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DESCRIPTIONS OF THREE NEW PAPUAN SNAKES. 
By J. Douglas Ogilby. 
Hypaspistes, gen . nov . 
Body very much elongated and compressed; tail of moderate length, 
rounded, or but slightly compressed anteriorly, prehensile. Head 
quadrangular, completely shielded, distinct, but not markedly so, 
from the neck. Snout rather short. Eye of moderate size, the 
pupil eliptical. Nostril lateral, pierced in a single nasal which is 
grooved behind. Shields regular, the occipitals increased in 
number to three pairs ; loreal present. Scales smooth, quadri- 
lateral, the vertebral series not dilated. 
Hypaspistes dipsadides, sp. nov. 
Scales on the body anteriorly in thirty, posteriorly in twenty- 
three series ; the series bordering the abdominal plates much the 
largest ; abdominal plates three hundred and twenty-seven ; anal 
plate single ; sub-caudal plates in two rows of one hundred and 
seventeen each, preceded by a semicircular band of eleven small 
scales. Head very distinct from neck. Muzzle of moderate 
length, broad, very obtuse, and rather depressed ; the occiput 
rounded. Eye lateral, the outer skin rather opaque, the pupil 
elliptical and erect. Body slender in front, becoming much 
higher behind. Skin of the throat loose, forming a distinct 
