ADDENDA. 367 



3. 0. nerka, (Wall).) G. & J. Dog Salmon. Scales 

 large, in loo (120— 1-iU) rows; B. 13; C. feebly forked; 

 form elongate, heavy forwards. N. W. Coast. {^S. 

 lycaodon^ Pall., S. canis^ cooperl and richardl^ Suckley. 

 S. paucidens^ Rich.) 



4. 0. quinnat, (Rich.) Gthr. Quinnat. Califorxia 



Salmon. Scales large, in 120 — 110 rows; B. 15; C. 



well forked; body deepest mesially, less elongate. W. 



Coast, now largely introduced into Eastern waters. (aS 



argyreus^ Grd., S. loarreni^ Suckley.) 



-** Body oblong, very strongly compressed, back elevated, the 

 dorsal fin posterior; mouth large, the lower jaw rather the 

 longer ; sexual peculiarities moderately developed ; size 

 small. {HypsifaHo^ Gill.) 



5. 0. kennerlii, (Suckl.) Jor. Red Salmon of the 

 Chiloweyuck. Scales large, in 130 — 140 rows. W. 

 U. S. 



2. SALMO, Linnaeus. Salmons. 

 {Fario^ Val., Salar^ Val., TruWi^ Siebold.) 

 * Anadromous salmon with the vomerine teeth litQe developed, 

 those on the shaft of the bone few, deciduous; scales large 

 (in about 180 rows); caudal fin well forked, truncate in very 

 old individuals; no liyoid teeth; lower jaws hooked upwards 

 in breeding males, the upper jaw being then emarginate 

 or perforate. (Salmo.) 



1. S. sa/ar, L. Common Salmon (see text). When 

 landlocked in inland lakes, it becomes var. sebayo. (/S'. 

 gloveri^ Grd., S. omiscomayciis^ Walb.) 



** River salmon, with the vomerine teeth largely developed, those 

 on the shaft of the bone numerous, in one zigzag row, or in 

 two alternating rows, persistent; caudal little forked. 

 {Salar, Val.) 



f Hyoid bone toothless. 

 a. Scales large, in 130—150 transverse rows; caudal fin 

 forked. 



