118 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



P. Schultz, along with one paratype bearing same data (U.S.N.M. 

 No. 116179). 



Descri'ption. — (Based on the holotype and paratype, only known 

 specimens. Detailed counts and measurements were made, those for 

 the paratype recorded below in parentheses. All measurements ex- 

 pressed in hundredths of the standard length, 18.7 (20.5) mm.) 

 Length of head 33.6 (32.6) ; length of snout 6.4 (6.3) ; diameter of 

 eye 10.6 (11.2) ; postorbital length of head 18.1 (18.1) ; greatest depth 

 of body 26.2 (25.8) ; least depth of caudal peduncle 15.5 (14.1) ; 

 length of caudal peduncle or distance from base of last anal ray to 

 midbase of caudal fin rays 14.9 (14.1) ; snout to origin of dorsal fin 



:-..} 



~-*«ta(as?- 



Figure 11. — Pseudoplesiops rosae, new species; Holotype (U.S.N.M. No. 116178), 

 18.7 mm. in standard length. 



38.5 (39.0) ; snout to origin of anal fin 6.5 (6.1) ; snout to insertion 

 of pelvic fins 31.6 (30.2) ; least width of bony interorbital space 4.8 

 (4.4) ; length of longest (second soft ray) pelvic ray 32.1 (36.5) ; 

 length of longest pectoral fin ray 20.3 (20.4) ; length of longest 

 caudal fin ray 24.8 (26.3) ; length from tip of snout to posterior edge 

 of maxillary 10.7 (10.2) ; length of base of dorsal fin 56 (58) ; length 

 of base of anal fin 25.6 (26.3). 



Dorsal rays 22, last four branched (22) ; anal 13, last four branched 

 (13) ; pectoral 17 (17) ; number of scale rows from gill oi)ening to 

 base of caudal fin rays 27 (26) ; scales in a transverse row obliquely 

 upward and backward from origin of anal fin to dorsal fin 11 (11) ; 

 scales before dorsal 8 (9). 



Scales ctenoid on head and body; lower jaw slightly projecting, 

 mouth a little oblique; scales on cheeks and opercle, snout naked; 

 no teeth on palatines; an enlarged outer series of caninelike teeth 

 on both jaws with a narrow band of villiform teeth inside the outer 

 series on both jaws; a A-shaped patch of villiform teeth on vomer; 

 pectoral and caudal fins rounded, pelvics very long and slender, 

 consisting of I, 3 rays, the first two raj's long, the third soft ray 



