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Show 84 MR. G. A. BOULENGER ON ADDITIONS TO THE [Feb. 18, P T Y C H O G L O S S U S BILINEATUS. (Plate X. fig. 2.) Head short, snout obtuse ; frontonasal broad ; praefrontals forming a short suture; interparietal about half the width of the parietals ; no occipitals ; a small loreal; seven upper labials, third very long ; five lower labials; chin-shields very large, one anterior and three pairs in contact on the median line. Gular scales squarish, in seven transverse series ; collar formed often scales, the median pair largest. Dorsal scales in 28 longitudinal and 30 transverse series; ventrals longer than broad,in 10 longitudinal and 17 transverse series. Four praeanals, median pair large. The hind limb reaches the elbow, the fore limb the posterior border of the orbit ; scales on limbs smooth. 11 femoral pores on each side. Tail scaled like the body. Pale brown above, with a yellowish streak along each side of the back ; lower parts white. millim. millim. Total length 97 From end of snout to Head 12 vent 53 Width of head 8 Fore limb 15 From end of snout to Hind limb 23 fore limb 21 Tail (reproduced) .. 44 A single male specimen from Ecuador. LYGOSOMA ANOMALOPUS. (Plate XI. fig. 4.) Section Hinulia. The distance between the end of the snout and the fore limb nearly equals the distance between axilla and groin. Snout short, obtuse ; loreal region nearly vertical. Lower eyelid scaly. Nostril pierced in a single nasal; no supranasal; two superposed anterior loreals ; rostral flat above, forming a broad straight suture with the frontonasal, which is broader than long; prsefrontals forming a short suture with each other ; frontal very narrow posteriorly, as long as frontoparietals and parietals together, in contact with the first, second, and third supraoculars : four supraoculars, first and fourth largest, second and third band-like ; nine supra-ciliaries ; frontoparietals and interparietal distinct; parietals in contact behind the interparietal; fifth and sixth or sixth and seventh labials largest and below the eye. Ear-opening oval, smaller than the eye-opening ; no auricular lobules. 38 smooth scales round the middle of the body, laterals smallest. A pair of large praeanals. The adpressed hind limb reaches nearly the eye. Fingers moderate; toes extremely unequal in length and compressed : fourth toe half as long as the distance between axilla and groin, fifth very short, hardly longer than first; subdigital lamellae keeled, 16 under the fourth toe, the subarticular much enlarged. Brown above, with pale reddish-brown transverse bands ; a black loreal streak ; a series of white spots along each side; lower parts uniform white. millim. millim. Total length 175 Fore limb 23 Head 16 Hind limb 50 Width of head 10 Tail (injured) 105 Body 54 |
