80 Smith and Seale Fishes from the Island of Mindanao. 



27. Illana cacabet* Smith & Seale, sp. nov. 



Head, 3.75; depth, 6 in length without caudal ; dorsal, vi, 10; anal, 10; 

 a series of eight scales between origin of soft dorsal and anal ; scales, 30 

 from upper margin of opercle to end of vertebrae ; snout, 3.20 in head ; in- 

 terorbital less than eye. Body moderately elongate, compressed ; snout 

 rather rounded, the lower jaw slightly the longer ; width of head, 1.30 in 

 its length, its depth 2 in its length; cheeks fat, the lower half of cheek crossed 

 by 5 or 6 longitudinal lines of minute warts, with one or two oblique rows 

 at each end of these lines, probably the openings of mucous pores ; tongue 



Illana cacabet Smith & Seale, sp. nov. 



rather deeply emarginate ; teeth small, with the outer row in each jaw en 

 larged, canine-like; maxillary ending on a line with anterior margin of 

 eye; chin with two barbules about equal in length to diameter of eye ; a 

 shallow longitudinal groove in nuchal region extending to snout ; head 

 without scales ; scales of body adnate, those of nuchal region small, about 

 15 in front of dorsal, a series of 10 between the origins of the dorsals ; spin- 

 ous dorsal with the second spine elongate, in males extending to or beyond 

 middle of soft dorsal; longest dorsal ray, 1.60 in head; pectorals, 1.10 in 

 head ; ventrals, 1.35 in head ; origin of anal fin midway between tip of 

 snout and base of caudal ; anal papilla distinct ; base of anal, 1.20 in head 

 its longest ray 1.75 in head ; caudal rounded, 1.10 in head. 



Color in spirits yellowish below, brown above, with about three indistinct 

 dusky bands over back and 5 dusky blotches along the sides, one at base 

 of caudal, one on middle of caudal peduncle, one under posterior of soft 

 dorsal, one under anterior of soft dorsal, and the anterior one under the 

 anterior half of spinous dorsal ; no bluish marking or spot on shoulder ; 

 two or three irregular brown lines connecting these blotches more or less ; 

 some irregular fine brown dots and lines on head and cheeks ; dorsal fins 

 with rows of brown dots forming oblique lines, less distinct on spinous dor 

 sal; caudal with brown vertical bands, the four upper rays white at base ; 

 pectorals, ventrals, and anal bluish. 



Three specimens, length, 3 to 3.25 inches. The type is a male, length 

 3.25 inches, from the Rio Grande in Mindanao, No. 55,622, U. S. National 

 Museum. 



* Cacabet is a Philippine name for the goby. 



