8 BULLETIN OF THE BUREAU OF FISHERIES. 



Family SILUKID^. 



NETUMA Bleeker. 



26. Netuma nasuta (Bleeker). 



Head 3..T() in length; depth -1.50; barbels 6; maxillary barbel single; dorsal i, 7; anal 17. Teeth villi- 

 form, those of palate in subtriangular patches, as in Bleeker's figure. Three specimens from Cavite, length 

 7 to 12 inches. In all of these specimens the spines have been broken off by the fishermen. 



Family PL0T0S11).€. 



PLOTOSUS Lacepede. 



27. Plotosus anguiUaris (Bloch). 



Head 4.7.5 in length: depth 8; barbels 8. Color in spirits brown, with 2 longitudinal pale bands. Four- 

 teen specimens from Manila, length 3 to 6.25 inches. 



Family CLARIID^. 



CLAKIAS Gronow. 



28. Clarias magur (Hamilton-Buchanan). 



Head 3.30 in length; depth 1.75; barbels 8; top of head entirely ossified except the small fontanelle. 

 Dorsal 65: anal .53; pectoral .spine finely serrated, hidden under the skin. 



Family BELONID.^. 



TYLOSURUS Cocco. 



29. Tylosurus leiurus (Bleeker.) 



Head 2.75 in length: depth 4.30 in snout; eye 2.75 in postorbital part of head: snout 4 in length without 

 caudal. Dorsal 19; anal 23: insertion of dorsal over the eighth to ninth anal rays; caudal truncate; no 

 teeth on vomer. Color in spirits bluish above, silvery below, a silvery and blue band along side; no keel 

 on caudal peduncle. One specimen from Cavite, length 14 inches. 



30. Tylosurus giganteus (Schlegel). 



Head 2..30 in length; depth 3.30 in snout; eye 2.10 in postorbital part of head. Dorsal 24; anal 21; 

 origin of dorsal very slight!}' posterior to origin of anal: caudal with lower lobe prolonged. Color in spirits 

 blui.sh green above, silv(>ry below, a blue line on side. Two specimens from Cavite, length 11.75 inches. 



Family EXOCffiTlD^. 



HEMIRAMPHUS Cuvier. 

 31. Hemiramplius quoyi Cuvier & Valenciennes. 



Head 4.75 in length; exposed lower jaw 1.5(J in head; depth 8.50; doi-sal 16; anal 15; scales about 52. 

 Color in spirits bluish above, a blue line on side; top of dorsal and tip of caudal bluish. Seven specimens 

 from Cavite. length 4 to 8.75 inches. 



32. Hemiramphus cantoris Bleeker. 



Head 5 in length; exposed lower jaw 2.75; depth 0.50; dorsal 15; anal 15; caudal forked. Color in 

 spirits yellowish white, side with a wide blue band; tip of caudal dusky; lower jaw and top of head dusky. 

 Four specimens from Cavite, length 4 to 5.50 inches. 



