PLATE IV. 
ARTIO DACTYL A — Boi'idcV. 
Fig. 1. Alcelaphus tora, Gray. Cranium ; Abyssinia. British Museum (No. 1647, d). 
,, 2. Alcelaphus pygargus (Pallas). Cranium ; South Africa. British Museum (No. 644, a). 
,, 3, 3a. Alcelaphus pal^indicus (Falconer). Immature cranium; from the Siwalik Hills. 
British Museum (No. 39598). Page 15. 
,, 4, 4a. Alcelaphus pal^indicus (Falconer). Cranium ; from the Siwalik Hills. British Museum 
(No. 39594). Page 15. 
,, 5, 5a. Alcelaphus pal.eindicus (Falconer). Cranium and rn. 2 and m. 3 ; from the Siwalik 
Hills. Indian Museum (No. B. 331). Page 15. 
„ H. Gazella, sp. Frontlet ; from the Siwaliks of the Punjab. Indian Museum (No. B.228,a). 
Page 12. 
* ■> 2 , t ; fig*- 3, 3a, 4, 4a, 5, £ ; fig, 6, £ ; fig. 5a, * 
