268 GOBIES OF THE PHILIPPINES 



The body very elongate, with a notably elongate caudal pe- 

 duncle, very strongly compressed, especially the tail which is 

 |$ of the total, longer than head and trunk together, the depth 

 10.66 times in length ; the large, blunt, oblong head 4.8 times in 

 length, its breadth a trifle more than half its length and greater 

 than its depth, which nearly equals that of body ; the long, convex 

 snout broadly rounded, 2.8 times in head ; the eyes laterodorsal, 

 in a large bony pit, twice in snout and 5.7 times in head; the 

 interorbital 1& times in eye, 2 times in snout; the mouth very 

 large, with thick lips, moderately oblique, the posterior angle of 

 maxillary beneath pupil of eye ; the teeth coarse, stout, not very 

 long, in two rows in each jaw, reduced to one row posteriorly, the 

 teeth in upper jaw a trifle lower than those below; the scales 

 as given for the genus ; the first dorsal of nearly uniform height, 

 the tips of the spines filiform, not quite equaling depth, 2.28 

 times in head, not reaching second dorsal when depressed; the 

 second dorsal longer posteriorly, the next to the last ray longest, 

 the last two rays with elongate tips, 1.9 in head; the anal similar 

 to second dorsal, but scarcely as high, the last two rays elongate, 

 2 in head; the depth of the long, slender, caudal peduncle 4.4 

 times in its own length, which is 0.1 longer than head, and 0.44 

 of the length of tail ; the long, narrow, pointed caudal fin 1.225 

 times the length of head and 3.9 times in total length; the pec- 

 torals pointed, a little more than 1.5 times in head; the ventrals 

 broad, round pointed, 0.6 of the length of head and reaching a 

 little more than halfway to anus ; the anal papilla long, conical. 



The color in alcohol uniform light brownish, paler beneath, 

 the caudal blackish ; a pale lunate mark near base of caudal rays ; 

 the soft dorsal has four longitudinal rows of elongate brown 

 spots; the other fins uniform very pale yellowish. 



Here described from a specimen, 192 millimeters long, or 242 

 millimeters including caudal fin. It was obtained at Amoy by 

 Light. This fish occurs from southern Japan to the coast of 

 southern China. 



Genus 54. ILLANA Smith and Scale 



lUana SMITH and SEALE, Proc. Biol. Soc. Washington 19 (1906) 79. 

 This genus is characterized especially by the presence of two 

 fleshy barbels on chin; the mouth small, oblique, with projecting 

 lower jaw; in upper jaw is a row of large, stout teeth, followed 

 by three rows of minute, depressible teeth; in lower jaw is an 

 outer row of stout teeth much smaller than those of upper jaw, 



