No. 3. — New and little-known Reptiles and Fishes in the Museum 
Collections. By SAMUEL GARMAN, 
Hydrophis Semperi sp. nov. 
In a general way resembling X. fasciatus or H. fischeri. Body elongate, slen- 
der, compressed. Head very little larger than the neck, crown convex, snout 
broad, rounded; tail about one eighth of the total length, moderately broad. 
Eye small, pupil round. Nostrils superior, in the outer posterior corner of the 
nasal, Fangs small. Rostral moderate, nearly as high as broad, reaching the 
top of the snout, convex in front, in contact with four plates, with three 
prominenees on its lower margin, formed by a notch on each side of the mid- 
dle. Nasals large, elongate, grooved from the nostril to the second labial. 
Prefrontals smaller than nasals, broader than long. Frontal little less than 
twice as long as broad, lateral margins nearly parollel, obtuse-angled in front, 
acute behind. Supraciliaries short, broad, hexangular. Parietals broad, 
pentangular, separated by the frontal for about two fifths of their length. 
Labials eight, second more than twice the size of the first and in contact with 
nasal, prefrontal, and preoeular ; third, fourth, and fifth, in the orbit; seventh 
smallest, and separated from the temporal by a large pentagonal plate. No 
loreal. Oculars 1— 2. Temporals 14-24-3, anterior large. — Infralabials 
nine, first two large, first in contact with its opposite behind the small mental. 
Submentals two pairs, anterior larger. Scales smooth, flat, short, broad, imbri- 
cated, in 38 rows at the middle of the body. Ventrals 329, small, generally about 
twice as large as the scales on each side of them, frequently dissected so as to 
be similar to those on the flanks,  Subeaudals 34. Preanals 4, outer larger. 
Black, crossed by narrow bands of white (53 on body, 4 on tail) which do not 
meet on the abdomen, On the middle of the length the white bands are nearly 
half the width of the black spaces separating them, on the vertebral rows. 
A fresh-water species. One of a number secured in Lake Taal, Luzon 
Island, Philippines, by the distinguished naturalist, Dr. Carl Semper, by whom 
it was presented to the Museum. 
Rhinocerophis nasus sp. nov. 
Body moderate, fusiform, belly broad; head moderate, distinet from the 
neck, subtriangular, crown flat ; tail short, thick, tapering, ending in a bony 
point or spine, which is slightly curved upward. Eye small, pupil erect. 
Fangs moderate. Snout with a prominence on the internasal space. ‘Ihe pos- 
terior faces of this knob are covered by two shields (internasals), which meet 
VOL. VIII. — NO. 8. 
