GENERAL INDEX. 



439 



formula of, 297; habitat of, ib.; description 

 of, ib., 298. 



Salmo rutilus, home of, 327 ; colour of, ib. ; 

 specific characters of, ib. 



- salar, 267, 278 ; fin formula, 267 ; de- 

 scription of, 267269 ; illustration of (Fig. 

 145), 267 ; head of (Fig. 146), 268 ; colour 

 of, 269 ; Parr, Smolt, aud Grilse, stages of, 

 ib. ; food of, ib. ; cannibal propensities of, ib. ; 

 size of, 270 ; Dockland on age of, ib. ; weight 

 ot, ib. ; close season, ib. ; length of, ib. ; 

 distribution of, ib. et seq. ; salmon attrac- 

 tors, 271; habits of, ib.; spawning opera- 

 tions of, ib. et seq. ; Pennant's account of 

 spawning of, in Tweed, 273 ; other accounts 

 of process, ib. ; number of eggs of, ib. et seq. ; 

 hatching of eggs of, 274 ; habits of young, 

 ib. ; instinct'of in finding native river, ib. ; 

 leaping powers of, 275; value of salmon 

 fisheries, ib. et seq. ; extermination of, in cer- 

 tain rivers, 276 ; artificial breeding of, ib. ; 

 hybrids of, 277 ; disease of, ib. et seq. 



salvelinus, fin formula, 318 ; home of, ib. ; 



illustration of (Fig. 161), y'i. ; description of , 

 ib., 319; colour of, 319, 320; size of, 320; 

 sexual variations, ib. ; food of, ib. ; flesh of, 

 321 ; spawning of, ib. ; how captured, ib. 



schiffermulleri, 305. 



spectabilis, specific characters of, 278 : fin 

 formula, 300; illustration of (Fig. 153), ib.; 

 description of, 301 ; colour of, ib. ; size of, ib. 



stomachicus, characters of, 278; fin for- 

 mula, 28 ; distribution of, ib. ; origin of 

 specific name, ib. ; colour of, ib. ; habitat of, 

 281; Day on, ib. 



- trutta, specific characters of, 278 ; fin 

 formida, 310; distribution of, ib., 312; 

 habits of, ib. ; abundance of in Tweed, ib. ; 

 food of, ib. ; size of, 311 ; description of, 

 ib., 312 ; various fish identified with, ib. 



umbla, fin formula, 321 ; distribution of, 

 ib. ; description of, 321, 322 ; illustration of, 

 (Fig. 162), 322; colour of, ib., 323 ; weight 

 of, 323; flesh of, ib. 



- venernensis, specific characters of, 278 ; 

 fin formula of, 284 ; distribution of, ib. ; 

 Lloyd on, ib. ; colour of, ib. 



willughbii, fin formida, 326 ; distribution 



of, ib., 327 ; description of, 327. 

 Salmonida?, 21, 265 359 ; characters of family, 



265 ; genera of, ib. 

 Salvelini, 317332; characters of sub-genus, 



317 ; distribution of, ib. ; critical remarks 



concerning species of, ib., 318. 



Silurida?, 19, 90 93 ; characters of family, 

 90. 



Silurus glanis, 91 93 ; fin formula, 91 ; charac- 

 ters, 91, 92 ; illustration of (Fig. 31), 91 ; 

 size and weight of, 92 ; habitat of, 92, 93 ; 

 utility of barbels of, ib. ; nature of food, ib. ; 

 superstitions relating to, ib. ; spawning of, 

 ib. ; longevity of, ib. ; flesh of, ib. ; difficulty 

 of capture of, ib. ; distribution of, ib. ; 

 varieties of, ib. 



Solea vulgaris, 88, 89 ; fin formula, 88 ; habits 

 of, ib. ; food of, ib. ; description of body of, 

 89 ; distribution of, ib. 



Squalius, 240. 



Thymallus, 352 359; distribution of genus, 

 352 ; distinctive characters of, ib. 



asliani, 357. 



microlepis, fin formula, 358 ; description 

 of, ib. ; colour of, ib. ; home of, 359. 



vulgaris, 353 359 ; fin formula, 353 ; 



local names of, ib. ; origin of generic name 

 of, ib. ; habits of, ib. ; illustration of (Fig. 

 167), ib. ; food of, 354 ; habitat of, ib. ; 

 spawning of, ib. ; flesh of, ib. ; method of 

 capture of, ib., 355 ; absence of from Ireland, 

 355 ; distribution of, ib. ; description of, 355 

 357 ; colour of, 357 ; varieties of, 352, 

 353. 



Tinea, 188 193 ; characters of gpnus, 188. 

 vulgaris, 189 193; description of, 189 

 191 ; fin formula, 189 ; illustration of (Fig. 

 102), ib. ; smallncss of scales of, 190; pharyn- 

 geal teeth of (Fig. 103), ib. ; slippery skin 

 of, cause of, ib. ; influence of habitat upon 

 colour, 191 ; size of, ib. ; tenacity of life in, 

 ib. ; Canestrini on males of, ib. ; spawning 

 of, 191, 192; peculiar habits of , 192; hyber- 

 nation of, ib. ; food of, ib. ; flesh of, ib. ; 

 methods of serving for table, Badham on, 

 ib. ; on its medicinal uses, 193 ; distribution 

 of, ib. 



Umbra, characters of genus, 366. 



- krameri, 366-369; fin formula, 366; 

 illustration of (Fig. 169), 366 ; head of (Fig. 

 170), V 367; scale of (Fig. 171), ib. ; distribu- 

 tion of, 366, 369 ; description of, 367, 368 ; 

 internal anatomy of, 368 ; habits of, ib. ; 

 movements of fin when swimming, ib. ; super- 

 stition concerning, 369. 



Umbridaj, 22, 366369. 



