Scaptira. 351 



Scapteini knoxii, Bouleuy. Cat. Liz. iii, p. lUO (1887) ; Werner, 

 Jen. Denkschr. xvi, 1910, p. 335. 



Head and body moderately depressed. Head li to 1: times as long 

 as broad, its length 3s to 4 times iu length to vent in males, 4 to 4.V 

 times in females, its depth euital to the distance between tlic anterior 

 corner or the cent re of the eye and the tympanum ; snout short, obtuse, 

 nasals not or very feebly swollen, as long as the postocular [)art of the 

 liead, with a very distinct lanceolate concavity from the frontonasal 

 shield to the middle or the posterior end of the frontal ; canthus 

 rostralis sliarp, loreal region nearly vertical, concave. Pileus 1^ to 2 

 times as long as broad. Neck as broad as the head or a little narrower. 

 The hind limb reaches the collar, the ear, or between the ear and the 

 eye in males, the collar or between the collar and the ear in females ; 

 foot 11 to If times as long as the head; digits feebly compressed. 

 Tail about twice as long as head and Ijody, feebly depressed at the 

 base. 



Upper head-shields rather convex, smooth or a little rugose; nasals 

 forming a short or very short suture behind the rostral ; frontonasal 

 broader than long, sometimes longitudinally bisected* ; prefrontals 

 longer than broad, nearly always separated from each other by one or 

 two small azygos shields or by 3 forming a triangle, or even 5 I ; frontal 

 as long as its distance from the rostral or the end of the snout, 

 1| to 2 times as long as broad, narrow behind ; parietals longer than 

 broad; interparietal as large as the frontoparietal or smaller, in 

 contact with a small occipital or separated from it by a small shield. 

 Three supraoculars, sometimes a small fourth, the first usually with 

 one or two small detached shields on the inner side, sometimes broken up 

 into 4 to I) shields ; a complete or incomplete series of granules between 

 the supraoculars and the superciliaries, which are 6 to 8 in number, first 

 longest. Rostral H times as broad as deep; lower nasal broadly in 

 contact with the rostral, resting on the first and second upper labials ; 

 anterior loreal as long as deep or deeper than long,;]l shorter than the 

 second ; sul)ocula.r stronu'lv keeled below the eve, resting on the 

 5th to 7th upper labials, § forming a very obtuse angle between 

 the 6th and 7th, its antero-inferior border much longer than the 

 postero-inferior. Two elongate, keeled upper temporals, the anterior 



* In o out of 2i specimens examined. — In 2 out of 15 examined by Werner. 



t 9 specimens witli 1, 7 with 2, ■!• with 3, 1 with 5, and 3 without. — 1 or 2 in 

 tlie 15 specimens examined by Werner. 



X Absent on one side iu one sj^ecimen from Calvinia. 



§ 4th to 6th in one specimen examined by W^erner. — On the right side in one 

 of the specimens in the Paris Museum. 



