124 GERRnOSATJEID^. 



2. TETRADACTYLUS. 



Clialcides, part., Daud. Hept. iv. p. 359. 



Tetradactylus, Merreni, Tent. Syst. Aviph. p. 75. 



Tachydronius, part., Merrem, I. c. p. (iU. 



Cicig-na, Gray, Ann. I'hil. (2) x. 1825, p. 201. 



Sauropliis, Fitziny. N. Classif. liept. p. 20 ; Wayl. Syd. Amph. 



p. 158; Wieym. Ilerp. Me.c. p. 11; Dum. i^- Bibr.\. p. o87; Oray, 



Cat. Liz. p. 51. 

 Gerrhosaurus, part., Dum. (|- Bibr. p. 3G8. 

 Caitia, Gray, Ann. N. H. i. 1838, p. 389, and Cat. p. 52. 

 Pleurostrichus, part., Gray, Cat. p. 51. 



Nostril pierced between the first labial and two nasals ; no prse- 

 frontal shields ; frontoparietals present. Lower eyelid scaly. A 

 stronj; lateral fold. Dorsal and ventral scales forming straight longi- 

 tudinal and transverse series. Digits, if present, smooth inferiorly. 

 Tongue entirely covered with oblique plicae converging anteriorly 

 towards the median line. 



South Africa. 



Synopsis of the Species. 



Limbs shortbut well developed, pentadact J le. 1. seps, p. 124. 



Limbs very short, tetradactyle 2. tdradactylus, p. 125. 



Limbs minute, undivided 3. africanus, p. 125. 



1. Tetradactylus seps. 



Pleurostrichus sepiformis, Gray, Cat. p. 51. 

 Lacerta seps, Linn. f>. N. i. p. 363. 

 SciiK-us sepiformis, Schneid. JIi,st. Amph.W. p. 191. 

 Tachydroniiis seps, Merr. Tent. p. 69. 

 Cicigua sepiformis. Gray, Ann. rhil. (2) x. 1825, p. 201. 

 Gerrhosanrus sepiformis, Uum. fy Bibr. v. p. 384; Smith, III. S. Afr,, 



Bejjt. pi. xli. fig. 1, and pi. xlii. figs. 13-lG; Gravenh. Nov. Act. 



Ac. Levp.-Carnl. xxiii. 1851, i. p. 301, pi. xxvii. 



Body elongate ; limbs short but well developed and pentadactyle ; 

 the length of the hind limb equals or exceeds the distance between 

 the end of the snout and the fore limb. Dorsal shields strongly 

 striated ; the posterior dorsal and the upper caudal shields with a 

 stronger median keel ; dorsal shields ia V6 longitudinal and 57 to 

 61 transverse series (counting from the parietal shield to the base 

 of the tail) ; ventrals in 8 longitudinal series. Femoral pores 9 to 

 12 on each side. Olive or reddish brown above, the edges of the 

 scales darker ; sides usually darker ; upper lip with small light 

 dark- edged spots ; lower surfaces olive or grey. 



millim. millim.- 



Total length 191 Fore limb 13 



Head 10 Hind limb 21 



Width of head .... 7 Tail 132 



Body 49 



