OCR Text |
Show 170 DR. A. GUNTHER ON REPTILES AND BATRACHIANS [Feb. 4, the upper reaching the upper surface of the head but not the vertical ; two postoculars. Temporals 2 4-2, or 24-24-2. Ventrals 205 ; anal bifid, subcaudals 119. Upper parts brownish-olive, nearly all the scales with black margins; lower parts whitish, the posterior part of the belly and the subcaudals black. One specimen was obtained by Dr. Meyer in Luzon ; it is 8 2 feet long, the tail measuring 26 inches. TROPIDONOTUS MANADENSIS. Allied to T. stolatus, but with the anterior frontals obtuse in front. Scales in nineteen rows, strongly keeled, except those of the outermost series. Head somewhat depressed, and rather dilated behind ; eyes of moderate size, Loreal large, a little longer than deep. One prae-, three postoculars. Eight upper labials, the third, fourth, and fifth entering the orbit. Temporals 2 + 3. Ventrals 138 ; anal bifid ; subcaudals 76. Dentition diacranterian. Upper parts brownish olive; a very indistinct broad darker band runs along the back. The uppersid'e of the head and neck are uniform greenish olive, and behind bordered by a horseshoe-like black band, with the convexity directed backwards, and its branches running downwards on the sides of the neck ; tbe parts immediately behind this band are yellowish. A rather irregular series of black spots along each side of the anterior portion of the abdomen, the remainder of which is white. The sutures between the upper labials black. One specimen, 18 inches long (tail 5 inches) has been obtained by Dr. Meyer at Manado. TROPIDONOTUS CALLISTUS. (Plate XVII. fig. C.) Scales in 21 series, all strongly keeled, not emarginate behind. Head rather deep and short; eye large. Anterior frontals longer than posterior; occipitals as long as vertical and posterior frontals together, rounded behind; loreal deeper than long; the single anterior ocular reaching to the upper surface of the head, but not to the vertical; four postoculars. Nine upper labials, the fourth, fifth, and sixth entering the orbit; temporals 2-1-2. The posterior chin-shields longer than the anterior, and much divergent. Ventrals 156 ; anal divided ; subcaudals 76. Maxillary teeth in a continuous series, the posterior scarcely longer than the preceding. A greenish-olive band commences from a bright yellow spot on the neck, runs, four scales broad, along the median line of the back and the tail; it is bordered on each side by a dark brown band, seven scales broad in the middle of its length, encroaching with its zigzag outline upon the median dorsal band. The outermost series of scales and the corners of the abdominal shields are yellow, this colour forming another straight narrow band. A black band along each side of the belly. All these bands extend to the end of the tail. Upperside of the head black, with a yellow interocular cross band. Side of the snout and upper lip yellow. A single specimen, 12 inches long (tail 2 if inches), was obtained by Dr. Meyer in Northern Celebes. |