Zoology] NATURAL HISTORY OF VICTORIA. [Fishes. 



particularly the Blackfish ( Gadopsis gracilis) and the Yarra Herring 

 or Australian Grayling (Prototroctes marcena), which have now 

 disappeared from the lower parts of the Yarra altogether. 



Explanation of Figures. 



Plate 85. — Fig. 1, moderately large specimen (3 feet 4| inches long) (the first branched 

 ray of ventral not long enough) ; to show form and small spots of old fish. Fig. la, snout, 

 viewed from above. Fig. Id, inner view of mouth, showing bands of villiform teeth on lower 

 jaw, and smooth tongue. Fig. le, inner view of upper jaw, showing crowded small villiform 

 teeth on jaw, vomer, and palatine bones. Fig. 1/, one of the teeth, natural size. Fig. la, one 

 of the teeth magnified. Figs. \h, 1?', Ik, ll, scales, natural size and magnified. 



Plate 86. — Fig. 1, small specimen, f the natural size (1 foot 7J inches in length), showing the 

 angular patches of large spots of the young. Fig. la, top view of head of same broad-snouted 

 specimen. Fig. 2, outline of top of head of narrow-snouted specimen of about same size. 



Frederick McCoy. 



[22] 



