FISHES OF BORNEO. 267 



ramily r.KI.( »N1]).K. Needlelislics. 

 Tylosurus strongylurus (Kuhl and \an ITiis.selt). 



Hcail '.'.()(); eye ;> in iKisfoeiilar [lordon of head; ()i'i,t;in of \('iitra]s 

 midway lietween origin oi' |iee(oi-als and middle of base of anal. Nos. 

 ■-^'i.'iS and ■Jli9() ; length, •>,")() millimeters. 



This species is easily distingiiislicd liy the round black spot on the 

 base of the rays of caudal. 



.\ food-fish of Borneo: also recorded from the Philippines. 

 Tylosurus anulatus (Cav. and Val.). 



Head l> ; eye 2 in postorhital portion of head; origin o[ ventrals 

 midway between end of I'audal vertebra and anterior margin of eve. 



Color silvery, washed with brownish above; pectorals, dorsal, caudal, 

 and anterior part of anal, dusky, Xos. 2667 and 271<S ; length, 290 to 

 .'ilHi millimeters. 



.V food-fish of Borneo; also recorded from the Philip])inc^. 



Family E.\( KirETIl >.K. Half-beaks and Flying-fishes. 

 Zenarchopterus buffonis Ciiv. and Val. 



Head 4; depth (i ; eye ].."i() in postorhital portion of head; snout 2 in 

 head; interorbitaJ space cunsidei-ably greater than eye; dorsal 11; anal 

 12; origin of ventrals niidwa\ between tip of caudal and the posterior 

 margin of operele. Prolonged jiortion of under jaw beynnd the upper 

 3.1.") in head. Length from ])ostei'i(ir margin of ojierclc to tip of under 

 jaw mneh less than from posterior margin of opeiclc to end of caudal 

 vertebra. Xos. 2622, 2672, and 26!)!); length, 170 to 21.5 millimeters. 



.V small brackish-water fish, dried and sold for food in considerable 

 numbers in Borneo ; also recordi'd from the Philippines. 



Hemirhamphus gaimardi (Cuv. and A'al.). 



Head 4.2.") ; depth 1.7.") in head ; exjio^ed umler jaw, beyond tlie upper, 

 1.75 in head; ventrals located midway between end of caudal vertebra 

 and anterior margin of eye; dorsal 15; anal 15; origin of dorsal \'eiy 

 slightly in advance of origin of anal; carrdal forked. 



Color silvery, bluish abo\'e; a blue and a silver line along the side; tip 

 of do)-sal and posterior portion of caudal dusky. Xos. 2-17;!. 2640, 26(i4 

 and 2666; length, 145 to 195 millinidcrs. 



.V food-fish of Borneo; also rccoided from the Pliilip|)incs. 

 Zenarchopterus dux Spate, .sp. iin\-. Plate 11. fig. i. 



Head, from tip of upper jaw. 4 to end of caudal \erlebra; lower jaw, 

 bevond the upper, 3 to end of vei'tebra ; posterior margin of (i|)i'i'cle 

 midway between tip of biwi'r jaw and end of caudal vertclna ; dorsal 12 ; 

 anal 14, the 6th ray modified into an intromittent organ; scales in lateral 

 series 41, about 45 in lateral line, 6 in \"eriical sei'ics; eye :].75 in bead; 



