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U.S. NATIONAL MUSEUM BULLETIN 2 02 



Vol. 



dark brown; soft dorsal pale, except anterior 3 or 4 rays brownish to 

 tips; caudal dusky basally, the dusky area sometimes extending along 

 lobes a short distance, outer and middle rays with colorless tips; anal 

 dusky brown basaily, usually pale distally; anus black : pelvics and 

 pectorals pale. 



Figure 93.— Pomacentrus traceyi, new species, holotype, USNM 141310, from Rongelap 

 Atoll, Marshall Islands. Drawn by A. M. Awl. 



POMACENTRUS TRACEYI, new species 



Figure 93 



Holotype.— \]^'^M 141310, Rongelap Atoll, Rongelap Island near 

 north end, lagoon coral head at depth of 18 feet, July 25, S-46-286, 

 Brock, Herald, and Kohler, 36 mm. 



Paratypes.—U^'^M 141309, same data as holotype, 10 specimens, 

 27 to 36.6 mm.; USNM 141308, Bikini Atoll, Arji Island, 100 yards 

 off shore, lagoon coral area at depths to 40 feet, poison and spear, 

 Aug. 7, S-46-308, Brock and Herald, 1 specimen, 40 mm. 



Description. — Counts and measurements of the holotype are given 

 first, followed by the range of variation noted in the paratypes (see 

 table 88 for measurements expressed in thousandths of standard 

 length): Dorsal fin rays XIII, 11 (XIII, 10 to 12); anal rays 

 11,12 (11,12); pectoral rays ii,14 (ii,13 or 14); scale rows from upper 

 edge of gill opening to base of caudal rays, 26 (26), mth 3 (2^ or 3) 

 between lateral fine and origin of spiny dorsal, 9 (9) between lateral 



