No. 3. — New and little-known Reptiles and Fishes in tJie Museum 

 Collections. By Samuel Garman. 



Hydrophis Semperi sp. nov. 



In a general way resembling H. 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 

 prominences 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 parallel, 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 preocular ; 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 \-\-2-\-'i, 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, frecpiently dissected so as to 

 be similar to those on the flanks. Subcaudals 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, distinct from the 

 neck, subtriangular, crown flat ; tail short, thick, tapering, en<ling in a bony 

 point or spine, which is slightly curved upward. Eye small, pu]nl erect 

 Fangs moderate. Snout with a prominence on the internasal space. The pos- 

 terior faces of this knob are covered by two shields (internasal.s), which meet 



VOL. VIII. — NO. 3. 



