BY W. MACLEAY, F.L.S. 373 



narrow groove. The dorsal fins are equal to the length of the 

 interocular space ; the dorsal tubercles between the fins are 

 feeble ; they are not visible at all behind the second dorsal. The 

 upper surface is rough and covered with small tubercles. The 

 colour is light brown above, yellowish- white beneath. 



"West Australia. Length fourteen inches. 



Genus Teygonoehixa, Mull. & Henle. 



Differs from Rhinohatus only in having the anterior nasal valves 

 broad, and confluent into a broad, quadrangular flap with a free 

 margin overhanging the mouth. 



Australia. 



1111. Trygonoriiina fasctata, Mull. & Henle. 



Mull. & Henle, p. 124, pi. 43.— Dum. Elasmobr., p. 502.— 

 Gunth., Cat. Fishes VIII., p. 400. 



" The Fiddler" of the Sydney Fishermen. 



Snout rather short, the distance between its extremity and the 

 mouth being not much more than the distance between the 

 outer angles of the nostrils. A series of obtuse distant tubercles 

 along the median line of the back ; some similar tubercles above 

 the eye and on the shoulder. Colour pale reddish-brown, with 

 numerous wavy irregular light coloured fasciee, edged with dark 

 brown. 



Tasmania, Victoria, South Australia, New South Wales. 



Family III. TOKPEDINID2E. 



The trunk is a broad smooth disk ; tail with rayed dorsal and 

 caudal fins and a longitudinal fold along each side. Anterior 

 nasal valves confluent into a quadrangular lobe. An electric 

 organ composed of vertical hexagonal tubes between the pectoral 

 fins and the head. 



