358 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISnES, 



A pit at the root of the caudal, which has the lower lobe well 

 developed. Side of the tail with a keel. No nictitating 

 membrane. Spiracles minute. Sometimes absent. Mouth 

 crescent-shaped, wide. Teeth large, flat, erect, regularly 

 triangular, serrated. Gill-openings wide. 



Temperate and Tropical Seas. 



1083. Carciiarodox roxdeletii, Mull. & Henle. 



Mull. & Henle, p. 70. — Dum., Elasmobr., p. 411.— Gunth., Cat. 



Fishes VIII., p. 392. 

 " The White Pointer" of Sydney Fishermen. 



General appearance of Lamna glauca, vdth the same form of 

 snout and tail, but differs in having the teeth, though as long, 

 much broader and compressed, and serrated. The eye is situated 

 more over the front of the mouth. The first dorsal fin nearer 

 the pectoral fin, which is much longer, but not falciform. The 

 keel on each side of the tail is longer and not so wide, and the 

 lower lobe of the caudal is almost if not quite as long as the 

 upper. Colour pale bluish-grey. 



Australian Seas. Port Jackson. Greatest length thirty-six feet. 



Genus Odoxtaspis, Agass. 



The first dorsal fin opposite to the space between the pectoral 

 and ventral fins, without spine ; the second dorsal and the anal 

 not much shorter than the first dorsal. No pit at the root of the 

 tail ; its side without keel. No nictitating membrane. Spiracles 

 minute, pore-like, above the angle of the mouth. Mouth crescent 

 shaped, wide. Teeth large, awl-like, with one or two small cusps 

 at the base. Gill-openings of moderate width. 



Temperate and Tropical Seas. 



1084. Odontaspis americaxus, Mitch. 

 Gunth., Cat. Fishes, VIII., p. 392.— 0. taunts, Mull. & Henle, 



p. 73, pi. 30. 



