234 A Preliminaiy Revision of the Irish Char. 



maxillary extending to below the middle, posterior part or 

 posterior margin of eye, its length 2i to 3 in the lengtii of 

 head ; lower jaw rounded anteriorly, its length 1| to 1| in 

 the leno'th of head. 9 to 12 brancliioste2:als. 12 to 15 gill- 

 rakers on the lower part o£ anterior arch, the longest I to | 

 the diameter of eye. 142 to 1G6 scales in a longitudinal 

 series. Dorsal 13-15, with 9 to 11 branched rays, its origin 

 a little nearer to the tip of snout than the base of caudal, tiie 

 longest ray | to | the lengtii of head. Anal 12 to 15, with 

 8 to 11 branched rays. Pectoral |- to | the length of head, 

 extending ^ to | of the distance from its base to the base of 

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

 length and about | the length of head. 62 vertebrae. 

 Brownish or purplish above, silvery or orange below ; fins 

 dusky. 



Hub. Lough LuQ-gala in Wicklow. 



Here described from fourteen examples, 140 to 200 mm. in 

 total length. 



Char from Lough Dan in Wicklow and from Killarney 

 and Lough Acoose in Kerry are similar to the char of 

 Lough Luggala. 



A single specimen ( ? ) from Lough Dan measures 145 mm. 

 in total length ; it agrees entirely with the Lough Luggala 

 char. There are 9 branched rays in both dorsal and anal, 

 164 scales in a longitudinal series, and 14 gill-rakers on the 

 lower part of the anterior arch. 



Two specimens ( ? ) from Lough Acoose measure 145 and 

 185 mm. in total length. They have 9 or 10 branched rays 

 in the dorsal and 8 in the anal fin, 148 and 152 scales in a 

 longitudinal series, and 14 or 15 gill-rakers on the lower part 

 of the anterior arch. The caudal peduncle is If to 2 as long- 

 as deep. The larger specimen has the sides well spotted. 



In a single example ((^) from Killarney, 210 mm. in 

 total length, the dorsal has 10 and the anal 9 branched rays. 

 There are 166 scales in a longitudinal series and 15 gill- 

 rakers on the lower part of the anterior arch, the longest 

 nearly^ the diameter of eye. The pectoral tin is | the length 

 of head and extends a little more tlian | of the distance from 

 its base to the origin of the pelvics. 



