Char oj Great Britain. 



117 



3. Salvelinus maxillaris, sp. n. 



Depth of body 4^ to 5^ in the length, length of head 3| to 

 ^\ {^) 01' ^3 to ^' ( ? ) • Snout subconical {($) or obtuse, 

 with upper profile decurved ( ? ), longer than eye, the 

 diameter of which is ^\ to 6f in the length of head. Inter- 

 orbital region convex, its width 3^ to 3| in the length of 

 head. Dentition moderate; jaws equal anteriorly ( (J ) or 

 the lower a little shorter than the upper ( ? ) ; maxillary 

 extending to below the posterior margin of eye (?) or 

 beyond ( S )> its length 2^ to 2^ ( (J ) or 2^ to 2| ( ? ) in the 

 length of head; lower jaw obtusely pointed anteriorly, its 

 length I to more than | ( (?) or § or less (?) of the length of 

 head. 10 or 11 branchiostegals. 14 or 15 rather slender 

 gill-rakers on the lower part of anterior arch. 168 to 186 

 scales in a longitudinal series. Dorsal vvith 9 to 11 branched 

 rajs, its origin equidistant from the tip of snout and the base 



Fic^. 3. 



Salvelinus maxillaris, | natural size. 



of caudal or a little nearer the former, the longest ray i to | 

 the length of head. Anal with 8 to 10 branched rays. 

 Pectoral § to ^- the length of head, extending | to | ( J" ) or 

 I or a little less (?) of the distance from its base to the base 

 of pelvics. Least depth of caudal peduncle 1^ to 2 in its 

 length and about ^ the length of head. 64 vertebrge. Back 

 and sides, with the dorsal and caudal fins, plumbeous ; belly 

 brilliant orange ; small orange spots on the sides, mostly 

 below the lateral line ; pectoral greenish, with a red margin ; 

 pelvics and anal reddish, with a white anterior edge; caudal 

 with an orange margin. 



Ilah. Loch near Ben Hope, Sutherlandshire. 



Eleven specimens, 210 to 280 mm. in total length, one 



