. Bulletin - United States National Museum. Science. 192 NATIONAL MUSEUM BULLETIN 2 02 VoL 2 Islands. By this means the following species were eliminated: amhlyce'phalus, hardwickei, umbrostygma, and quinquevittata. The single specimen of lunare has ii,13 pectoral rays, 6 rakers on upper part of first gill arch whereas the young of lutescens with a black lateral streak have ii,14 or 15 pectoral rays and 8 rakers on upper part of first gill arch. Of the three species left as possibilities in the Marshall Islands fauna, lutescens, fuscum, and purpureum, the juvenile color patterns of the la
. Bulletin - United States National Museum. Science. 192 NATIONAL MUSEUM BULLETIN 2 02 VoL 2 Islands. By this means the following species were eliminated: amhlyce'phalus, hardwickei, umbrostygma, and quinquevittata. The single specimen of lunare has ii,13 pectoral rays, 6 rakers on upper part of first gill arch whereas the young of lutescens with a black lateral streak have ii,14 or 15 pectoral rays and 8 rakers on upper part of first gill arch. Of the three species left as possibilities in the Marshall Islands fauna, lutescens, fuscum, and purpureum, the juvenile color patterns of the last two have not, to my knowledge, been con- nected with the adults. «-ft-«;^. Figure lOL—Young of Thalassoma amhlycephalus {^=marnae), holotype, USNM 115563, from Hull Island. Drawn by A. M. Awl. THALASSOMA AMBLYCEPHALUS (Bleeker) Figures 100,e, 101; Plate 91,C Julia amhlycephalus Bleeker, Nat. Tijdschr. , vol. 11, p. 83, 1856 (type locality, Java; Celebes); Atlas ichthyologique, vol. 1, p. 90, pi. 33, fig. 6, 1862 (Java; Celebes) Julia melanochir Bleeker, Act. Soc, Sci. Indo-N6erl. vol. 2, p. 77, 1857 (type locality, Amboina); Atlas ichthyologique, vol. 1, p. 89, pi. 33, fig. 2, 1862 (Amboina) Thalassoma marnae Schttltz, U. S. Nat. Mus. Bull. 180, p. 203, fig. 17, 1943 (type locality, Phoenix and Samoan Islands, holotype USNM 115563; young). SPECIMENS STUDIED Bikini Atoll: 2 stations, 5 specimens, 26 to 54 mm. in standard length. Rongerik Atoll: 1 station, 1 specimen, 44 mm. Kwajalein Atoll: 1 station, 16 specimens, 27 to 54 mm. Description.—Certain counts are recorded in table 101. The fol- lowing description is based on the young, since no adults of this species were captured in the area under study. Head to ; greatest depth to ; longest pectoral ray to ; snout tip to anus to ; snout to dorsal origin to ; all in standard length. Snout to ; ej^e to ; postorbital length of head to ;interorbital space 3.
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