228 



PROCEEDINGS OF THE ACADEMY OF 



[Feb., 



third anal spine longer, a dusky blotch below base of soft dorsal, upper 

 caudal lobe longer, and no longitudinal alternate dark and pale bands 

 on side. 



(Glad his, knife ; spina, spine.) 



Holocenthrus gracilispinis sp. nov. Fig. 2. 



Holocentrus diploxiphus Fowler, Proc. Acad. Nat. Sci. Phila., 1900, p. 501. 

 Sandwich Islands. (Dr. J. K. Townsend.) (Not of Gunther.) 



Head 3; depth 3; D. XI, 13; A. IV, 9; P. i, 14; V. I, 7; scales 47 in 

 lateral line to base of caudal, also several more continued on latter ; 3^ 

 scales obliquely back from origin of spinous dorsal to lateral line ; about 

 8 scales obliquely forward from origin of spinous anal to lateral line; 



Fig. 2. Holoccnthrus gracilispinis Fowler. 



3 scales between middle of spinous dorsal basally and lateral line; 

 width of head If in its length; depth of head If, over posterior margin 

 of eye; snout 4; eye 2|-; maxillary 2f ; mandible 2^; interorbital space 

 3^; third dorsal spine If; first 2+; second dorsal ray If; third anal 

 spine If-; first anal ray If; least depth of caudal peduncle 3|; pectoral 

 11; ventral If. 



Unless otherwise stated, all of the characters noted under H. gladi- 

 spinis apply equally to this species. 



Profiles of body apparently more evenly convex anteriorly. Caudal 

 peduncle compressed, and its leQ.st depth about half of its length. 

 Upper profile of head more like lower than in H. gladispi7i{s. Snout a 



