208 BULLETIN ISO, UNITED STATES NATIONAL MUSEUM 



Genus LEPTOJULIS Bleeker 



Leptojulis Bleeker, Proc. Zool. Soc. London, 1861, p. 412; Versl. Akad. Amster- 

 dam, vol. 13, p. 100, 1862. (Type, Leptojulis cyanopleura Bleeker.) 



LEPTOJULIS PARDALIS Kner 



Leptojulis pardalis Knee, Sitzb. Akad. Wiss. Wien, vol. 56, p. 728, pi. 3, fig. 2 (9 In 

 text), 1867. 



115609, Tutuila Island, reef at Pagai, June 4, 1939, 2 specimens. 

 52230, Apia, Samoa, Jordan and Kellogg, 3 specimens. 



Genus HALICHOERES ^ Riippell 



EaUchoeres JUxpfell, Neue Wirbelthiere zu der Fauna von Abyssinien gehorig, 

 Fische, p. 14, 1935. (Type, H. Hniaculatus Riippell.) 



KEY TO THE SPECIES OF HALICHOERES FROM THE PHOENIX AND SAMOAN 

 ISLANDS, REPRESENTED BY SPECIMENS IN THE NATIONAL MUSEUM 



la. Dorsal rays IX, 13; anal III, 12, color dark brownish or blackish, not pale 



(white) with black markings but dark with paler markings; pelvics 



blackish (see table 22 for counts made on this genus). 



2a. Margins of dorsal and anal with pale band ; caudal fin blackish with a 



wide pale margin posteriorly and dorsally and ventrally at rear of fin ; 



pectoral blackish ; about three pale streaks under pectoral fin ; head 



and anterior part of body with pale sti'eaks, somewhat indistinct ; no 



white-bordered black spot in soft dorsal. 



Halichoeres marginatus Riippell 



26. Margins of dorsal and anal fins blackish ; caudal fin plain grayish to 



blackish in adults, nearly white in young, posterior margin not whiter 



than rest of fin ; pectoral paler than body ; a large white-bordered black 



spot near front of soft dorsal; sides of body and head with narrow 



pale streaks or lines, very obscure in adults, most pronounced in young. 



Halichoeres notopsis (Cuvier and Valenciennes) 



1&. Dorsal rays IX, 11 or 12; anal rays III, 11 or 12 (usually 11 except in H. 



Jwevenii), pectorals pale, at least distal three-fourths of rays; general 



background pale with blacker marking (probably mostly red or green 



in life). 



3a. A blackish spot or blotch dorsally and posteriorly on caudal peduncle, 



or dorsally on base of caudal fin rays (in life this spot bluish or 



blackish). 



4a. A black spot between fii'st and second dorsal spines; a white-bordered 



or ocellatod black spot between first to fourth soft dorsal rays; 



an ocellated black spot at base of caudal fin rays above midaxis ; 



dorsal fin somewhat barred or reticulated ; anal fin with three or 



four light brownish lengthwise streaks ; a blaek-pigmentcd area in 



front and just behind eye; paired fins pale; in life body marked 



with alternating red and blue lengthwise streaks. 



Halichoeres hoevenii (Bleeker) 



46. No black spots in middle of length of dorsal fin and but rarely with 



a faint grayish spot at front of spinous dorsal ; a black blotch 



dorsally on caudal peduncle considerably in advance of base of 



^Halichoeres chloropterus (Bloch) was reported from Samoa by Schmeltz, but since we 

 do not have any specimens of It from the locality under consideration and it li.is not been 

 found there since I have omitted it from the key. 



