BY WILLIAM MACLEAY, F.L.S., &0. 47 



Trochochojms rufus. If it be the. same fish, he is certainly not 

 justified in changing the genus and name of the species. The 

 differences in the descriptions are of the most trivial description. 



1240. Labrichthys dux. De Yis. 



Proc. Linn. Soc, 1ST. S. Wales, Vol. VIII, p. 287. 

 Moreton Bay. 



Genus. Novacula. Cuv. and Val. 



Body compressed, oblong, covered with scales of moderate size ; 

 head compressed, more or less elevated and obtuse, with the upper 

 profile generally more or less parabolic ; head nearly entirely 

 naked, or with small scales on the cheek ; lateral line interrupted. 

 No posterior canine tooth. D. 9/12. A. 3/12, the two anterior 

 dorsal spines sometimes remote or separate from the other. 



Tropical Seas. 



1241. Novacula Jacksoniensis. Bamsay. 



Proc. Linn. Soc, N, S. Wales, Vol. III., p. 198. 



Port Jackson. 



1242. Coris semicincta. Bamsay. 



Proc. Linn. Soc. N. S. Wales. Vol. VII., p. 301. 

 Broken Bay. Lord Howe's Island. 



Species. 762. Siphonognathus argyrophanes. 



Four specimens of this very curious fish were received lately by 

 the Australian Museum from South Australia. In the character 

 of the genus given by Dr. Gunther in his Catalogue, he has 

 omitted to mention that there are no ventral fins. 



Family. GADID^F. 



1243. Lotella Swanii. Johnston. 



B. 7. D. 4/60. A. 55. V. 8. P. 22-23. L. lat. 200. L. 

 tr. 22/62. 



Head contained 4g times in total length, and greatest depth \\ 

 times. Length of snout equal to diameter of eye, and about one- 

 fifth the length of the head. Distance between orbits half again 





