84 MR. G. A. BOULKNGER ON ADDITIONS TO THE [Feb. 18, 



Ptychoglossus bilineatus. (Plate X. fig. 2.) 

 Head short, snout obtuse ; froutonasal broad ; praefruntals formiug 

 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 

 prffianals, median pair large. The hind limb reaches the elbow, the 

 fore limb the posterior border of the orbit ; scales on limbs smooth. 

 1 1 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. 



inillim. millim. 



Total length 97 From end of snout to 



Head 12 vent... 53 



Width of head 8 Fore limb l.i 



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 super- 

 posed anterior loreals ; rostral flat above, forming a broad straight 

 suture with the frontonasal, which is broader than long ; praefrontals 

 forming a short suture with each other ; frontal very narrow pos- 

 teriorly, 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 con- 

 tact 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 hmb 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 lamellse keeled, 16 under the 

 iourth 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 11^ Fore limb 23 



Head 16 Hind limb 50 



Width of head 10 Tail (injured) 105 



Body .'54 



