188 RIBAND-SHAPED. 



ACANTHOPTERYGIL RIBAND-SHAPED. 



HAWKEN'S GYMNETRUS. 

 CEIL CONIN. Cornwall. 



Gymnetrus Hawkenii, BLOCK, pt. xii. pi. 423. 



,, ,, CUVIER, Regne An. t. ii. p. 220. 



,, ,, Ceil Conin, COUCH, Trans. Linn. vol. xiv. p. 77, 



and MS. 



Generic Characters. Body elongated, compressed ; a single dorsal fin, ex- 

 tending the whole length of the back ; no anal fin ; jaws capable of consider- 

 able extension j teeth pointed. 



THE species of the genus Gymnetrus of Bloch have very 

 rarely been obtained entire ; more or less mutilation has 

 hitherto been found to have happened to the few specimens 

 that have occurred ; and authors have consequently taken 

 very different views of many of their characters. 



Of this genus, instituted by Bloch for the reception of 

 a fish sent to him from India with a drawing by Hawken, 

 the species have been ranked under four other different 

 names : viz. Trachypterus of Gouan and Bonelli ; Bogmarus 

 of Schneider ; Epidesmus of Ranzani ; and Argyctius of 

 Rafinesque. 



Cuvier adopts the name proposed by Bloch. 



Of the genus Gymnctrus, three species probably belong 



