FAMILY CLINIDAE — SCHULTZ 285 



KEY TO THE SPECIES OF TRIPTERYGION OF THE MARSHALL AND MARIANAS ISLANDS 



la. Head and pectoral fin base without scales, breast naked. 



2a. Pores in anterodorsal lateral line 16 to 19, with 16 to 19 notched scales in 

 posterior lateral line; one small cirrus on each eye. 



T. heminaelas Kner and Steindachner 



2b. Pores in anterodorsal lateral line 11 to 14, with about 19 to 21 notched 



scales in posterior lateral line. 



3a. Pectoral fin with 3 or 4 small brownish pigment spots; males with lower 



parts of head dark and dark pigment cells generally behind head 



on body and on pectoral fins T. minutus Gunther 



3b. Pectoral fin without pigment spots; males with lower parts of head 

 blackish, but body behind pelvics is unpigmented; females unpig- 



mented '^- nanus, new species 



16. Scales on preopercle, cpercle, pectoral fin base, and on area of abdomen in 

 front of anus; dorsal rays IV-XIV-9; anal 11,19; pores in anterior 

 lateral line 14 + 22 in posterior one; 8 scales in a zigzag row around 

 caudal peduncle; a broad orbital tentacle on each eye. 



T. brachylepis, new species 



Figure 109. — Tripterygion hemimelas Kner and Steindachner, female, USNM 50719, after 



Jordan and Scale. 



TRIPTERYGION HEMIMELAS Kner and Steindachner 



Figure 109 



Tripterygium hemimelas Kner and Steindachner, Sit.?b. Akad. Wiss. Wien, vol. 



54, pt. 1, p. 371, 1866 (type locality, Samoan Islands). 

 Enneaptcrygms cerasinus Jordan and Seale, Bull. U. S. Bur. Fish., vol. 25 (1905), 



p. 419, fig. 100, 1906 (type locality, Apia, Samoa; USNM 51802, a female). 

 Tripterigion atriceps Jenkins, Bull. U. S. Fish Comm., vol. 22 (1902), p. 505, fig. 



46, 1903 (type locality, Honolulu; holotype USNM 50719, a male, and par- 



atypes USNM 51165 and 126693). 

 Enneapterygius fuligicauda Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 98, 



p. 188, fig. 52, 1946 (male; Riu Kiu Islands; ANSP 72062-64, types studied). 

 Enneapterygius macrobrachium Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 



98, p. 189, fig. 53, 1946 (female; type locality, Riu Kiu Islands; ANSP 



72065, holotype, studied). 



SPECIMENS STUDIED 



Bikini Atoll: 5 stations, 9 specimens, 12 to 20 mm. in standard length. 

 Rongerik Atoll: 3 stations, 4 specimens, 19.5 to 21 mm. 



