FAMILY LABRIDAE — SCHULTZ 237 



Marshall Islands specimens the streaks behind the pectoral fin are 

 faint and a blackish blotch occurs in the axil of pectoral. 



HAUCHOERES MARGINATUS Riippell 



Plate 105,A-C 



Halichoeres marginatus Ruppell, Neue Wirbelthiere zu der Fauna von Abysinnien 



gehorig, Fische, p. 16, 1835 (type locality, Red Sea). 

 Platyglossus marginatus Bleeker, Atlas ichthyologique . . , , vol. 1, p. 109, 



pi. 41, fig. 3, 1862 (Java, Sumatra, Batu, Amboina), — GOntheb, Journ. 



Mus. Godeffroy, vol. 8, No. 16, p. 271, pi. 143, fig. 3, 1909 (Society Islands; 



Samoa) . 

 Julis notopsis Cuvier and Valenciennes, Histoire naturelle des poissons, vol. 



13, p. 485, 1839 (type locality, Guam). 

 Platyglossus notopsis Bleeker, Atlas ichthyologique . . . , vol. 1, p. Ill, pi. 41, 



figs. 1, 1862 (Java, Bawean, Sumatra, Batu, Biliton, Celebes). 

 Platyglossus notopsis (non Kuhl and Van Hasselt) Fowler, Proc. Acad. Nat. 



Sci. Philadelphia, vol. 98, p. 167, fig. 35, 1946 (Riu Kiu Islands). 



SPECIMENS STUDIED 



Bikini Atoll: 22 stations, 55 specimens, 19 to 120 mm. in standard length. 



Eniwetok Atoll: 7 stations, 14 specimens, 17 to 105 mm. 



Rongerik Atoll: 4 stations, 5 specimens, 23 to 72 mm. 



Rongelap Atoll: 7 stations, 7 specimens, 9 to 50 mm. 



Guam: 3 lots, 14 specimens, 39 to 71 mm. 



Rota: 1 lot, 1 specimen, 44 mm. 



Description. — Certain counts are recorded in table 105. 



Head 2.7 to 3.7; greatest depth 2.5 to 2.8; longest pectoral ray 4.3 

 to 4.5; snout tip to anus 1.8 to 2.0; to dorsal origin 2.3 to 3.5; all in 

 standard length. Snout 2.8 to 3.6 ; eye 3.1 to 5.3 ; postorbital length of 

 head 1.9 to 2.1; interorbital space 3.6 to 4.0; longest pectoral ray 1.3 

 to 1.9; least depth of body 1.6 to 2.0; all in length of head. Distance 

 between anterior and posterior nasal openings 3.5 to 7.0 in snout. 

 Eye 0.7 to 1.5 in interorbital space. 



Dorsal profile of head forming an angle of 55 degrees in young to 

 75 degrees in adults with ventral contour of head; pectoral fin reaches 

 to opposite ninth to eleventh lateral line pore; pelvics with outer 

 rays longest reaching to or past anus but only two-thirds the way to 

 anus in the young; distal margin of caudal fin rounded. 



Color in alcohol. — Adult background coloration blackish or dark 

 brown, with center of each scale darker; dorsal and anal fins blackish 

 with numerous light spots; margin of these fins white; pectoral fin 

 blackish basally paler distally, each ray blackish; pelvics dark brownish 

 or blackish; caudal fin black basally (scaled portion only), then central 

 portion abruptly whitish with a broad blackish new-moon-shaped 

 cross bar bordered by whitish, this black and white area reaching 

 dorsal and ventral edges of fin near its midlength; the distal posterior 

 half of caudal fin margm dusky. 



