A 



80 TELKOSTEI : ISOSPONDYLI. — XIII. 



red patches in mulfs; youn;j; (parr; smolt) with dark cross-bars 

 and red sputs. Head 4 , deptli 4. ii. II. 1). 11. A. 9. bcaies 

 23-r20-'21 ; vert. tJO ; jnl. ca-ca 6u; usual wei<^lit la pounds, but 

 often much larj^er. N. Atlantic, S. to N. Y. and France, ascend- 

 ing all suitable rivers; often (var. sebago (Jirard), land-locked in 

 lakes. One of the best known and most vahuMl of food-lish. N'ari- 

 able. (All old naiiic, from suliu, to leap.) (^-"O 



83. SALVELINUS (Nilsson) Ricliardson. Chauks. (An old 

 name, allied to the German, SdlOliny.) 



(The species of this group are in general smaller, finer, hand- 

 somer, and more wary than the iSalniou, and they inhabit in general 

 colder waters. Besides the native species, attempts have been 

 made to introduce tlie following : Sulceliuus alpimu< L., the Euro- 

 pean charr, Stilbling, or Ombre Chevalier, a species very close to 

 S. oquassa and S. malma (Walbaum), the "Dolly Varden 'i'rout," 

 or " Bull Trout" of the Rocky Mountain slope; very close to 6'. 

 fontinulis, the back as well as the sides, with red spots). 



a. Ilyoid bone (base of tongue) with a band of strong teeth (besides the 

 usual tfeth around edge of tongue); head of the vomer with a raisi-d 

 crest, wliich projects backward, free from and paralK-l with the shaft; 

 ihis crest with teetli; lake trout, very large, spotted with gray. {Crisli- 

 vomer Gill & Jordan.) /ix/«>^ 



191. n II iin liiiiiiiili (Walbaum). Great Lakk Trout. 

 !Mackina\v Titor t. Sai.mo.v Trout (of the Lakes, not of 

 England, nor of Oregon, nor of tlie Gulf of St. Lawrence). 

 LoNGK. ToGUE. Head very long; mouth very large, the ma.xil- 

 lary reaching nuich beyond eye, 2 in head ; teeth very strong ; 

 C. well forked. Dark gray, varying in shade; everywhere with 

 round pale spots; head above, and D. and C. reticulate with 

 darker; eye large. Head 4^; depth 4. B. 12. D. 11. A. 11. 

 Lat. 1. 185 to 205. L. 3 feet or more. Great Lake region, and 

 lakes from New Brunswick to Montana, British Columbia and 

 Alaska, abundant, variable. A food-fish of high value. In Lake 

 Superior is found var. siskawitz Agas.siz, the Siscowet, similar, but 

 less elongate and inordinately fat. (Indian name.) 



aa. Hyoid bone with a very few feeble teeth or with none; vomer with teeth 

 on its head only and without posterior crest; red-spotted species. {SaU 

 reliniis.) 

 b. Ilyoid teeth none; head large, 4 to 4 J in length; red spots of body on 



sides only. 



192. 8. fontinalis (Mitchill). I?iu)ok TnouT.i Spkcki.kd 

 Trout. Head large, the snout blunlish; mouth large, the ma.\.il- 



• "Tills Ib the Iftst fteiif ration of trout flsliors. The ohildren will not be able to find 

 MDj. Already there are wril tnulilen jmiIIih by every »treniii in .Mnnie, in New York, 

 kud In Michigan. I kuuw of but uuu river m North Auierica by the side of which yoa 



