BY "W. MACLEAY, F.L.S. 271 



rarely with basal lobes ; those of the outer series rudimentary, 

 not bent outwards. Silvery. 



Port Jackson. 



Genus Myropiiis, Liitken. 



Nostrils on the margin of the upper lip, the anterior tubular. 

 Pectoral fins well developed ; vertical fins low, surrounding 1 the 

 tail ; the dorsal commencing- far behind the pectoral. Teeth bi- 

 or tri-serial, uni-serial on the hinder part of the vomer. 



Tropical Atlantic. Australia. 



918. MYRorins ciirysogaster, u. sp. 



Length of the head about one-twelfth of the total length ; 

 length of tail twice that of the body, without the head. The 

 dorsal fin appears to commence (it is so low as to be difficult of 

 detection) about midway between the gill-opening and the vent. 

 Snout rather long, rounded and rather depressed in front, the 

 nasal tubes large. The teeth have a round molar appearance. 

 The colour seems to have been reddish-brown, becoming yellowish 

 on the belly. Length two feet. 



Port Darwin. 



919. MYRorins australis, Casteln. 

 Proc. Linn. Soc. N.S. Wales, Yol. III., p. 39G. 

 Port Jackson. 



Genus Blaxciiardia, Casteln. 



Body scaly and very elongate. Mouth broad ; teeth in 

 numerous series, pavement like, extending in a longitudinal line 

 over the palate and posterior part of the mouth ; nostrils in front 

 of the eyes, not tubular. The dorsal fin commences a little 

 behind the insertion of the pectorals and is continuous with the 

 caudal and anal ; pectorals rather large ; vent a little nearer the 



