228 Mr. 0. T. Regan— A Preliminary 



Depth of body ?>i to 4 in the length ; least depth of 

 caudal peduncle | or nearly \ the length of head ; 

 pectoral fin extending § to r V of the distance from 

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

 in a longitudinal series 4. yrayi. 



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. Jimbriatus. 



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

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

 lower part of the anterior arch ; interorbital regioD flat, its width 

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

 series 6. obUisus. 



1. Salvelinus scharffi, sp. n. 



Depth of body 4| in the length, length of hear! 4£. Snout 

 conical, pointed, 1| as long as eye, the diameter of which 

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

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

 lower jaw slightly projecting ; maxillary extending to below 

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

 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 



Fur. 2. 



Salvelinrts 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 branched rays. 

 Pectoral f 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 





