46. SALMONID^ SALVELINUS. 321 



fin very small; caudal deeply forked. Body and caudal fin covered 



with round pale spots of moderate size. B. 12 ; D. 10 ; A. 9 ; Lat. 1. 



185. Boothia. (Giinther.) 



(Salmo hoodii Richardson, Ross, Voy. Nat. Hist. App. Iviii, and in Fauna Bor.-Auier. 

 iii, 173: Salmo hoodii Giintlier, vi, 150.) 



516. S. rossi (Rich.) J. & G. 



Olive-brown above, the dorsal and caudal similarly colored ; belly 



red; scattered red spots near the lateral line. Eather slender ; snout 



very obtuse; lower jaw remarkably long, with a knob at tip (male). 



About 30 teeth on the tongue. Conspicuous pores on the face bones 



posteriorly. Scales very small, imbedded. Head 5. B. 12-13 ; D. 13 ; 



A. 11; P. 14; V. 10. Arctic Ocean, about Boothia Felix. {Richardson.) 



An imperfectly known species. 



(Salmo rossii Richardson, Nat. Hist. App." Ross's Voy. Ivi: Salmo rossii Suckley, 

 Monogr. Salmo, 1*20.) 



517. S. nitidus (Rich.) Gill & Jor. 



Body somewhat elongate; head moderate; snout medium. Maxillary 

 straight, strong, extending beyond the orbit in the male. Teeth mod- 

 erate, 2 or 3 behind head of vomer. Preopercle with the lower limb 

 very distinct. Fins well developed; iiectoral reaching scarcely half 

 way to ventral; caudal fin forked. Head 5. B. 11; D. 11; A. 10; Lat, 

 1. 215. Boothia. {Giinther.) Perhaps a form of ;S^. stagnaUs. 



(Salmo nitidus Richardson, Fauna Bor.-Amer. iii, 171, 183G: Salmo nitidus Guuther, 

 vi, 150.) 



51§. S. »tag:nalis (Fabr.) Gill & Jor. 



Body elongate; head of moderate size. Snout elongate, pointed, 



with the lower jaw projecting beyond the upper in adult examples. 



Teeth small. JNIaxillary elongate, narrow, extending beyond the eye. 



Preopercle very short, with a very short lower limb. Opercle and i)re- 



opercle very conspicuously and. densely striated, the striai radiating 



from the base of each. Fins much developed, the dorsal much higher 



than long ; pectoral very long, reaching more than half way to ventrals, 



which are also very long ; adipose fin very small ; caudal well forked. 



.1). 11; A. 10; Lat. 1. 210; B. 11; coeca, 41. Lakes of Greenland and 



Boothia Felix. (^Giinther.) 



(Salmo siagnalis Fabricius, Fauna Grounlandica, 1780, 175: Salmo alipcs Richardson, 

 Nat. Hist, App. Ross's Voy. Ivii, and Fauna Bor.-Amer. iii, 161) : Salmo aliries Giinther, 

 vi, 149.) 



Bull. Nat. Mus. No. IG 21 



