124 



NATUEAL HISTORY OF ARCTIC AMERICA. 



snout to the nape. The first and last rays are usually equal in length, 

 and equal the length of the snout. The longest anal ray equals in length 

 the caudal peduncle. 



The length of the middle caudal rays is contained from 5 to 6 times in 

 the unit of length. 



The distance of the pectoral from the snout is contained 3 J times, and 

 its length 3 J to 4 times in the unit of length. 



The distance of the ventral from the snout equals twice the length of 

 the upper jaw. The length of the ventral in females is contained 5 

 times (in one nearly 6 times) in the unit of length ; in males, about 4 J 

 times. 



Radial formula. B. VI; D. IX-X, 15-10 5 A. 11-13 ; P. 15-16; Y. I, 3. 



Dr. Liitken is of the opinion that " Cottus pacliypus Gtinther (from 

 Port Leopold) is the genuine C. scorpioides^ in which opinion I fully 

 coincide after a comparison of Mr. Kumlien's specimens with Fabricius's 

 description of C. scorpioides and the description of C. pacltypus. 



Cottus scorpioides appears in Professor GilPs List of East Coast Fishes 

 with a doubt as to its reference to the genus Coitus, to which genus, 

 however, it was properly referred by Fabricius. 



Table of Measurements. 

 Species, Cottus scorpioides Fabr. 



