Nncras. 



2a 



All the young specimens examined have 3 or 5 light dorsal streaks 

 and the tail is of a coralline red. 



The var. holiibi must be regarded as more primitive than the 

 typical foi-m, and the pattern described under a, along with the 

 tseniolata form of N. tessellata, as the original from which all others in 

 the genus can be derived without the least difficulty. 



Measurements (in millimetres) : 



From end of snout to vent 



„ „ „ „ fore limb 



Head 



Width of head 

 Depth of head 

 Fore limb . 

 Hind limb . 

 Foot . 

 Tail . 



1. (?, Nyassa. 2. 9 , Nyassa. 3. <J, Umfolosi R. 4. ? , Zoutpansberg. 

 5. ? , De Kaap Goldfields. 6. <? , Vredefort Ed. 7. ? , Vredefort Ed. 8. <? , 

 Dongwenna. 9. ? , Dongwenna. 



Particulars of Specimetis Examined. 



Forma typica. 

 ? Latakoo (type) 

 Hgr. Kokong, Bechuanaland 

 (J Eustenburg, Transvaal 

 ? Pietersburg, „ 



Yg. „ ... 



var. holnhi. 

 Port Elizabeth . 



Burgersdorp, Cape Col. 

 Kimberley, S.A.M.. 

 Vredefort Koad, O.E. Col. 



„ Plumtree, McG. M. 

 i Umfolosi E., Zululaud 



•2. 3. 4. 



8. 9. 



55 44 6 29 12 34 13-14 22 3 



63 44 8 34 12 36 14 25 4 



40 43 8 30 10 37 13-12 23 3 



38 42 8 31 11 31 12 20 2 



