376 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



1115. Raja ro strata, Casteln. 

 Proc. Zool. Soc, Victoria, Vol. II., p. 57. 



The snout long ; body entirely covered with asperities, which are 

 more considerable on the snout, where they form small triangular 

 points ; on the lower surface of this part of the edges, up to 

 the height of the eyes these points are considerable and crowded. 

 Anterior profile deeply concave ; the angle of the pectorals is 

 rather pointed ; there are no spines round the eyes, but a series 

 of three or four is seen on each side of the back and ends before 

 the insertion of the ventrals ; the tail is armed with three series 

 of strong tubular spines, and one or two are seen on the middle 

 of the back behind the head. Colour greyish-purple with the 

 sides reddish ; body generally covered with white spots. 



Port Phillip. (Attains the weight of 60 lbs.) 



Count Castelnau gave a description of this Pish in the Proc. 

 Zool. Soc. Vict. Vol. I., p. 224, under the name of B. oxyrhynchus, 

 Lin., and subsequently in the 2nd Volume points out his mistake. 



Family V. TRYGONIDiE. 



The pectoral fins are uninterruptedly continued to and confluent 

 at the extremity of the snout. Tail long and slender, without 

 lateral longitudinal folds ; vertical fins none, or imperfectly 

 developed, often replaced by a strong serrated spine. 



Genus Urogymnus, Mull, & Henle. 



Tail long, very distinct from the sub-circnlar or elliptic disk, 

 without fin or spine, sometimes with a narrow cutaneous fold 

 below. Body densely covered with osseous tubercles. Pectoral 

 fins united in front. 



Indian and Australian Seas. 



1116. Urogymnus asperrimus, El. 

 Dumeril. Elasmobr., p. 580.— Gunth., Cat. Fishes, VIII., p. 472. 



