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CHAECHARIAS. 
One sort is also stated by Professor M‘Coy as having been 
recently found in Hobson’s Bay. 
CHAECHAMAS MELANOPTEETJS. 
Charcharias Melanopterus, Quon et Qaim., Yoy. de V Uraine 
Zool., p. 194, pi. 43, figs. 1-2. 
Professor M‘Coy says that he has only seen one specimen, 
fifteen feet long. 
LAMNIDiE. 
“ The first dorsal opposite to the space between 
the pectoral and ventral fins, without spine; no 
anal fin. No nictitating membrane. Month crescent- 
shaped, inferior ; nostrils not confluent with the 
mouth. Gill- openings generally wide. Spiracles 
none, or minute.” 
ODONTASPIS. 
Genus of Agassiz, established in his work on the fossil fishes. 
ODONTASPIS TAUEtrs. 
Odontaspis Taurus, Bafinesque, Miiller ^ Ilenle,^. 73, pi. 30. 
Professor M‘Coy says that this shark is common in the Victo- 
rian waters, but I have not yet obtained a specimen of it. 
HEPTAISTCHUS. 
Formed by Muller and Henle in their valuable work on the 
Plagiostomidce. Sejptanahua Indiciis is said to be found in the 
Bay, but I can only repeat for this the same as I have stated 
for the precedent. 
