BLENNnDAE: SALARIINAE — SCHULTZ AND CHAPMAN 



347 



dark blotches between spines on distal half. (Hawaiian Is- 

 lands, abundant in tidal pools.) 



I. gibbifrons Quoy and Gaimard 



7b. Dorsal soft rays 18 to 20, usually 19, rarely 20; anal 19 or 20; 



usually 20, rarely 21. 



8a. Females with no dark reticulated lines on lower part of sides, 



distinct vertical double dusky lines representing dark vertical 



bars on sides, 2 or 3 transverse light brown bars on underside 



of head, the third next to rear edge of gill membrane and 



interrupted near midventral line, anterior 2 sometimes 



joined at midventral line or interrupted, front edge of lower 



lip dark brown; males with sides light tan with light brownish 



spots, these more distinct on head and becoming diffuse 



posteriorly, in outer Ys of spiny dorsal fin with dark streak 



composed of dark blotches. (Phoenix Islands, Swains 



Island.) -- I. afllinuchalis, new species 



86. Females with nc dark reticulated lines, vertical bars represented 

 by a series of faint double spots only along ventral side of 

 body near anal fin base, underside of head diffusely pig- 

 mented, rarely with traces of dark pigment spots and no dark 

 bars, front edge of lower lip slightly darker than underside 

 of head but pigment diffuse; males with sides light tan with 

 light brown spots, these most distinct on head and becoming 

 diffuse posteriorly, spiny dorsal fin with small dark spots 

 somewhat arranged in rows. (Northern Marshall Islands.) 



I. rodenbaughi, new species 



Table 113. — Fin ray counts for certain species of Istiblennius and Salarias from 

 the Marshall and Marianas Islands 



» From Phoenix and Samoan Islands, 

 i From Johnston and Hawaiian Islands. 



ISTIBLENNIUS UNEATUS (Cuvier and Valenciennes) 



Plate 11 7, A 



Salarias lineatus Cuvier and Valenciennes, Histoire naturelle des poissons, vol. 



11, p. 314, 1836 (type locality, Java). 

 Salarias muUilineatus Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 97, p. 68, 



fig. 14, 1945 (tjrpe locality, Saipan). 



