations of nerves 

 and vertebra?, 145 ; between Meristic 

 and Substantive Variation, 126 

 Corcus, brachial plexus, 131 

 Corymbites cupreus, colour-variation, 43 

 Counterparts, simultaneous variation of, 

 560 



37—2 



