PACIFIC COAST FISHES. 359 



S.proieus. Hump-backed salmon. (Alaska). 



S. cooperi. Cooper's salmon. (Columbia River.) 



5. dermailnus. Behring's Sea salmon. 



S. consuetus. Yukon River. 



S. cams. Dog salmon ; spotted salmon. (Puget Sound.) 



S. quinnat, (California salmon.) 



S. conjlicentus. 



S. aurora. Red char. (Columbia River.) 



S. argyrtus. 



S. paucidens. Weak-toothed salmon. (Fraser River.) 



S. tsuppitch. White salmon. (Columbia River.) 



S. darkii. Clark's salmon. (Columbia River.) 



S: gairdneri. Gairdner's salmon. (Columbia River.) 



S. richardi. Richards' salmon. (Fraser River.) 



The S. quinnat of the Pacific Slope is a type of the salmon of 

 that coast, and is possessed of similar anatomical characteristics, 

 differing but slightly in form, color, and markings from the S. sal~ 

 ar of the Atlantic Slope, and of the tributaries of the Great St. 

 Lawrence Basin. Description by Richardson, see his " Fauna 

 Boreali Americana." 



"General tint of back, bluish-grey, changing after a few hours' 

 removal from the water, to mountain green ; sides, ash-grey, with 

 silvery lustre ; belly, white ; back above lateral line studded with 

 irregular rhomboidal or star like spots, some of them ocellated, re- 

 sembling an eye ; dorsal fin and gill cover slightly reddish ; tips 

 of the anal and pectorals, blackish-grey ; the dorsal and caudal 

 thickly studded with round and rhomboidal spots ; back of the 

 head sparingly marked with the same ; whole body below the lat- 

 eral line, together with the under fins, destitute of spots. 



" Ray formula : Br, 20, 20 ; D, 13 ; C, 30 ; A, 16 ; V, 10, P, 

 14. Spe. Char. Adult — Body fusiform in profile ; compressed ; 

 head forming a little more than one-fourth of the total length from 

 snout to the end of scales on the caudal. Maxillary bone curved, 

 extending beyond the orbit ; anterior margin of the dorsal equi- 

 distant between the extremity of the snout and the insertion of 

 caudal ; dorsal region olivaceous, flecked with irregular black spots ; 

 dorsal and caudal fins similarly spotted. Region beneath the lat- 

 eral line unicolor, silvery along the middle of the flanks, and yel- 



