168 U.S. NATIONAL MUSEUM BULLETIN 2 02 Vol. 2 



25 to 41 mm.; Yuro Island, ocean reef, July 31, 1946, S-46-251, 

 Herald, 9 specimens, 23 to 41 mm.; Off Amen Island, lagoon, depth 



30 feet, August 4, 1946, S-46-307, Herald and Brock, 1 specimen, 

 35 mm.; Arji Island, lagoon, depth 20 to 40 feet, August 7, 1946, 

 S-46-308, Herald and Brock, 2 specimens, 32 to 41 mm.; Boby 

 Island, ocean reef, August 17, 1946, S-46-383, Herald, 6 specimens, 

 39 to 41 mm.; Eman Island, channel reef, July 17, 1947, S-46-405, 

 Schultz, Brock and Myers, 6 specimens, 24 to 47 mm.; Amen Island, 

 lagoon reef, July 21, 1947, S-46-442, Brock, Hiatt and Schultz, 6 

 specimens, 15 to 41 mm.; Namu Island, lagoon reef, August 6, 1947, 

 S-46-508, Schultz, Brock and Hiatt, 1 specimen, 22 mm.; Bikini 

 Island, ocean reef, August 16, 1947, S-42-565, Bayer, 1 specimen, 

 29 mm.; Enyu Island, August 19, 1947, Univ. Wash., 1 specimen, 



31 mm. Eniwetok Atoll: USNM 163223, Bogan Island, 1952, 

 H. S. Ladd, 1 specimen 20.5 mm.; Rongerik Atoll: Latoback Island 

 lagoon reef, August 14, 1947, S-1041, Brock, Schultz, and Donaldson, 

 1 specimen, 44 mm. Rongelap Atoll: Millu Island, lagoon reef, June 19, 

 1946, S-46-220, Scliultz and Herald, 10 specimens, 31 to 47 mm.; 

 Kabelle Island, lagoon reef, June 20, 1946, S-46-231, Schultz and 

 Herald, 1 specimen, 30 mm.; Kieshiechi Island, lagoon depth 20 feet, 

 July 24, 1946, S-46-285, Brock and Herald, 2 specimens, 27 to 32 

 mm.; Tufa Island, depth 28 feet; July 29, 1946, S-46-300, Brock and 

 Herald, 1 specimen, 32 mm.; Naen Island, west side, July 30, 1946, 

 S-46-302, Herald, 2 specimens, 25 mm.; Yugui Island, ocean reef at 

 channel, July 31, 1946, S-40-304, Herald, 14 specimens, 27 to 43 mm.; 

 Lomuilal Island, lagoon reef, August 1, 1946, S-46-306, Herald, 3 

 specimens, 31 to 36 mm. Likiep Atoll: Likiep Island, August 22, 

 1949, Univ. Wash., 1 specimen, 37 mm. Arno Atoll: Eonebje Island, 

 July 3, 1950, Strassburg and Hiatt, 2 specimens, 31 and 45 mm. 

 Hawaii; USNM 164420, Kona Coast, Kealakekua, February 9-10, 

 1952, Gosline and Randall. 



Description. — Counts made on the holotj^pe and paratypes are 

 recorded in table 92 (p. 129). 



Precision measurements were made on the holotype and one para- 

 type and these data are expressed in thousandths of the standard 

 length respectively. Standard length 51 and 25.5 mm. Length of 

 head 365 and 400; greatest depth 392 and 314; least depth of caudal 

 peduncle 180 and 176; length of snout 127 and 122; diameter of eye 

 82 and 98; fleshy interorbital space 82 and 90; postorbital length of 

 head 173 and 184; distance between anterior and posterior nostril 

 14 and 16; preorbital distance 55 and 43; length of caudal peduncle 

 161 and 184; snout tip to anus 628 and 576; snout tip to dorsal origin 



