Irish Fishes of the Genua Coregonus. 4'89 



tending- from a little more than ^ to f of the distance from 

 Its base to the pel vies, which are inserted below or in advance 

 of the middle of dorsal. Caudal peduncle 1§ to If as lon<? 

 as deep, its least depth ^ or a little more than I the length of 

 head. Silvery, back darker; fins blackish. 



Loch Lomond, Scotland. 



Two spirit-specimens, 280 and 300 mm. in total length, 

 recently presented by Mr. W. L. Calderwood, and sixteen 

 skins from Dr. Parnell's collection. 



Of these eighteen examples, four have 9 branched rays iu 

 the anal fin, seven 10, and seven 11. 



Subsp. a. Coregonus stigmaticus, subsp. n. 

 The Schelly. 



Coregonus clvpeoides (part.), Giintb. Cat. Fish. vi. p. 188, fig. (1806) ; 

 Day, Fish. Britain, ii. p. 127 (1884). 



Depth of body 31- to 4^ in the length, length of head 4^ 

 to 4f . Snout as long as or a little longer than eye, the 

 diameter of which is 4^ to 4| in the length of head ; inter- 

 orbital width 3 to 31 in the length of head. Snout vertically 

 truncated, with the lower jtiw included within the upper ; 

 maxillary extending to the vertical from anterior edge of eye, 

 its length about | the length of head. 22 to 28 gill-rakers 

 on the lower part of the anterior arch. 72 to 83 scales in a 

 longitudinal series, 9 or 10 in a transverse series from origin 

 of dorsal fin to lateral line, 7 to 8^ between lateral line and 

 base of pelvic fin, 22 to 24 round the caudal peduncle. 

 Dorsal fin with 9 to 11 branched rays; origin nearer to end 

 of snout than to base of caudal fin ; longest ray f to | the 

 length of head. Anal with 10 to 12 branched rays. Pectoral 

 I to I the length of head, extending from a little more than 

 ^ to more than § of the distance from its base to the base of 

 pelvics, which are inserted below the middle of the dorsal. 

 Caudal peduncle longer than deep, its least depth ^ to § the 

 length of head. Silvery, back darker ; back and sides with 

 more or less distinct small blackish spots ; similar spots some- 

 times present on the head and in transverse series on the 

 dorsal and caudal fins ; fins blackish. 



Hah. Haweswater, Cumberland, and Ullswater, West- 

 moreland. 



Twelve spirit-specimens, 220 to 340 mm. in total length, 

 several of which have been recently presented by the Earl of 

 Lonsdale, and a skin from YarreU's collection. 



Of these thirteen examples, ten have 10 branched rays 

 in the anal fin, two 11, and one 12; seven have 8 scales 



