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Show 216 MR. W. T. BLANFORD ON REPTILES Lycodon aulicus. Singapore, Macassar. *Ophites subcinctus. Singapore. Python reticulatus. Singapore. * curtus. Singapore. *Naja tripudians. Singapore. Ophiophagus elaps. Singapore, Perak. Bungarusfasciatus. Singapore. semifasciatus. Honkong. Callophis bivirgatus. Singapore. [Feb. 1, Singa- * Callophis intestinalis. pore, Macassar. Platurus scutatus. Singapore. *Hydrophis stokesi. Singapore. viperina. Macassar. Pelamis bicolor. Singapore. Trimeresurus gramineus. Singapore. erythrurus. Singapore. wagleri. Singapore, Se-langore. *Rana macrodon. Megalophrys nasuta. AMPHIBIA. BATRACHIA. *Rhacophorus dennysi, sp. nov. Bufo melanostictus. HYDROSAURUS, sp. Two young specimens of Hydrosaurus, of nearly the same size (13 and 14 inches long), occur in the collection. One of these is an undoubted example of the common H. salvator; the other differs somewhat both in the character of the head-scales and in coloration. The general proportions and the scales of the body, tail, and limbs appear similar in the two examples ; there are about 80 transverse rows of ventral shields between the gular fold and the loin in the specimen agreeing with H. salvator, 77 in the other. The differences in coloration, taken by themselves, would not be of much importance, there being some variation in most Monitors. The doubtful specimen is darker ; the alternating rings of dark brown and white on the tail are more broken up into rows of spots ; and narrow white rings occur in the intervals between the broader bands, whilst the white cross bands above the snout and the dark cross bands on the chin are wanting ; they are, however, indicated on the sides of the head. The more important distinctions are that the scales on the crown of the head in the abnormal specimen are smaller and marked by a central depression, and the enlarged superciliary scales are more numerous, 8 to 10 in number, instead of 5 or 6, and marked with a few comparatively large impressed dots instead of several minute spots. How far these characters are constant it is impossible to say without more specimens. It is probable that the two specimens are from different localities. EUMECES CHINENSIS. Tiliqua chinensis, Gray, Ann. Nat. Hist. ii. p. 289. Mabouia chinensis, Gunther, Rept. Brit. Ind. p. 83. There is a single specimen, without locality, which must, I think. be referred to this species, though it presents several peculiarities. |