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Show 210 MR. G. A. BOUIcENGER ON THE [Feb. 2, supraoculars ; six supraoculars, first much longer than second 11 to 13 supraciliaries; frontoparietals and interparietal distinct. subequal, or former longer than latter; parietals forming a short suture behind the interparietal; nuchals absent or one pair; fourth and fifth, fifth and sixth, or fourth, fifth, and sixth upper labials below the eye. Ear-opening large, oval, a little smaller than the eye-opening; no auricular lobules. 40 to 50 scales round the middle of the body; dorsals largest and feebly keeled, laterals smallest. A pair of enlarged praeanals. The hind limb reaches the axilla, the shoulder, or a little beyond the latter. Digits elongate, compressed; subdigital lamellae unicarinate, 20 to 27 under the fourth toe. Tail once and a half to once and three-fourths the length of head and body. Brown above, with verv variable markings. A more or less distinct dorso-lateral series of yellowish spots; back sometimes with blackish cross-bars; a black lateral streak on the head and neck, passing through the eye, often extending along the side of the body, where it may be edged above with a yellowish streak, replacing the dorso-lateral series of yellowish spots; a large black spot, or ocellus with light centre, sometimes present above the shoulder; the flanks may be dotted with whitish ; upper lip yellowish white, uniform or with a black streak, or with blackish spots or vertical bars; a black streak often present along each side of the base of the tail. Lower parts yellowish white, throat sometimes bluish in males; throat and breast sometimes much spotted with black. mm. Total length ..' 235 Head 21. Width of head 15 Body 74 Fore limb 35 Hind limb 52 Tail ,140 The type specimen was obtained at Manado by Dr. A. B. Meyer. The Drs. Sarasin's specimens, 24 in number, are from the Sudara Volcano, Tomohon, Matinang Mts. (2600-3400 ft,), Kingdom of Luhu (1000-1600 ft.), L. Posso and Mapane on the Tomini Gulf. Specimens were also obtained in South Celebes by Mr. Everett. As the description shows, this species varies remarkably in scaling and in coloration. The Drs. Sarasin's specimens have from 40 to 48 scales round the body, and from 20 to 27 lamellae under the fourth toe. One specimen with 40 scales agrees in coloration with the type, and others also show the absence of correlation between the two characters. I am therefore unable to maintain as a distinct species Midler's L. amahile, which was founded on specimens with 40 scales, 21 lamellae under the fourth toe, and a large black spot above the shoulder. 23. LYGOSOMA SARASINORUM, sp. n. (Plate X. fig. 2.) Section Hlnulla. Habit lacertiform ; the distance between the |