23,2 H err e: Philippine Eels 155 



This unimportant East Indian species ranges from Singapore 

 northeast to the Philippines, eastward in the Pacific to the 

 Marshall Islands, and south to the Tonga group. 

 Mursenichthys gymnopterus Bleeker. 



Murxna gymnopterus Bleeker, Verh. Bat. Gen. 25 (1853) Murama 52. 



Murxnichthys gymnopterus Bleeker, Verh. Bat. Gen. 25 (1853) 



Murama 71, Atlas Ichth. Muram. 4 (1864) 32, pi. 6, fig. 1; Weber 



and Beaufort, Fishes Indo-Austr. Arch. 3 (1916) 276, fig. on page 



Murzenichthys microstoma Bleeker, Atlas Ichth. Muram. 4 (1864) 

 32, pi. 6, fig. 2. 

 Depth 23.4 to 33.1 in total length (34 to 25, Bleeker), 3.2 to 

 4 6 in head; head 1.8 to 2 in trunk, 7 to 8 in length; head and 

 trunk together 1.36 to 1.57 in toil; eye from 0.5 to 0.6 as long 

 as snout, 13 to over 15 in head; snout 6.5 to 8.5 m head the 

 wide mouth from 3.7 to 4.2; origin of dorsal nearer anus than 

 gill openings, the distance being from a little less than down 

 to 0.8 the length of head. 



Vomerine teeth large, blunt, rounded, resembling those of the 

 genus Pisodonophis, much larger than those of jaws, in two or 

 four rows, or four rows anteriorly and two posteriorly; inter- 

 maxillary teeth usually contin- q0 ^ ^ ^ 



uous with vomerine, smaller, o §Q ^ jo S| 



more or less pointed, and ar- j£ <& & g0 J 



ranged in a semicircle, about six g <g, g * f | 



in number; maxillary teeth more gg°°p° j \ 



or less irregular, usually with jij °8 S£ / ^ °. 



three rows, the teeth of the 

 inner one like those of vomer 

 but smaller, and an outer row of m 

 sharp-pointed teeth at rear; one 



small specimen has but two irregular row ■ * "*£ ^ 

 mandible with two rows of rather large blunt teeth and third 



*1^J^*^^ *d btot, rounded snout, cylin- 

 ^^^Ta^wtt SI chin to gill owning, then 



