Nucras. 15 



and the black rings may expand into large spots with a tendency to 

 run together into cross-bars (I.e., fig. 3), in which case the white eyes 

 may become much reduced or disappear, leaving nothing but more 

 or less regular black cross-bars (I.e., figs. 4, 6) ; head with black spots 

 above, with black spots or vertical bars on the sides, the latter some- 

 times extending to the throat ; these black bars may be accompanied 

 by four very conspicuous white bars between them, the first behind the 

 eye, the fourth behind the tympanum ; tail with black spots, or with 

 ocelli as on the body. Lower parts white, uniform, or with more or 

 less numerous round black spots. 

 Measurements (in millimetres) : 



s ? 



T 



From end of snout to vent . 



,, ,, „ fore limb 



Length of head 

 Width of head 

 Depth of head 

 Fore limb 

 Hind limb 

 Foot . 



Tail . . .215 195 156 225 145 155 



1. Port Elizabeth. 2. Damaraland. 3, 5. Krugersdorp. 4. S. 

 Africa. 6. Peri Bush. 



Particulars of Specimens Examined. 

 (J Cape Colony (type), P.M. 



¥ )» »j »> )> 



(J Port Elizabeth (Leslie) . 



(Moorhouse) . 

 (Drage) . 



69 42 35 10 29 14-13 22 

 68 39 33 12 26 13-14 19 



Hgr. 

 Hgr. 



9 PeriBush.nearKingWilliams- 



town (Trevelyan) 88 35 35 9 24 12-10 17 



S „ (Stenning) . . 102 36 37 10 24 12 18 



9 East London . . 106 35 37 8 23 12 16 



S E. Cape Colony . . 93 39 36 8 26 12-13 20 



„ Van Eeenen, Natal . . 83 37 34 10 23 12 19 



„ Natal ... 102 34 32 8 26 12-13 18 



