470 ^li". 1^. C. WiougUtoii on 



a'. Tail tipped with white. 



«'-. SluiU larger; basilar length 34 rum., 



breadth 23, ujiper molar series 6'o, 



bulhe 1 1. (Wakkerstroom.). . • • (2) draco, sp. n. 

 6^ Skull smaller; basilar length 30 



mm., breailth lil, upper molar 



series 0, bullae 105. (Orange 



Colony &c.) (3) Brantsi, Smith. 



i". No white tip to tail. (Cape Town.) (4) afra, Gray. 

 b. Size smaller; head and body less than 

 l.")0 mm. 

 u\ Head and body 13.5 mm. or more. 

 «'-. Upper surface of tail very dark. 



(Matabili.) (5) LobenyuUc, de Wint. 



l)^. Upper surface of tail less dark ; 



ground-colour of body very pale. 



(Molopo.) (6) L. bechucmce, subsp. u. 



c'^. Upper surface of tail scarcely 



darker than lower. (Kurumau.) (7) L. yiiquce, svih^^.n. 

 d', G.ouad-colour of body very dark, 



from chestnut to almost black. 



(Mazoe.) (8) L. mashonee, subsp. n. 



h^. Head and body less than 135 ram. 

 a". Marked rufous tinge on chest : 



dark upper surface of tail narrow- 

 ing distally (rarely disappearing 



and leaving a white tip). (IJeel- 



fontein, C. C.) (9) miliaria, sp. n. 



b'^. No rufous tinge on chest; dark 



upper surface of tail broad and 



well marked to the tip. (Kuru- 

 mau.) . (10) 7)1. stellce, subsp. n. 



c^. No rufous tinge on chest ; dark 



upper surface of tail narrowing, 



but also darkening. (Zoutpans- 



berg.) (11) m. salsa, subsp. u. 



C. Tail equal in length to head and body. 



(Salisbury.) (12) jninja, sp. n. 



Section II. — Africa North of the Zambesi. 

 A. Tail not appreciably longer than head and 

 body. 

 a. Large ; length of head and body 160 mm. 

 or more. 

 fl\ Mather larger: tail proportionately 

 £hf)rter ; skull larger ; upper molar 

 st-ries 0'8 mm. (Mweru, B. C. A.) (13) liodon,Tho9. 

 b\ Ilather smaller ; tail about equal in 

 length to head and body ; skull 

 smaller ; upper molar series G"5 mm. 



(Angola &c.) (14j vulida, Eoc. 



h. ^Medium ; length of head and body 140 

 mm. or more, 

 rt'. Upper molar series 5-3 mm. (Angola.) (15) anf/oke, 6]). n. 

 bK Upper molar series 6 mm. 



a'. Hind foot 30 mm., bullae lO-.j. 



(Gold Coast.) (10) Giff'ardi, sp. n. 



i 



I 



