1. SALMO. 93 



A non- migratory species inhabiting the large lochs of the north 

 of Scotland, and several lakes of the north of England, "Wales, and 

 Ireland. 



The young specimen from Ireland, figured by Yarrell, is probably 

 a Salmo trutta, at all events not a S. ferox ; he confounded with it 

 also the large species of Lake Wenem, in Sweden. 



a^. Skins, from 18 to 30 uiche"S long. Loch Shin, Sutherland. 

 Presented by Edw. Wilson, Esq. 



e. Fine male specimen, 21 inches long. Sutherlandshire. Presented 

 by W. Peel, Esq. Caught in June. Csec. pyl. 45. 



f-m. From 8 to 19 inches long. Derwentwater, Cumberland. Pvir- 

 chased of Mr. "Wright. Caught in June. Csec. pyl. 43. 



n. Fine male specimen, 20 inches long. Lake of Llanberris. Pre- 

 sented by S. P. W. Ellis, Esq. Caught in the month of Novem- 

 ber. Caec. pyl. 46.. 



o,p. Skins, 25 and 31 inches long. From Mr. YarreU's Collection. 



J. Fine male specimen, 31 inches long. Lough Melvin, Ireland. 

 Presented by the Earl of EnniskiQen. Caught in October. 

 Caec. pyl. 49. 



r. Skeleton : half-grown male. Derwentwater. Purchased of Mr. 

 Wright. 



Description of an adult male specimen from the Lake of Llanberris, 

 taken during spawning-time, at the beginning of November. 



inches. 



Totallength 21 



Greatest depth of the body 4f 



Length of the head 5| 



Girth of the biggest part of the body 11 



Least depth of the tail . . If 



Girth of the narrowest part of the tail 4i 



Distance between end of snout and eye li 



Diameter of the eye f 



Length of the maxiUary bone 2f 



Distance between eye and angle of praeoperculum . . 1^ 



Greatest width of operculum 1^ 



Greatest depth of operculum If 



Distance between occiput and origin of dorsal fin . . 5-|- 

 Distance between end of dorsal and root of caudal fin 6|- 



Length of base of dorsal 2 



Greatest height of dorsal 1-J- 



Length of pectoral 2f 



Distance between root of pectoral and root of ventral 5^ 



Length of ventral fin 2f 



Distance between root of ventral and origin of anal . . 3-| 



Length of anal fin If 



Greatest depth of anal 2^ 



Length of longest caudal ray 2|. 



Length of middle caudal ray 1 1 



