228 



Mr. C. T. Regan — A Preliminary/ 



Depth of body 3§ to 4 in tlie leng-th ; least depth of 

 caudal peduncle h or nearly ^ the lensth of head ; 

 pectoral tin extending f to ,V of the distance from 

 its base to the origin of pelvics ; 128 to 162 scales 

 in a longitudinal series 4. grmji. 



B. 18 or 19 gill-rakers on the lower part of the anterior branchial 

 arch ; interorbital region flat, its width 3f (young) in the length 

 of head ; 160 scales in a longitudinal series .... 5. jimhriatus. 



III. Snout obtuse, decurved ; lower jaw rounded anteriorly, shorter 

 than and included within the upper; 13 to 15 gill-rakers on the 

 lower part of the anterior arch ; iuterorbital region fiat, its width 

 3i to 3| in the length of head ; 142 to 166 scales in a longitudinal 

 series 6. ohtusus. 



1. Salvelinus scharffi,, sp. n. 



De})th of body 4| in the length, length of hear! 4^. Snout 

 conical, pointed, li as long as eye, the diameter of which 

 is 5 in the length of head. Jnterorbital region slightly con- 

 vex, its width 3 in the length of head. Dentition moderate ; 

 lower jaw sliglitly projecting ; maxillary extending to below 

 the posterior margin of pupil or a little beyond, its length 2f 

 to 2| in the length of head ; lower jaw pointed anteriorly, its 

 length 1| in the length of head. 10 branchiostegals. 13 or 

 14 gill-rakers on the lower part of anterior arch, the longest 

 less than 5 the diameter of eye. 186 scales in a longitudinal 



Fiff. 2. 



Salvelinus scharffi. 



series. Dorsal 13, with 9 branched rays, its origin a little 

 nearer to the tip of snout than the base of caudal, the longest 

 ray I the length of head. Anal 12, with 8 branclied rays. 

 Pectoral | the length of head, extending ^ of the distance 

 from its base to the base of pelvics. Least depth of caudal 

 peduncle nearly 2 in its length and a little more than ^ the 



