720 A REMARKABLE PISH FROM LORD HOWE ISLAND. 



at their apices which are free and minutely pointed. Fig. 2 shows 

 distinctly the teeth of the lower jaw. In the upper jaw there are 

 at the symphysis some round, smooth, nodular-like protuberances 

 extending some distance back on the vomer. The color is uniform 

 sooty black. Length, 7 inches. 



I have been compelled, in the foregoing description, to confine 

 myself entirely to external characters ; a complete and satisfactory 

 investigation could not be made without injury to the specimen. 



EXPLANATION OF PLATE XLVII, 



Fig. 1. — Ctenodax Wilkinsoni. Nat. size. 



Fig. 2. — Side view of mouth magnified. 



Fig. 3. — Front view of ditto ditto. 



Fig. 4. — Some scales of side slightly magnified. 



Fig. 5. — Single scale magnified. 



Fig. 6. — Three scales of transverse row in natural position magnified. 



