1898. J LIZABD COLLECTION IN THE NATFBAL-HISTOEY MTJSETJM. 923 



nasal which forms a suture with its fellow ; a vertical groove 

 behind the nostril ; frontonasal broader than long, forming a suture 

 with the frontal ; frontal once and two thirds as long as broad, 

 longer than its distance from the end of the snout, as long as the 

 parietals, in contact with the first and second supraoculars ; four 

 supraoculars, second largest ; six supraciliaries ; frontoparietals half 

 as long as the interparietal, which entirely separates the parietals ; 

 three pairs of nuchals ; fifth and sixth upper labials below the eye. 

 Ear-opening oval, oblique, as large as the eye-opening. 26 smooth 

 scales round the middle of the body, median pair of dorsals largest. 

 No enlarged praeanals. Limbs short ; the length of the hind limb 

 equals the distance between the centre of the eye and the fore 

 limb ; third and fourth toes equal, with 14 smooth lamellae 

 inferiorly. Tail a little longer than head and body. Olive-brown 

 above, almost every scale with a blackish dot followed by a light 

 spot ; yellowish beneath, almost every scale with a central black 

 dot. 



Total length .... 245 millim. Fore limb . . 18 millim. 



Head 14 „ Hind limb . . 23 „ 



Width of head . . 12 „ Tail 125 „ 



Body 106 „ 



A single specimen from the Sherlock Eiver, Nicol Bay, 

 W. Australia ; collected by Dr. E. Clement. 



This species is most nearly allied to L. branchiale, from which it 

 differs in the much larger ear-opening and in the coloration. 



EXPLANATION OF THE PLATES. 

 Plate LV. 



Fig. L Phi/Uodactt/lus siamensis, p. 918. 



1 a. „ „ Lower view of foot, X 3. 



2. Anolis curtus, p. 919. 



2 a. „ „ Upper view of head, X 2. 



3. Arthroseps werneri, p. 921. 



3 a. „ „ Upper view of head, X 3. 



3 b. „ ,, Posterior ventral and anal regions, X 3. 



4. Lygosoma alfredi, p. 922. 



4 a, „ „ Upper view of head, X 3. 



Plate LVI. 



Fig. 1 . Biploglossus nuchalis, p. 920. 

 2. Varanus hrevicauda, p. 920. 

 2 a. „ „ Side view of head, X 2. 



Plate LVII. 



Fig. 1. Lygosoma aignamim, p. 921. 



la. „ „ Side view of head. 



2. „ gastrostigma, p. 922. 



2 a. „ „ Side view of head. 



2 b. „ „ Lower view of head and anterior part of body. 



61* 



