INDEX OF SCBJKCTS. 



292; in Linear Series, 288, 293; 

 simultaneous Variation of, 293; corre- 

 lated with variation of neuration. 2H3. 

 301 



Arge, 295; Chionoli'i*. 2'.r>; Hip- 



jiiin-liiii, '2'.n : Siiti/rn.-. 2'.l.~i ; 



Mni],li<i, 296 ; r/',i, I".) 1 . 1 : 



Junonia, 2'.i'.i. 300; Pararge, 300; 

 l, 302; Itaii.la-. 302 ; 

 i, 150 

 Eyes of (.'luruti'lln, variation in number. 



425 



Eyes of Molluscs, 279; of Insects, 280; 

 union of, 458, 461 



Feathers, of "hairy" Moorhen, without 



liai luiles, 55 

 !']:]. n>.i:, dibits, 313 



teeth, 223226 



l-'i-lia linirhyiiriiii, 224; <///- 

 i/ntii, 223 ; caracal, 224 ; 

 catus, 224; chaus, 224; c/ii- 

 nt'iiai.-i, 221; i-niicolor, 223; 

 dome*!!,;,, 223. 224, 225. 22f, ; 

 eyra, 223; fontnnii'ri, 22",. 

 226 ; hi<-iin*i>i<-ini, 223 ; J- 

 iiiiiii'niiili, 224 ; jiiriui<->i*i*. 

 224; jubata, 224; /eo, 220 ; 

 f//.r, 22(1; municuhittt, 223; 

 iiniiniJ, 22-1; miinitu. 223; 

 iii'liiiloxn, 224; owed, 224; 

 /ni j,' rii.--, 224; jHirdnlis, 226; 

 2>ttrdti*, 22)!, 22(1; trt minimi, 

 223 ; tiiiriiui, 226; fiV/w, 224, 

 225 



vertebra?, 122 



l-'ri-oiiiii in/'/l/lj'i'lilii, extra legs, 4*.~i 

 Fins, division of, in Gold-rish, 451 

 Fishes, undifferentiated teeth in certain. 

 32; bulldog-headed, 57 



division of caudal fins, 451 ; 

 scales, 274 ; llat-rishes. -166 

 FistultE, cervical, 174 ; morphology of. 

 176; aural, 177 



in Man, 175; in Tig, 179; in 

 Horse, 180; unknown in Sheep, 

 Goats and Oxen, 180 

 Flat-lishes, reversed varieties, 54, 466; 



"double" varieties, 4U6 

 l-'n nin.t ttirxtitariiix, extra legs, 491 

 Foot, double, Artiodactvla, 378 ; Frog, 



540; J/mv/ru.s 340; Man. 337, 338 

 Foraininifera, duplicity, 5i'ii; 

 i'< i r in- u In tntrii'iiliiriii . variation of for- 



ceps, 40; of antennary joints, 413 

 Fowls, silky variety of, 55 



digital variation in, 390; ovary 



and oviduct, H',.". 



Frog, vertebrae, 124; extra legs, 5," 1 ; 

 double foot, 540 ; Secondary Sym- 

 metry, 554 



tuitiifuux, sinistral, 54 



nfrifiina, extra legs, 495 



a.:!, rit,.< tillim/nli-ru*. 6-rayed specimen, 

 41.-, 



8iiln'"titii,lii.-. -1 -rayed specimen, 

 441 



H'lli'-li*, teeth, hurlmni, rlttntn. 232 

 vertebra?, 123 



Galliiiul'i fliliirujiiix, hairy variety. 5." ; 

 xtia dibits, :-f'.i2 



Gallu.f, brachial plexus, 130; digit-. 

 390; oviduct, 465 



< faivam-y Teal, division of digits. 392 



Garrulii*, brachial plt-xns and ril,s. 13.". 



<;<i.<ti'r<>.<ti'ii!<. scales, 276 



Gariuli*. change in number of vertebra . 

 123 



Gecinus, brachial plexus, 131 



Generative fpi-nin^r^. lejH-titioii of, in 

 A.-ititi-ii*. 152; absence of. in A*tiii-n.-. 

 1">2, 154; of Earthworms, 159; of 

 Him. I.,, 166 



Generative organs of Earthworms, varia- 

 tions in, 159: of Leeches, 165 



Genital pores, variation in number in 

 Echini. 416 



Geopliilna. variation in number of seg- 

 ments, 94 



Geotnijx * iiint'itor, extra legs, 500; 

 1i/l>li<,'iis, extra antennas, 515 



Gill-slits, of Ascidians, 171; of Mij.rim, 

 172; of Bdellostoma, 173; of Ammo- 

 castes, 174; of Notidauidfv, 174; of 

 y;,i/i/;/i//o.vs/<x and Aiiijiliiii.ri/*. 174 



(il<i nr'nun liitniin, colour-variation. 47 



(imelin's test for bile-salts. 2H2 



Goat, incisor, 245; horns. 2si> ; digit;-, 

 377 ; cervical auricles, 180 



Gold-fish, simultaneous variation in 

 length of tail and fins, 309: division 

 of anal and caudal fins, 451; "Tele- 

 scope," 4.33 



Gonepteryx rtnmini, 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?, 117; spinal ner\e>. 

 139; teeth, 202 



Goitra, brachial plexus, 130 



Gni.*, brachial plexus, 130 



Guinea-hen, double- hallux, 392 



Guinea-pig, inversion of layers in, 9 



Gulu, teeth, 231 



Ho?mal spines, division of, in Gold- 

 fishes, 453 

 Hair, absence of, in Mouse. HOIM. 



Shrew, 56 ; silky in Mouse, 55 ; 



excessive length in mane and 



tail of a horse, 309 



