blenniidae: salariinae — schultz and chapman 327 



than others in lower jaw; no vomerine teeth; posterior margin of 

 caudal fin truncate or nearly so; no cephalic crest; a vertical line 

 through front edge of upper lip passes through front edge of pupil, 

 the eyes and forehead far forward; all fin rays unbranded. 



Color in alcohol. — Background coloration light brown; a dusky 

 streak beginning about opposite middle of spiny dorsal base a little 

 below lateral line and on level of pupil extends forward to rear edge 

 of eye, midsides of body with 8 or 9 narrow dusky vertical bars that 

 extend to base of dorsal fin, and some of them brealdng up to form 

 10 or 1 1 dorsally ; the last bar is V-shaped with the open end posteriorly 

 and continuing a short distance out on base of caudal fin; edges of 

 both lips dusky; anal fin submargmally with a dusky streak, tips of 

 rays white. 



Ecology. — This species was found among coral heads in water from 

 18 to 25 feet depth. It was never taken in the tidal zone on the reefs. 



Genus ENTOMACRODUS Gill 



Entomacrodus Gill, Proc. Acad. Nat. Sci. Philadelphia, vol. 11, p. 168, 1859 



(type species, Entomacrodus nigricans Gill). 

 Salariichthys Gtjichenot, Mem. Soc. Sci. Nat. Cherbourg, vol. 13, p. 96, 1867 



(type species, Salarias vomerinus Cuvier and Valenciennes). 



This genus is recognized by the row of very small short bluntly 

 conical teeth on head of vomer. See table 111 for fin-ray counts of 

 various species of the genus. 



KEY TO THE SPECIES OF ENTOMACRODUS FROM THE NORTHERN MARSHALL AND 



MARIANAS ISLANDS 



la. Orbital tentacle, single, simple, its length usually from 1.1 to 2 times diam- 

 eter of eye, rarely with a single cirrus on inner edge; middle third of 

 edge of upper lip crenulate, lateral third smooth; a dark spot on dorsal 

 fin membrane between first two spines; posterior canines minute, 

 barely piercing skin of jaw. 

 2a. Dorsal rays XIII, 16 or 17; anal 11,18; nasal flap without cirri. (Japan, 



Okinawa, Marianas.) E. stellifer (Jordan and Snyder) 



26. Dorsal rays XIII, 15; anal 11,16 or 17; nasal flap with a few cirri. (Singa- 

 pore; Amoy, China.) E. light! (Herre) 



16. Orbital tentacle equal to or shorter than eye, its inner edge with from 2 to 7 



cirri (in young, only 1), edge of upper lip not as above; posterior pair of 



canines in lower jaw well developed; no prominent black spot between 



first two dorsal spines. 



3a. (See 36 and 3c) Edge of upper lip smooth throughout its length; orbital 



tentacle with 2 or 3 cirri on its inner edge, none on outer edge; nuchal 



cirrus small, sometimes absent but usually present; a small black spot 



a little behind eye; background coloration whitish or light tan with 



traces of dusky pigment forming a few faint spots along sides, the 



most persistent one opposite tips of pectoral rays. 



E. thalassinus (Jordan and Sesle) 

 422142—60 22 



