448 TOEPEDINIDJE. 



rior uasal valves, which are broad, confluent into a broad quadran- 

 gular flap with a free margin overhanging the mouth. 

 Australia. 



1. Trygonorhina fasciata. 

 Mull. <^- Ilenle, p. 124, taf. 43 ; Dumeril, Elasmohr. p. 502. 

 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. 

 Southern Australia. 



a. Fine adult female specimen. Tasmania. Purchased of Mr. E. 



Gerrard. 

 h-c. Adult female, 31 feet long, and half-grown : stuffed. South 



Australia. 

 (1. Adult male. New South Wales. From Mr. Krefl't's Collection. 

 c. Young male. Sydney. 



f-r/. Adult male and female : stuflPed. Australia. 

 li. Adult male. Australia. 

 ?. Half-grown female. From the Haslar Collection. 



Fam 3. TORPEDINID^E. 



The trunk is a broad, smooth disk ; tail with rayed 

 dorsal (absent in Temera) 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. 



5. TOEPEEO*. 



Torpedo, DumSril, Zool. Analt/t. 1S06, p. 102. 

 Narcobatis, Blaiiiville, Faun. Franr^. 1816. 



Tail very distinct from the subcircular disk, with a fold on each 

 side. Body entirely naked. Two dorsal fins on the tail, without 

 spine ; caudal well developed ; ventral fins separate. Nasal valves 



*■ 1. Torpedo occidentalis, Storer, Mctn. Am. Ac. ii. p. 51C>, ix. 1867, p. 247 

 pi. 39. fig. 15, and Proc. Bosf. Soc. Kaf. Hist. ii. p. 71.— United 

 States. 



2. sinus persiei, Kacmpfcr, Amccn. F.rof. p. 509 ; Dum&il, Elasinoor. 



p. 50(>.— Red Sea. 



.'?. eliilensis, Guichcn. in Gay, Chile, Zool. ii. p. 368. — Chile. 



