FISHE(S OF THE PHOENIX AND SAMOAN ISLANDS 163 



115122, Tutuila Island, reef at ^.lofau, June 3, 1939, 5 specimens. 



115123, Tutuila Island, reef at Pagai, L. P. Schnltz and Frank Taiga, June 4, 

 1939, 19 specimens. 



11512G, Rose Island, reef, June 11-14, 1939, 16 specimens. 



115119, Hull Island, channel, July 8-12, 1939, 45 specimens. 



115120, Hull Island reef, July 12-15, 1939, 22 specimens. 

 11.5118, Hull Island, channel, July 7-17, 1939, 7 specimens. 

 450S6, Ellis Island, Samoa, Lord Lilford, 2 specimens. 

 52341, Apia, Samoa, Jordan and Kellogg, 7 specimens. 

 83273, Samoa, Wilkes Exploring Expedition, 1 specimen. 



ACANTHURUS RACKLIFFEI. new species 

 FlGtTRE 13 



Holotijpe. — A specimen (U.S.N.M. No. 115174; field number 

 U-01059) 150 mm. in length from tip of snout to base of caudal fin 

 rays, taken from a pool on the reef of Hull Island, July 14, 1939, by 

 L. P. Schultz and Charles Rackliffe. 



^i«t- 



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Figure 13. — Acanthurus rackliffei, new species: Holotype (U.S.N.M. 115174), 150 mm, 



in standard length. 



Also, two paratypes wore collected at Hull Island, one (U.S.N.M. 

 No. 115175; field number U-01021) 161 mm. in standard length, taken 

 July 13, 1939, at outer edge of reef, and the other (U.S.N.M. No. 

 115176) 67.8 mm. in standard length, from the channel leading from 

 the ocean to the lagoon, July 7-17, 1939. 



Desoription. — (Measurements and counts of the holotype are given 

 first, and in the parentheses appear measurements and counts of the 

 two paratypes, respectively. All measurements are expressed in 

 hundredths of the standard length.) Length from tip of snout 

 (teeth in this case) to base of caudal fin rays 150 (161; 67.8) mm. 

 Greatest depth of body 59.3 (55; 01.8). Lengtli of head, from tip 

 of snout to upper edge of gill opening 30.9 (28; 36.2). Length of 

 snout 23.6 (22.4; 24.5). Diameter (greatest) of eye 8.5 (7.3; 11.0). 



