IX SALMONID^. 



the middle ray rather more than half the length of the longest 

 ray ; third ray of the anal fin the longest, equalling the length 

 of the fifth dorsal ray ; the last ray as long as the base of the 

 fin, ventral fin equalling the length of the fifth ray of the 

 anal ; the third ray the longest ; third ray of the pectorals 

 equalling the length of the long caudal ray ; the last ray half 

 the length of the fin. Teeth stout and sharp, curved slightly 

 inwards ; thirty-two in the upper jaw, eighteen on the lower ; 

 twelve on each palatine bone ; thirteen on the vomer ; and 

 eight on the tongue. Scales small and adherent ; twenty- 

 four in an oblique row between the middle dorsal ray and 

 the lateral line ; flesh deep red ; ca?ca eighty. The number 

 of fin rays. 



D. 12: P. 12: V. 9 : A. 10: C. 19. 



The vignette represents the castle and the island in Loch- 

 leven. 



