BY W. MACLEAY, F.L.S. 127 



eye is situated in the lower part of the excavation, and on the 

 upper part the nape projects in a point over the eje. The colour 

 is brownish on both sides and a good deal speckled. The fins 

 are minutely spotted with a deeper shade of brown. 



Port Jackson. Length about eight inches. 



Genus Rhomboidichtiiys, Bleek. 



Mouth of moderate width or small, the length of the maxillary 

 being one-third, or less than one-third, of that of the head. Teeth 

 minute, of equal size, in a single or double series ; vomerine and 

 palatine teeth none. Eyes separated by a concave more or less 

 broad space. The dorsal commences on the snout ; dorsal and 

 anal rays simple. Scales ciliated ; lateral line with a strong curve 

 anteriorly. Eyes on the left side. 



Tropical seas, Mediterranean, Japan, and Australia. 



783. Ehomboidichthys spiniceps, n. sp. 



D. 84. A. 64. L. lat 40. 



Height of the body one-half of the total length. Scales large, 

 deciduous, those of the lateral line square. Mouth small ; teeth 

 minute, in a single series. Eyes rather large, about one-third of 

 the length of the head, the lower a little in advance of the upper ; 

 the interspace concave and scaly, and about two diameters of the 

 ordit apart. The profile of the head almost vertical, with a slight 

 concavity above the mouth ; a horny point on the snout 

 immediately above the maxillary, another on the upper front of 

 the lower eye, and a-third on the lower front of the upper eye. 

 The rays of the dorsal and anal fins are simple and clothed with 

 smooth small scales, the rays are equally long throughout, those 

 on the dorsal begin immediately above the snout, and in both fins 

 they terminate close to the caudal ; ventral fins close together ; 

 pectorals about the length of the head, and smallest on the blind 

 side, but slight and narrow on both sides. Colour brownish-red, 

 faintly mottled all over with blackish, two larger black spots on 



