582 



INDEX OF SUBJECTS. 



292; in Linear Series, 288, 293; 

 simultaneous Variation of, 293; corre- 

 lated with variation of neuration, 293, 

 301 



Arge, 295; Chionobas, 295; Hip- 

 parchia, 294 ; Satyrus, 295 ; 

 Morpho, 296 ; Vanessa, 299 ; 

 Junonia, 299, 300; Pararge, 300; 

 Saturnia, 301, 302; Baiidae, 302; 

 Polyplectron, 450 

 Eyes of Claratella, variation in number, 



425 

 Eyes of Molluscs, 279; of Insects, 280; 

 union of, 458, 461 



Feathers, of "hairy" Moorhen, without 



barbules, 55 

 Felid.e, digits, 313 



teeth, 223—226 



Felis brachyurus, 224; cali- 

 gata, 223 ; caracal, 224 ; 

 catus, 224; chaus, 224; chi- 

 nensis, 224 ; concolor, 223 ; 

 dumestica, 223, 224, 225, 226 ; 

 eyra, 223 ; fontanieri, 225, 

 226 ; inconspicua, 223 ; ja- 

 guarondi, 224 ; javaneiisis, 

 224; jubata, 224; Zeo, 226; 

 lynx, 226; maniculata, 223; 

 vianul, 224 ; minuta, 223 ; 

 nebulosa, 224; omca, 224; 

 pajeros, 224; pardalis, 226; 

 pardus, 223, 226; tetraodon, 

 223 ; tfpriraa, 226; %ra, 224, 

 225 

 vertebra?, 122 

 Feronia muhlfeldii, extra legs, 485 

 Fins, division of, in Gold-fish, 451 

 Fishes, undifferentiated teeth in certain, 

 32; bulldog-headed, 57 



division of caudal fins, 451 ; 

 scales, 274 ; flat-fishes, 466 

 Fistula?, cervical, 174 ; morphology of, 

 176; aural, 177 



in Man, 175; in Pig, 179; in 

 Horse, 180; unknown in Sheep, 

 Goats and Oxen, 180 

 Flat-fishes, reversed varieties, 54, 466 ; 



"double" varieties, 466 

 /•'" nivs tarsatorius, extra legs, 491 

 Foot, double, Artiodactyla, 378 ; Frog, 



540; Macacus, 340; Man, 337, 338 

 Foraminifera, duplicity, 566 

 Forricula auricularia, variation of for- 

 ceps, 40; of antennary joints, 413 

 Fowls, silky variety of, 55 



digital variation in, 390; ovary 

 and oviduct, 465 

 Frog, vertebrae, 124; extra legs, 554; 

 double foot, 540 ; Secondary Sym- 

 metry, 554 

 Fusus antiquus, sinistral, 54 



Galerita africana, extra legs, 495 



Galerites alboqalerus, 6-raved specimen, 

 445 



subrotundus, 4-rayed specimen, 

 441 



Galictis, teeth, barbara, vittata, 232 

 vertebra?, 123 



Gallimila chloropus, hairy variety, 55 ; 

 extra digits, 392 



Gallus, brachial plexus, 130 ; digits, 

 390 ; oviduct, 465 



Garganey Teal, division of digits, 392 



Garrulus, brachial plexus and ribs, 135 



Gasterostetis, scales, 276 



Gai-ialis, change in number of vertebras, 

 123 



Gecinus, brachial plexus, 131 



Generative openings, repetition of, in 

 Astacus, 152; absence of, in Astacus, 

 152, 154; of Earthworms, 159; of 

 Hirudo, 166 



Generative organs of Earthworms, varia- 

 tions in, 159 ; of Leeches, 165 



Genital pores, variation in number in 

 Echini, 446 



Geophilus, variation in number of seg- 

 ments, 94 



Geotrupes mutator, extra legs, 500 : 

 typhous, extra antennas, 515 



Gill-slits, of Ascidians, 171; of Myxine, 

 172; of Bdellostoma, 173; of Ammo- 

 caites, 174; of Notidanida?, 174; of 

 Balanoglossus and Amjihioxus, 174 



Glauvium luteum, colour-variation, 47 



Gmelin's test for bile-salts, 292 



Goat, incisor, 245 ; horns, 286 ; digits, 

 377 ; cervical auricles, 180 



Gold-fish, simultaneous variation in 

 length of tail and fins, 309; division 

 of anal and caudal fins, 451; "Tele- 

 scope," 453 



Gonepteryx rhamni, similarity of fore 



and hind wings, 

 25 

 colour - variation, 

 45 ; nature of 

 the yellow pig- 

 ment, 48 

 extra wing, 283 



Goose, brachial plexus, 133; pygomelian, 

 401 



Gorilla, vertebra 3 , 117; spinal nerves, 

 139 ; teeth, 202 



Goura, brachial plexus, 130 



Grus, brachial plexus, 130 



Guinea-hen, double-hallux, 392 



Guinea-pig, inversion of layers in, 9 



Gulo, teeth, 231 



Hamal spines, division of, in Gold- 

 fishes, 453 

 Hair, absence of, in Mouse, Horse, 



Shrew, 56 ; silky in Mouse, 55 ; 



excessive length in mane and 



tail of a horse, 309 



