HAWKEN S GYMNETRUS. 



221 



ACANTHOPTERYGII. 



RIBAND-SHAPED. 



HAWKEN'S GYMNETRUS. 



THE OARED GYMNETRUS. 



CEIL CONIN. Cornwall. 



Gymnetnis Hawkenii, BLOCH, pt. xii. pi. 423. 



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



,, ,, Cuv. et VALENC. Hist. Nat. des Poiss. t. x. p. 372. 



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



and MS. 

 ,, JENYNS, Brit. Vert. p. 373. 



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

 tending the whole length of the back ; ventrals consisting each of a single ray 

 only, sometimes very long and dilated at the end ; no anal fin ; teeth pointed, 

 small. 



THE species of the genus Gymnetnis of Block 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 otjher different names: 

 viz. Trachypterus of Gouan and Bonelli ; Bogmarus of 



