70 U.S. NATIONAL MUSEUM BULLETIN 202 Vol. 2 



preopercle produced at angle, its posterior margin entire, with some 

 irregular crenulations observable at angle in many specimens; no 

 scales on bases of soft dorsal and anal; upper and lower caudal rays 

 filamentous, 3 free spines on upper and lower caudal base ; profile angle 

 (measured with one side of angle along closed lower jaw to snout and 

 the other side from snout to nape above gill opening) 75 to 83 degrees. 



Color in alcohol. — Head and upper half of body bluish gray or brown- 

 ish; lower sides and belly lighter, pale to silvery; along naked area 

 from eye just under nostril toward middle of snout, a narrow dark 

 to bluish line; lips dusky, especially at tips of jaws; iris faintly bluish; 

 spiny dorsal membrane dusky basally, dusky to clear hyaline distally, 

 spines dusky; soft dorsal and anal rays dusky, membranes dusky to 

 clear, hyaline; upper and lower caudal rays brownish, middle rays 

 dusky basally, pale distally; pelvics pale to dusky; pectorals pale 

 except at base, where upper rays are usually dusky, axil of pectoral 

 pale to dusky, never dense black. 



Color when alive. — Dorsally bright bluish green, ventrally paler 

 or grayish white; a blue-green line across upper part of eye to snout 

 and a second line from anterior margin of eye just below nostril to 

 snout; upper and lower caudal rays greenish, outer margin dusky, 

 middle rays greenish on scaled portion; small round blue-green spots 

 sometimes present on head and on each scale of body. 



CHROMIS ATRIPECTORALIS Welander and Schnltz 



Plate 85, A 

 Chromis afripectoralis Welander and Schultz, Journ. Washington Acad. Sci. 



vol. 41, No. 3, p. 107, fig. 1, 1951 (type locality, central and western tropical 



Pacific). 

 Chromis caeruleus (in part), Jordan and Seale, Bull. U. S. Bur. Fish., vol. 25 



(1905), p. 290, ? pi. 46, fig. 1, 1906 (Samoan Islands; color descriptions for 



specimens numbered 2, 4, and 6, with pectoral axil black, appear to be this 



species). — Montalban, Bur. Sci. Manila Monog. 24, p. 35, pi. 8, fig. 



2, 1927 (Philippine Islands). 

 Heliastes lepidurus GiInthbr, Journ. Mus. Godeffroy, vol. 15 (Fische der Siidsee, 



pt. 7), p. 238 (in part), pi. 128, fig. C, 1881. 



SPECIMENS STUDIED 



The following list includes holotj'pe, paratypes, and nontype specimens: 



Bikini Atoll: 2 stations, 25 specimens, 22 to 76 mm. in standard length. Univ. 

 Washington, 5 lots, 21 specimens, 36 to 83 mm. 



Rongerik Atoll: 2 stations, 13 specimens, 23 to 49 mm., 1 lot, Univ. Washing- 

 ton, 1 specimen, 28 mm. 



Rongelap Atoll: 2 stations, 44 specimens, 30 to 70 mm. 



Eniwetok Atoll: 1 station, 8 specimens, 28 to 67 mm., 2 lots, Univ. Washington, 

 2 specimens 47 to 53 mm. 



Likiep Atoll: Univ. Washington, 1 lot, 11 specimens, 27 to 52 mm. 



Guam: 3 lots, 85 specimens, 9 to 60 mm. 



