Smith and Seale Fishes from the Island of Mindanao. 79 



TIyrRAOI>ONTII)AE. 



23. Tetraodon patoca Buchanan. 



Six specimens, length, 1.50 to 2.50 inches. Head, 2.50 ; depth, 3 ; dorsal, 

 9; anal, 8; small prickles on back from interorbital space to a line with 

 posterior axis of pectorals, and on belly from chin to near anal spine, other 

 parts naked ; a simple non perforated nasal cavity with two membranous 

 flaps. Color in spirits brownish above, whitish below, a dusky band on 

 anterior interorbital space ; another over back to base of pectoral fins, 

 another at base of s pi nous dorsal ; sides of body with large white spots ; fins 

 white; posterior half of caudal dusky. 



ANABANTIDAE. 



24. Anabas scandens (Daldorff). 



Three fine specimens, length, 5 to 5.20 inches. Head, 3; depth, 2.60 

 without caudal ; dorsal xviii, 7 ; anal,x,9 ; scales in lateral line, 29 ; opercle 

 and preopercle serrated ; vomerine teeth. Color in spirits uniform dull 

 brown. 



OPHIOCEPHALIDAE. 

 25. Ophiocephalus melanopterus Bleeker. 



"AMANU." 



Three specimens, length, 8.75 to 14.50 inches. Head, 3 ; depth, 6; dorsal, 

 40; anal, 25; scales, 54. Color in spirits blackish brown, fins blackish, 

 lower part of head and ventral surface of body whitish with dark brown 

 spots. A large series of specimens will probably show 0. milnnopterus and 

 0. strialus to be identical. 



GOBIIDAE. 



26. Glossogobius giuris (Buchanan). 



Eleven specimens, length, 2.10 to 7.75 inches. Head, 3 ; depth, 5.50 ; 

 scales, 30; dorsal, vii, 9; anal, 9; tongue, forked; no canines; caudal 

 rounded ; about 20 rows of scales in front of dorsal ; ten rows between ori 

 gin of the dorsals. Color inspirits yellowish brown with about 5 indistinct 

 dusky bands over back which alternate with dusky blotches on sides ; 

 dorsals and caudal with rows of black dots; pectorals usually with two 

 dusky blotches on base; ventrals and anal usually yellow, but in some 

 specimens slightly washed with dusky. In general form and color this 

 species resembles G. brunneus of Japan ; the Japanese form, however, al 

 ways has black spots on nuchal region. 



Illana Smith & Scale, gen. nov. (Gobiidsc). 



This genus is characterized by the presence of two distinct barbules on 

 the chin ; teeth in jaws in two series, the outer ones in each jaw enlarged, 

 canine-like; no teeth on vomer, palatines, or tongue; ventrals united; 

 head naked and broad ; tongue emarginate. Type, Illana cacabet. 



