510 Bulletin 47, United States National Museum. 



Associated with S. alipes and probably not distinct from it, and like it 

 not entering the sea is 



785b. SALVELINUS ALPINUS STAGNALIS (Fabricitts). 

 (GREENLAND CHARR.) 



Gill rakers as in alpinus, slender and straightish, 9 + 15 in number, the 

 longest 2 in eye. Body moderately elongate; pectorals shortish, If- in 

 head, not reaching quite halfway to ventral ; dorsal about as high as 

 long, the longest ray If in head (8i in total length with caudal, accord- 

 ing to Fabricus). Dark green, with lighter irregular green streaks, sil- 

 very below ; sides everywhere with pale pink spots, the largest less than 

 eye; upper fins greenish; lower pink. Sea-run specimens nearly plain 

 silvery. Waters of Greenland, Boothia, and neighboring regions, abun- 

 dant ; the specimen examined by us (described in full by Dresel) from 

 Godhavn, Disco Island, (stagnum, a pond or tarn.) 



Stilmo stagnalis, FABRICIUS, Fauna Grcenlandica, 175, 1780, Alpine ponds of Greenland; not 



migratory. 



Salmo rivalis, FABRICIUS, I. c., 176, 1780, Alpine brooks of Greenland; not entering the sea. 

 Salmo hearnei, RICHARDSON, Franklin's First Voyage, 706, 1823, and in Fauna Bor.-Amer., in, 



167, 1836, Bloody Fall, Coppermine River, lat. 67; description imperfect; GUNTHER, 



Cat., vi, 148,1866. 

 Salmo rossit, * RICHARDSON, App. Ross's Voyage, LVI, 1835; and in Fauna Bor.-Amer., in, 163, 



1836, Regent's Inlet, Boothia Felix. 

 Salvelinus rossi, JORDAN & GILBERT, Synopsis, 321, 1883. 



Salvelinus slagnalis, DRESEL, Proc. U. S. Nat. Mus., 1884, 255; good description. 

 Salmo hoodii, RICHARDSON, Fauna Bor.-Amer., in, 173, 1836; GUNTHER, Cat., vi, 151, 1866. 



Represented in the far north by 



785c. SALYELINUS ALPINUS ARCTURUS (GUnther). 



Head 44; depth 5; D. 11; A. 10; B. 11; cceca 31-44. Dull greenish, 

 silvery or reddish below ; lower fins yellowish ; no red spots (on speci- 

 mens seen). Body rather elongate; head small, the snout very obtuse; 

 mouth moderate, the maxillary in the male reaching about to posterior 

 margin of orbit ; teeth small ; a band of hyoid teeth ; preopercle with a 

 distinct lower limb; pectoral little shorter than head, reaching more than 

 halfway to ventral. Caudal moderately forked; scales minute. Length 

 12 inches. Victoria Lake and Floeberg Beach, Arctic America, lat. 82 34', 

 the northernmost Salmonoid known. (Gunther.) (Arcturus, upuroq, bear; 

 oi>pa,tail, name of one of the northern stars.) 

 Salmo arclurus, GUNTHER, Proc. Zobl. Soc. Loud., 1877, 294, pi. xxxn, Victoria Lake, Floeberg 



Beach. (Coll. Capt. Fielden.) 

 Salvelinus arcturus, JORDAN & GILBERT, Synopsis, 319, 1883. 



* The following is the substance of Richardson's account of S. rossi: 



Head 5. B. 12-13 ; D. 13 ; A. 11 ; P. 14 ; V. 10. Dorsal fin low ; pectoral short, adipose fin 

 very small. Rather slender ; snout very obtuse; lower jaw remarkably long, with a knob at tip 

 (male). Thirty teeth on tongue. Conspicuous pores on the face bones posteriorly. Scales very 

 small, embedded. Olive-brown above, the dorsal and caudal similarly colored ; belly red ; scat- 

 tered red spots near the lateral line. (Named for Captain James Clark Ross, an Arctic explorer 

 by whose party the species was obtained.) 



