G FISH AND FISH-LIKE ANIMALS OF N.S.W.j 



10. Prionace Cantor Cat. Malay. Fish.. 1850, p. 399 {glauca). 



10a. P. glauca. Blue Shark. Squalus glaucus Linne, Syst. Nat. 10th ed., 

 1758, p. '-'35; Galeus glaucus Garman. Mem. Mus. Comp. Zool. xxxv;, 

 1913, p. 145. pi. 3. fig'. 1-3. (PI. i.). 



Widely listributed over most warm seas, but not certainly known from New 

 South Wales. Grows to 15 feet in length. 



11. Galeooerdo Mull. & Henle, Arch. Naturg. iii. I, 1837, p. 398 (arcticus). 

 11a. G. arcticus. Tiger Shark. Squalus arcticus Faber, Naturg. Fiseh 



Iss . 1829. p. 17; G. rayneri Macdon. & Barron, P.Z.S. 1868, p. 368, pi. 

 32. (PI. i.). 

 A common and dangerous species reaching a length of at least sixteen feet. 

 It is widely distributed throughout temperate and tropical seas, and often appears 

 in our harbours and estuaries. 



12. Galeorhinus Blainville, Bull. Soc. Philom. 1816, p. 121 (canis). 



12a. G. austpalis. School Shark. Galeus australis Macleay, P.L.S. 

 N.S.W. vi, 1881, p. 354; Id. McCoy, Prodr. Zool. Vict. dec. vii, 18S2, 

 pi. 64, 2. 



A very common species, growing to about five feet long. 



VII. Family Mustelidae. 



13. M'jstelus Linck, Mag. neue Phys. u. Nat. vi, 1790, p. 31 (mustelus). 

 13a. M. ANTARCTicus. Gi'MHT. M. ant arcticus Gthr., Brit. Mus. Cat. Fish, 

 viii, 1870, p 387; Id. McCul., Rec. Aust. Mus. vii, 1909, p. 315, pi. 90, 3. 

 (PI. i.). 

 Another small and harmless species, reaching about 3J feet in length. The 

 blunt, pavement-like teeth, from which this shark derives its popular name, serve 

 to crash up shell-fish and crustaceans, etc. The young are developed within the 

 body of the parent, and supplied with nourishment by means of a remai-kable 

 structure resembling the placenta of mammals. 



VIII. Family Sphtrxidae. 



14. Sphvrxa Rafinsq., Indies Ittiol Sicil., 1810, pp. 46. 60 (zygaena). 

 14a. S. zygaena. Hammer-headed Shark. Squalus zygaena Linne. Syst. 

 Nat. 10th ed.. 1758. p 234; Cestracion zygaena Garman, Mem. Mus. Comp. 

 Zool. xxxvi. 1913, p. 157, pi. 1, 1-3. (PL L). 



