268 the proceedings of the linnean society 



16. Apogonichthys Darnleyensis. 



Plate V. Fig. 3. 



D. 71, A. f, L. lat. 28. 



Height two and a half times in the length of the body without 

 the tail. Diameter of orbit, a little less than half the length of the 

 head. Edge of orbit and double edge of proeoperculum punctured, 

 and showing under the lens minute serrations. The third and 

 fourth spines of the dorsal fin are of nearly equal length, and are 

 longer than the others. The fifth and sixth rays of the soft dorsal, 

 and the fourth, fifth, and sixth ot the anal fins are longest, Scales 

 large and ciliated. Tail truncate. Coloration, yellowish brown, 

 with darker cloudings. There is a black streak from the eye to the 

 angle of the prseoperculuai, and a black spot at the upper posterior 

 corner of the orbit. There is a dark mark on the operculum, but 

 without a white edge. All the fins are blackish, with the excep- 

 tion of the pectorals, which are of a pale hue. 



One specimen from Darnley Island. 



1 7. — Apogonichthys marmoratus. 

 Plate V. Fig. 2. 

 D. 71, A. f. . 

 Height of the body one-third of the total length. Muzzle rather 

 prolonged. Cleft of mouth little oblique. Lateral line continued only 

 to the commencement of the soft dorsal fin. Tail truncate. Colora- 

 tion reddish yellow, transversely marbled with brown. There is a 

 broad yellow patch on the prseopex-culum, and a large blue white- 

 edged spot on the operculum. All the fins except the pectoral are 

 marked with several small wavy fascia? formed of minute spots. 

 Two specimens, Cape Grenville. 



New Genus — Homalogrystes. 



Body oblong. Mouth large. Lower jaw longer than the upper. 

 A bvoad band of acute, recurved, somewhat conical teeth in both 

 jaws. A band of similar teeth on the vomer and palatine bomes. 

 Two canines close together on each side of the upper jaw, in front. 



