190 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



ABUDEFDUF PHOENIXENSIS, new species 



Figure 15. 



Ahudefduf alhofasciattis (not Hombron and Jacquinot) Fowler and Ball, B. P. 

 Bishop Mus. Bull. 26, p. 22, 1925.— Fowler, B. P. Bishop Mus. Mem., vol. 

 10, p. 324, fig. 56, 1928. 



Ilolotype. — ^A specimen (U.S.N.M. No. 115782) 52.5 mm. in 

 standard length, taken by Leonard P. Schultz on the reef of Ender- 

 bury Island, May 15-19, 1939, along with 44 paratypes (U.S.N.M. 

 No. 115785), 32 to 57.5 mm., same data. 



In addition the following paratypes were collected: U.S.N.M. 

 No. 115784, Rose Island reef, June 11-14, 1939, 13 specimens, 28-49 

 mm.; U.S.N.M. No. 115783, Hull Island channel, July 7-17, 1939, 3 

 specimens, 32-35 mm. ; U.S.N.M. No. 115786, Swains Island reef, May 

 3-9, 1939, 9 specimens, 22-48 mm. 



Description. — (Based on the holotype and 69 paratypes, listed 

 above. Detailed counts and measurements were made on the holotype 

 and three paratypes, one each from Enderbury, Rose, and Swains 

 Islands. The data for the holotype are given first, followed by that 

 for the paratypes in parentheses, respectively. All measurements 

 are expressed in hundredths of the standard length, 52.5 mm. [53.5; 

 43.7; 44.6]). Length of head 32.7 (34.0; 33.6; 33.6) ; greatest depth 

 of body 55.3 (56.1; 51.5; 50.5); length of snout 10.1 (11.2; 10.8; 

 10.1); diameter of eye 10.3 (9.9; 10.1; 10.6); distance from tip 

 of snout to posterior edge of maxillary 9.9 (10.3; 10.1; 9.9) ; distance 

 from tip of snout to origin of dorsal fin 44.8 (46.2; 43.5; 47.0) ; snout 

 to origin of anal fin 62.8 (68.2; 66.5; 67.2); snout to insertion of 

 pelvic fins 40.0 (40.2; 41.2; 41.5); distance from posterior base of 

 anal fin to mid-base of caudal fin 19.0 (18.1; 17.9; 16.4) ; least depth 

 of caudal peduncle 16.7 (16.8; 16.7; 15.7) ; length of longest ray of 

 pectoral fin 29.0 (31.0; 27.9; 31.0) ; length of longest ray of pelvic fin 



26.1 (31.8; 33.6; 34.8) ; length of longest ray of uf)per lobe of caudal 

 fin 30.9 (33.6; 34.3; 36.2) and of lower one 28.0 (30.0; 31.0; 32.5); 

 length of longest (usually 7 or 8) dorsal spine 17.5 (19.7; 19.5; 17.9) ; 

 length of longest soft ray of dorsal 21.5 (21.5; 24.5; 21.3) ; length 

 of longest soft ray of anal 21.5 (25.8; 28.1; 24.6); length of last 

 dorsal spine 17.2 (18.7; 18.3; 17.9) ; length of second anal spine 18.1 

 (17.4; 19.2; 20.2) ; length of base of soft dorsal fin 25.6 (28.6; 25.2; 

 23.1); length of base of anal fin 24.8 (20.2; 29.3; 24.0); length of 

 base of dorsal fin 60.0 (62.9; 61.4; 58.2); postorbital length of head 



16.2 (15.9; 16.2; 16.4); interorbital space 10.5 (11.2; 10.3; 10.1); 

 width of preorbital (distance from above rear edge maxillary to eye 

 6.1 (5.6; 4.6; 4.5). 



Dorsal rays XII, 17 (XII, 16; XII, 17) ; anal rays II, 14 (II, 14; 

 II, 14 ; II, 14) ; scale rows on side of body from upper edge of gill open- 



