62 SALMONID^, 



ee, ff. Many specimens. Rivers Owenbrean and Sacrapagh, Ferma- 

 nagh. Presented by the Eaii of Enniskillen. 



gg. Many specimens. Mountain-lake near Gal way Bay. Presented 

 by F. Godman- Esq. 



Specimens illv^trating the growth of this species. 



Ml. A series of specimens from the Tweed and Esk. from 1 to 3 inches 

 long. 



Deformed specimens. 



ii. Upper part of the snout shortened. Old Collection. 



Jck. Upper part of the snout shortened. Loch Uoy, Invernesshire. 



Presented by H. C. PenneU, Esq. 

 II. Vertebral column forming an undulating curve. Old Collection. 



Description of a Male specimen from the Dee {Aberdeen), caught in 

 the month of September {testicles fully developed). 



inches. 



Total length lOf 



Greatest depth of the body If 



Length of the head 2f 



Girth of the biggest part of the body 4J 



Least depth of the tail ^ 



Girth of narrowest part of taU 2\ 



Distance between end of snout and eye f 



"Diameter of the eye ^^ 



Length of the maxillary bone 1 



Distance between eye and angle of prgeoperculum . . | 



Greatest width of operculum g 



Gi oatest depth of operculum | 



Distance between occiput and origin of dorsal fin . . 3 



Distance between end of dorsa^ and root of caudal . . 3f 



Length of base of dorsal 1 



Greatest height of dorsal If 



Length of pectoral . . .' If 



Distp.nce between root of pectoral and root of ventral 2f 



Length of ventral fin lA- 



Distance between root of ventral and origin of anal . 1| 



Length of anal fin | 



Greatest depth of anal li 



Length of longest caudal ray 1| 



Length of shortest caudal ray • . . | 



The greatest depth of the body is below the origin of the dorsal 

 fin, and is one-fifth of the total length (caudal not included) ; the 

 length of the head is contained three times and three-quarters in 

 that of the body. The snout is moderately produced, pointed, and 

 half the length of the postorbital portion of the head. 



The length of the maxillary bone is ecjual to that of the snout 



