524 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Head 2f ; depth (greater in young-) less than half the length of the 

 body by f the diameter of the eye. D. IX-26 to 28; A. 111-26; P. 

 1-12; V. 1-5; scales 11-60-10. Body covered with rough ctenoid 

 scales, very deep and elevated, the back forming a sharp angle nearer 

 the caudal peduncle than the tip of the snout, and the apex forming 

 the origin of the spinous dorsal; ))elow with the protile rounded and 



'^^-^jmr 



f0Wmm, 





\ 









Fig. 2.— Antigonia robescens. 



somewhat produced in the region of the spinous anal. Head deep, 

 very concave aljove, the supra-occipital process forming a lump; snout 

 equal to the eye, greater than th'e interorbital space; eye large, in the 

 middle of the length of the head, in which it is contained 3 times; max- 

 illary short, not very broad, not as far posterior as the anterior nos- 

 tril, the width equal to one-third the eye, the leng-th 1^ in the head, 



