546 



PROCEEDIXas OF THE NATIONAL MUSEUM. 



VOL. XXV. 



of the tins; pectorals with a bar across its basal portion, otherwise 

 like the ventrals, plain. Length GyV inches. Here descrilied from a 

 specimen from Ikune, from Satsuma, in Kiusiu. 



This handsome tish is rarely taken off the headlands of southern 

 Japan. We have one fine specimen from Ikune in Satsuma, a province 

 in the island of Kiusiu. 



{septentrionaUs^ northern, most species of the genus being- exclu- 

 sivel}^ tropical.) 



17. HOLACANTHUS RONIN Jordan and Fowler, new species. 



Head 3i; depth If to 1|; D. I-XHI, 18 or 19; A. HI, 17; P. I, 

 IT; V. I, 5. Body deep, strongly compressed, and covered almost 



Fig. 0.— Hoi. ACANTHI'S ronin. 



everywhere with small, rough scales. Head deep; the profile above, 

 very steep, and convex in the young, becoming more oblique and 

 straight with age; eye small, high, 2^ to 4 in the head, and 1 

 to 1| in the interorbital .space; the eye a third longer than the snout 

 in the young and If in the same in the adult; profile of bod}^ convex 

 from the tip of the snout to the ventrals; mouth small, the max- 

 illary nearly vertical, and not extending beyond antei'ior nostril; 

 nostrils small, close together, and in front of the eye'; the lower 



