74 FISHES OF NEW ZEALAND. 



Atlantic, Pacific. 



A fine specimen of this fisli, cauglit in Auckland Harbour, is in the 

 Auckland Museuui ; it lias also been obtained ofi" the coasts of Otago. 



SUB-CLASS IV.— CHONDROPTERYGIL* 



Skeleton cartilaginous ; skull without sutures ; caudal fin with a 

 produced upper lobe ; generally several gill openings ; males with 

 prehensile organs attached to the ventral fins. 



Order I.— HOLOCEPHALA. 



One external gill opening only, covered by a fold of the shin ; four 

 branchial clefts within the gill cavity ; jaios coalescent with the skuU. 



CHIM^RID^. 



Body elongate ; pectoral fins free ; anterior dorsal above the pectorals; 

 mouth inferior ; dental organs confluent into two pau'S of laminee in the 

 upper jaw, and into one pair in the lower ; no sj)iracles ; males with a 

 peculiar prehensile organ on the upper part of the snout. 



Callorhynchus. 



Snout with a cartilaginous prominence, tei-minating in a cutaneous 

 flap ; two doi-sals, the anterior with a strong and long spine ; extremity 

 of the tail distinctly turned upwards, with a fin along its lower edge, 

 but without one above ; anal fin close to the caudal, short and deep. 



Southern Pacific, Cape of Good Hope. 



119. CALLORHYNCHUS ANTARCTICUS. Lacep. CM. 



Elephant Pish. 



C antarcticus, Gunth., VIII., 351. 



Second dorsal fin elevated in front ; pectorals very large. 



Adult -with an obscure blackish lateral band ; young with the upper 

 parts black, and with whitish bands and spots. 



Range same as that of the genus. 



* Sub-classes II. and III. are not found in New Zealand. 



