Hypaspites, 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, quadrilateral, the vertebral series not dilated.
Hypaspitest dipsadies sp. nov.
Scales on the body anteriorly in thirty, posteriorly in twentythree series; the series bordering the abdominal plates much the largest; abdominal plates three hundred and twenty-seven;