NO. 1293. JAPANESE BLENNOID FISHES— JORDAN AND SNYDER. 4G5 



absence of a true lateral line. Dr. Boiileng-cr informs us that a true 

 median lateral line is developed in CIvlrolopMs ascanii. 

 [ftpvov^ moss; crf'/^/uf. crown.) 



a. Anal rays, I. 45. 



h. Body with diffuse spots. Dorsal LIX poli/aciocephalum, 14. 



lib. Body brightly colored, with 10 or 11 dark l)ars; liiis ))arred; dorsal, LXI; 



anal, I. 45 .'. otokime, 15. 



art. Anal rays I. 36; body speckled; dorsal LI , saitone, 16. 



14. BRYOSTEMMA POLYACTOCEPHALUM (Pallas). 



Blennrm pulyaductphalua Pallas, Zool. Rosso-Asiat., Ill, 1811, p. 17!>; Kam- 

 chatka. 



Chirolophui^ japonicus Herzenstein, Melanges Biologiques, XIII, 1890, j). 123; 

 Hakodate. 



Bryostemmn polyactoceplialum. Jordan and Gilbert, Rept. Fur-Seal Investiga- 

 tions, Pt. 3, p. 479 ( in part. ) 



Head Of in length; depth -if; depth of caudal peduncle 2| in head; 

 eye 3f ; snout 4; D. LIX; A. 1. 45. 



Body long, compressed, deep; head short, the snout blunt; inter- 

 orbital space concave, the eyes projecting above the top of head; 

 lowcA' jaw projecting somewhat; maxillary extending to a vertical 

 passing through middle of eye. Jaws with 2 closeh' apposed rows of 

 teeth, arranged alternately, the tips aligned to form a single cutting 

 edge; vomer and palatines naked; pseudobranchia> large; gill-rakers 

 on first arch 18, short, pointed. 



Head naked; body covered with minute, partly embedded scales; 

 membranes of fins naked, except basal part of pectoral. Lateral line 

 represented by a series of 7 or 8 pores above opening of pectoral fin. 

 Head with cirri; a small flat one between and a little posterior to the 

 nostrils; 2 pairs of branched tentacles on interorbital space, the ante- 

 rior of which are joined at their bases, the posterior ones widel}^ sepa- 

 rated, higher than the anterior pair; occiput with many small cirri, 

 some of which are ])ranched, others simple; lower jaw Avith a row of 

 small, widely spaced cirri, which extends backward and upward along 

 edge of preopercle; a few cirri above the short lateral line. Nostrils 

 wnth long, pointed tubes. 



Dorsal inserted inunediateh'^ above the gill-opening, the first spine 

 separated from the others by a deep scallop, several small cirri along 

 sides of spine; the first and second spines with broad, branched flaps 

 on their tips; memln'ane of fin not incised between the spines, con- 

 nected with basal part of the caudal; height of middle spines contained 

 2f times in head. Membrane of anal deeply incised between the rays, 

 narrowly connected with the base of caudal; rays near middle of fin 

 contained 2i times in head; caudal rounded, the rays below the middle 

 slightly longer than those above, 2i in head; pectoral rounded, e(|ual 

 in length to the head; ventrals 2^ in head. 

 Proc. N. M. vol. XXV— 02 30 



