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; Raiidae, 302; 

 Polyplectron, 450 

 Eyes of Clavatella, 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 

 domestica, 223, 224, 225, 226 

 eyra, 223; fontanieri, 225 

 226 ; inconspicua, 223 ; ja 

 guarondi, 224 ; javanensis 

 224; jubata, 224; leo, 226 

 /;//(.r, 226; manicirfata, 223 

 manul, 224; minuta, 223 

 nebulosa, 224; cwca, 224 

 pajeros, 224; pardalis, 226 

 pardus, 223, 226; tetraodon 

 223; tigrina, 22G; tigris, 224, 

 225 

 vertebrae, 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 

 Fistulae, 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 

 Fcenius tarsatorius, extra legs, 491 

 Foot, double, Artiodactyla, 378 ; Frog, 



540; Macacus, 340; Man, 337, 338 

 Foraminifera, duplicity, 566 

 Forfieula 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 albogalerus, 6-raved specimen, 

 445 



subrotiuidus, 4-rayed specimen, 

 441 

 Galictis, teeth, barbara, vittata, 232 



vertebrae, 123 

 GaUinula 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 

 Gasteroxteu*, scales, 276 

 Gavialis, change in number of vertebrae, 



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 : 



typhcvus, extra antennae, 515 

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

 172; of Bdellostoma, 173; of Ammo- 

 coctes, 174 ; of Notidanidae, 174 ; of 

 Balanoglossus and Amphioxus, 174 

 Glaucium 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 rJiamni, 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, vertebrae, 117; spinal nerves, 



139; teeth, 202 

 Goura, brachial plexus, 130 

 Grits, brachial plexus, 130 

 Guinea-hen, double-hallux, 392 

 Guinea-pig, inversion of layers in, 9 

 Gido, teeth, 231 



Haemal 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 



