317 
A 
Analysis of Genera 
. Oscyporharnnhinae . Pectoml short, not reaching ventrel; 
lower jaw prominent, with symphyseal point, as distinct 
* 
beak in young.—Ox yporhamphu s. 
2 
— > Exocoetinae . Pectoiral longer, reaching dorsal or caudal; 
lower jaw not prominent. 
i . Teeth on tongue; scales large, less than 40; pectoral 
moderate; yentral shorter than head.-— Parexoooetus . 
1,2 
i , No teeth on tongue or vomer, present or absent on 
palatines; scales more than 40; pectoral longer, 
nearly reaches caudal, 
_ • Ventral much shorter than head, inserted much 
nearer snout than caudal base.——— Exocoetus . 
Ventral long as or longer than head, inserted much 
nearer caudal than snout.-—-—— Cypseliirus. 
Genus Oxyporhamphus Gill 
Oxyporhamphus GILL, Proo. Acad, Nat. Sci, Philadelphis, 1863, 
p, 273. (type Hemiramphus ouspidatus VALENCIENNES, orth^typic.) 
Evo'lantia SNODGRASS and HELLER, Proc, Washington Acad. Sci., vol. 
5, p. 189, 1903. (Type Exocoetus micropterus VALENCIENNES 
monotypic,) 
