1897.] NATURAL SCIENCES OF PHILADELPHIA. 69 



ESOCIDJE. 



Tylosurus strongylurus (Bleeker). 



Mastacembelus strongylurus Bleeker, Ned. Tidschr. Dierk. Ill, 1863 

 ( Guntker\ 



Belong strongylurus, Giinther, Cat. Fishes, VI, 246,* 1866 ; Day, Fishes of 

 India, p. 512, pi. 118, fig. 6, 1888. 



Three specimens, 11 in. long. 



Head 3, D. 14; A. 17; P. 11. 



As described by Giinther, Cat. Fishes, VI, 246. 



Eye equals interorbital space 3 in postorbital part of head. 

 Lower jaw slightly projecting, with fleshy tip. Depth 1J in length 

 of pectoral ; pectoral equals postorbital part of head. Ventral 

 nearer head than caudal. Caudal truncate or slightly rounded. 



HEMIRAMPHIDJE. 



Hyporhamphus sinensis (Giinther). 



Hemirhamphus sinensis Giinther, Cat. Fishes, VI, 265, 1866. 



One specimen, 6 inches long. 



Head 2|, depth 9 ; D. 15 ; A. 15 ; P. 11. 



OPHICEPHALIDJS. 



Ophicephalus maculatus (Lacepede). 



Bostrychus ?naculatus Lacepede, Hist. Nat. Poiss.,111, pp. 140, 143, 1802. 

 Ophiocephalus maculatus, Cuvier & Valenciennes, 7, 437, 1831 ; Giinther, 

 Cat. Fishes, III, 480, 1861. 



One specimen, 7 \ in. long. 



Head 3£, depth 5*, eye 7 ; scales 6-56-12 ; D. 44 ; A. 30. 



Channa ocellata Peters. 



Channa ocellata Peters, Monatsber. Acad. Wiss. Berl., 1864, 392. 



Head 3f, depth 6i, eye 5 ; D. 45 ; A. 29 ; scales 6-56-11. 



All teeth in lower jaw about equal in size, in a single series, ex- 

 cept in front, where they form a band. Teeth in two series on pal- 

 atines, two or three on vomer, and in a band in upper jaw. Eye 

 equal to snout. Interorbital nearly flat, its width 3J in head. 

 Maxillary extending beyond orbit, 2k in head. Preorbital very 

 narrow, its narrowest portion about as wide as maxillary. A short 

 barbel, f length of eye, on each side of snout. Scales on top of 

 head rather large, f diameter of eye, seven scales between eye and 

 angle of preopercle. A simple accessory respiratory organ without 

 very well developed closing membranes, there being only a slight 

 fold from opercle to upper part of first gill arch, and a process from 

 one of the suspensory bones and a small process from the gill 



