52 



STURIONID.E. 



than to tlie mouth, are four cirri arranged in an irregular line. 

 ■J^lic summit of the head is rough, with the central plates 

 beautifully radiated, and of a fibrous appearance. The posi- 

 tion of the fins is the same as in other Sturgeons." 



" This fish differs from the Common Sturgeon, Acipenser 

 sturio, in having the tip of the snout much broader than the 

 mouth, in the keel of the dorsal plates being but slightly 

 elevated, and having the cirri placed nearer to the tip of the 

 snout than to the mouth." 



" The Sturgeons are all much allied to each other ; and 

 not being able as yet to find the right synonym for the pre- 

 sent one, I have proposed, in the mean time, the name 

 latirostris, as characteristic of the species."" 



" In the stomach of the one from the Tay was found an 

 entire specimen of the Sea-mouse, Aphrodita aculeata.'''' 



Dr. Parnell has presented the preserved head of this spe- 

 cimen to the Museum of the Zoological Society ; but, like 

 Dr. Parnell, I have been unable to identify it with any de- 

 scribed Sturaeon. It does not aerree with either of the nine 



