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Show 212 MR. G. A. BOULENGER ON THE [Feb. 2, 25. LYGOSOMA CELEBENSE, F. Midi. (Plate XI. fig. 1.) Lygosoma (Otosaurus) celebense, F. Mull. Verh. nat. Ges. Basel, x. 1894, p. 836, fig. Section Otosaurus. Habit lacertiform ; the distance between the end of the snout and the fore limb contained once and one-fifth to once and a half in the distance between axilla and groin. Snout short, obtuse. Lower eyelid scaly. Nostril pierced in a single nasal; two pairs of superposed loreals; a large supranasal, forming a suture with its fellow, or separated from it by the frontonasal, which is small, situated between the internasals and the praefrontals, and in contact with the frontal; latter as long as or a little shorter than frontoparietals and interparietal together, in contact with the three anterior supraoculars; six supraoculars, first much longer than second; 11 to 13 supraciliaries; frontoparietals and interparietal distinct, subequal; parietals forming a short suture behind the interparietal; no nuchals; fourth and fifth upper labials below the eye. Ear-opening large, oval, smaller than the eye-opening; no auricular lobules. 40 to 44 smooth scales round the middle of the body, laterals smallest. A pair of enlarged praeanals. The hind limb reaches the wrist or the elbow of the adpressed fore limb. Digits elongate, compressed; subdigital lamella? unicarinate, 17 to 20 under the fourth toe. Tail once and one-third to once and three-fifths the length of head and body. Pale brown or reddish above, spotted or tessellated with dark brown, or dark brown with yellowish-brown spots or irregular cross-bars; an interrupted blackish dorso-lateral streak may be present; lower parts whitish, uniform or throat speckled with black ; throat sometimes bluish. mm. Total length 144 Head 13 Width of head 8 Body 43 Fore limb 17 Hind limb 25 Tail 88 Seven specimens : Mahawu Volcano, near Tomohon ; Masarang Volcano; Upper Bone Valley. 26. LYGOSOMA SMARAGDINUM, Less. L. acutlrostre, Oudemaus, in Semon, Zool. Forsch. p. 141, fig. (1894). 10 specimens : Buol, Mapane (Tomini Gulf), Pare-Pare, Macassar. Minahassa, Macassar (Meyer). Macassar (Beccarl, Bruljn). The specimens vary in scaling and in coloration. Some are of the usual emerald-green colour, without or with small black spots; others olive or pale brown, with small black spots or with two dorsal series of very large black blotches, Eight have six upper |