137 



160. Atopomycterus nychthemerus, Cuv. Slender-spmed 



Porcupine Fish. 

 All the spines slender, without ridge; upper part of tail 

 without spine ; snout to dorsal, 13 spines in transverse series. 

 Gtinth. Cat, VIIL, p. 315. Allp. MS. Macl. Cat., 1065. 



161. Orthagoriscus mola, L. Sun Fish. 



D. 17-18. A. 14-17. C. 12-16. P. 12-13. Vert. 10 -7. 

 Gunth. Cat. VIIL, p. 317. Allp. MS. Macl. Cat., 1066. 

 Captured occasionally. 



Sub-class II. Otl^OntrtOpteregiU 



Fam. XLIII. CHIMiERID^. 



162. Callorhynchus antarticus, Lacep. The Elephant Fish 

 Snout with a cartilaginous prominence terminating in a 



cutaneous flap. 

 Giinth. Cat., VIIL, p. 351. Allp. MS. Macl. Cat, 1070. 

 Common in the estuaries of the Derwent and Tamar. 



Fam. XLIV. CARCHARID^. 

 (Eye with a nictitating membrane, an anal fin, two dorsals.) 



163. Carcharias glaucus, L. (E.) The Blue Shark. 



An anal fin. Teeth serrated, those of upper jaw oblique. 



First dorsal opposite to space between pectoral and ventral 



fins. Without spine. Mouth inferior. 



Gunth. Cat., VIIL, p. 353. Allp. MS. Macl. Cat., 1074. 

 Common. 



164. Gale us canis. Rondel. (E.) The Tope. 



Teeth, 34 : 34. The second dorsal fin is only one-third of 

 the size of the first, and somewhat in advance of anal. 



Gunth. Cat., VIIL, 379. Allp. MS. Macl. Cat, 1079. 

 (Australis.) 



Mr. Macleay is of opinion that the Australian form is 

 specifically distinct from the European form. It is termed 

 the "School Shark'' by the Port Jackson fishermen. 

 Length about six feet. 



165. Zygjena malleus, Shaw. (E.) The Hammer-headed 



Shark. 

 The length of the hinder margin of one side of the hammer 

 is nearly equal to its width near the eye. 

 Gunth. Cat, VIIL, p. 381. Allp. MS. Macl. Cat, 1080. 



166. Mustelus antarticus, Giinth. (A.) 



Origin of dorsal fin behind the inner posterior angle of 

 pectoral. No spine. Teeth small, numerous, similar in 

 both jaws, arranged like pavement, obtuse or with very 

 indistinct cusps. 

 Gunth. Cat., VIIL, p. 387. Allp. MS. Macl. Cat, 108L 



Common. 



