270 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXVII. 



20. RHEOPRESBE FUJIYAM.^ Jordan and Starks, new species. 

 TAKITAROO. " 



Head 8 in length without caudal; depth 6. Dorsal VIl-15; anal 

 14; eye 5^ in head; interorbital space 5^; maxillary 2^. 



Head and anterior part of body depressed, the body scarcely deeper 

 than the head; upper profile of head yery gently curved, nearly 

 straight from dorsal to premaxillary processes, thence bluntl}' 

 rounded to snout, jaws eyen. Mouth rather large; maxillary reach- 

 ing to posterior margin of orbit; anterior end of premaxillary on a 

 leyel with middle of ej-e. Teeth small cardiform; the band on man- 

 dible moderate and widened ])ut little anteriorl}-; that on premaxillary 

 narrow at the side, rather wide anteriorly; teeth on yomer and pala- 

 tines similar to those on jaws, in bands as wide as at front of premax- 

 illary. Interorbital space wide, concave, and without ridges; top of 

 head nearly flat, very slightly convex. Nasal spines acute, ])ut not 

 sharp: not projecting through the skin. Preopercle spine sharp and 



Fig. 16. — Rheopresbic it.iiyam-E. 



strongly hooked; 3 ])lunt spines below it, not projecting througli the 

 skin, the lowest hooked forward. Snout very slightly longer than 

 eye; postorbital part of head 1^ times combined length of snout and 

 G,ye. Skin everywhere smooth. 



Pectoral rather broadly rounded behind, not reaching to opposite 

 vent; it has 17 rays, all l)ranched, the lower rays divided 8 or 4 times, 

 the middle ones about times; the fifth to seventh rays from the top 

 the longest. If in head. Length of ventrals, 2ir in length of head and 

 2|^ times in distance from their base to front of anal; they have one 

 concealed spine and 4 rays. Origin of dorsal just behind a line drawn 

 between tip of opercle flaps. Spinous dorsal low and rounded in 

 outline, its second to fourth spines sul)equal in length, three-fifths of 

 longest soft raj^s, which are equal to combined length of snout and 

 eye. Dorsal and anal rays, except the first, 1 or 2 branched, their tips 

 not di^'ided over 2 or 8 times. Origin of anal midway between tips 

 of caudal rays and middle of e3^e; anal raj^ from the fourth to within 

 a couple of the last are subequal, their length 8i in head. C/audal 

 slightly rounded, its length 2i in head. 



« Taki, waterfall, taroo, firstborn. 



