184 



SILUR1D.E. 



1. Euclyptosternum coum. 



Russell, Nat. Hist. Alepp. p. 76. pi. 13. fig. 2 ; Gronov. Zoophyl. p. 126. 



no. 387. pi. 8a. fig. 7. 

 Silurus cous, L. Syst. Nat. i. p. 504 ; Bl. Schn. p. 387. 

 Pimelodus cous, Cuv. fy Val. xv. p. 140. 



D. 1/6. A. 11. V.6. 

 Head rather broad, depressed, with the snout elongate, and with 

 the upper jaw projecting beyond the lower. Eye very small, situated 

 behind the middle of the length of the head, directed upwards. The 

 upper surface of the head covered with smooth skin. Nostrils 

 rounded, close together, with a barbel between, which is one-third 

 of the length of the head ; maxillary barbels broad at the base, 



shorter than the head ; a small elliptic patch of teeth on each side of 

 the palate, shorter than the space between the two patches. Dorsal 

 spine stout, not serrated, not quite half as long as the head. Pec- 

 toral spine very strong, with recurved spines along its inner edge, 

 more than half as long as the head. Adipose fin longer than the 

 dorsal. 



River Coic. 



a. Ten inches long. 

 Collection. 



One of the typical specimens from Russell's 



A skeleton in Hyrtl's Collection, named Arias cous, has 16 abdo- 

 minal and 22 caudal vertebrae (Denkschr. Acad. Wiss. Wien, xvi. 

 1859, p. 17). 



