RHINOGOBIUS 189 



the teeth of outer row in upper jaw enlarged and widely spaced ; 

 behind them four rows of minute teeth ; in lower jaw four rows 

 of minute teeth with a short outer row of enlarged teeth, ter- 

 minating on each side in a stout backward-curved canine; the 

 body covered with ctenoid scales, the head naked; in front of 

 first dorsal about three rows of smaller scales, which curve down 

 to preopercular groove and forward along it a short distance, 

 the nape largely naked; the breast and pectoral bases covered 

 with cycloid scales; pores occur on head as in C. criniger; the 

 height of first dorsal is f to 0.9 the depth, the second dorsal 

 spine elongate with threadlike tip, its length a little more than 

 head, or even ^ longer; the posterior rays of second dorsal 

 elongate, equal to depth, the fin angulate posteriorly; the anal 

 similar in shape and nearly or quite as high ; the depth of caudal 

 peduncle 2.5 times in head and nearly twice in its own length; 

 the caudal a trifle shorter than head, about 4 times in length; 

 the pectoral about equal to depth; the ventrals equal or exceed 

 pectoral, and reach the slender, notched anal papilla or the anal 

 fin. 



The color in alcohol brownish yellow, with five dark brown 

 lateral blotches along middle, the last on base of caudal; there 

 are five broad saddlelike crossbars, two predorsal, and one under 

 first dorsal, one under second dorsal, and one just behind it; 

 each of the bars under dorsal fins sometimes divided into two; 

 the head irregularly blotched with dark brown spots ; a dark bar 

 from eye to upper lip and continued on underside of lower jaw 

 to meet a similar one on the other side ; the'first dorsal has a very 

 broad blackish crossbar ; the second dorsal has four to six cross- 

 bars of blackish brown spots; the anal has a broad blackish 

 margin ; the pectoral has a circular brown spot on upper part of 

 base and several crossrows of small brown spots which usually 

 disappear ; the ventrals blackish ; the caudal conspicuously cross- 

 barred with about six rows of dark brown spots. 



The Bureau of Science collection contains the following speci- 

 mens of this species : 



Vigan, Ilocos Sur Province, 17. Kanoan, Siquijor, 1. 



San Fabian, Pangasinan Prov- Cuyo, 1. 



ince, 2. Cagayan, Misamis Province, 



Malabon, Rizal Province, 9. 6. 



South coast of Luzon, 1. Caldera Bay, Zamboanga Prov- 



Molo, Iloilo Province, Panay, 1. ince, 1. 



Dumaguete, Oriental Negros Davao, Mindanao, 7. 



Province, 1. 



