200 "ENDEAVOUR" SCIENTIFIC RESULTS. 



occiput has bony rugose patches on each side separated 

 by a median area of smooth skin ; a small median rugosity 

 on the hinder margin of the occiput and a bony knob 

 behind the postero-superior angle of each eye. Gill- 

 openings small, superior, and separated by a space which 

 is less than that between the outer margins of the eyes. 

 Preopercular spines very large, with almost straight tips 

 directed slightly outwards; each is armed with a strong 

 basal antrorse spine, and a row of six coarse spines above, 

 which increase in size forwards. Mouth small, the 

 maxillary not reaching the vertical of the anterior margin 

 of the eye. A curved band of minute teeth in the 

 anterior part of the upper jaw and one in the lower which 

 reaches farther backward. 



Body greatly compressed, the caudal peduncle much 

 broader than deep in the middle of its length. Lateral 

 lines united across the nape, and with the usual angular 

 cephalic branches extending around each side of the 

 occiput to the hinder angle of the eye and on to the cheek, 

 and others along the preopercular margin towards the 

 spine and across the operculum. 



First dorsal spine longest, but reaching little beyond 

 the base of the anterior ray; there is no membrane behind 

 the fourth spine. All but the last dorsal rays are 

 simple; the first is longer than those following it, but 

 they increase again in length posteriorly, the last being 

 half as long again as the first. Anal rays increasing 

 slightly in length backwards and all but the last are 

 simple. Pectoral margin somewhat excavate above, the 

 median rays reaching backward to the level of the third 

 anal ray. Ventrals broadly rounded and reaching back- 

 ward to the origin of the anal. Median caudal rays a 

 litttle longer than the head and all but the outer ones 

 bifurcate. 



Colour-marking. Very pale-coloured after preserva- 

 tion in formalin and almost without definite markings. 

 Two characteristic oval spots are present on each side 

 below the lateral line, the first above the anterior portion 

 of the anal and the other above its fifth ray; these are 

 dark grey and enclose rings of small white spots. The 

 first dorsal is marked with a network of grey lines 

 enclosing round light spots; there appear to be darker 

 areas at the tip of each spine between which the mem- 

 brane bears a narrow white border. The soft dorsal is 



