122 GEKKHOSAUEIU^. 



East Africa (Zanzibar, Telta). 



«. Ad. Zanzibar, Sir Lambert Playfair [P.]. 



h, c. Ad. Zanzibar. Sir J. Kirli [C.]. 



3. Gerrhosaurus nigrolineatus. 



Gerrliosaurus nigrolint-'atu.s, Hnllow. I'roc. Ac. PJiilad. 1857, p. 49. 

 multilineatus, Bocatje, Jor>i. <S'e. Zisb. i. IBUG, p. 01. 



Head moderate ; body cj-clotetragonal. Head-shields smooth ; 

 frontonasal broader than long, not touching the rostral ; praefrontals 

 in contact, forming a long suture ; a narrow, band-like shield iu 

 front of the ear-o])cning. Dorsal shields all diagonallj- keeled, in 

 24 to 28 longitudinal and 54 to 60 transverse series ; ventrals 

 in 8 longitudinal scries. Femoral pores 14 to 18. Tail a little 

 more than twice as long as head and body. Ijrown or olive above, 

 with dark brown and yellowish squarish spots, and two or more 

 yellowish dark-edged streaks along the back ; lower surfaces yel- 

 lowish, 



millim. uiillim. 



Total length 437 Fore limb 35 



Head 25 Hind limb 65 



Width of head 20 Tail 305 



Body 107 



West Africa. 



a. Ad. • Benguela. J. J. Mouteiro, Esq. [C.]- 



l>. Hgr. Caraugigo. Dr. Welwitscli [P.J. 



c. Hgr. Ambriz, Angola. 



d. Ad. W. Africa. 



e. Ad. - — ? Sir J. liicbardson [P.]. 



f. Ad. ? Bristol Museum [P.]. 



4. Gerrhosaurus flavigularis. 



Genhosamus flavigularis, Gray, Cat. p. 60. 



bibronii, Gray, I. c. 



Gerrliosaurus flavigularis, JViegm. Isis, 1828, p. 379 ; Wagl. Icon. 



Amph. pi. xxxiv. tig. 1 ; Bvm. Sf Bibr. v. p. 378 ; Smith, III. S. 



Afr., Ilcpt. pis. xxxvii. and xlii. iigs. 1-4 ; Peters, Reise n. Mus- 



samh. iii. p. 57. 



■ ocellatus, Cocteau, May. cle Zool. 1834, iii. pi. iv. 



Pleurotuchus chrvsobrouchus, Smith, May. Zool. Bot. i.l837, p. 143. 



■ dejardinii, Sniitli, I. c. 



Gerrhosaurus bibrouii, Svtilh, III. S. Afr., Bept. pi. xxxviii. fig. 1, 



and pi. xlii. tigs. 9-12 ; A. Bvm. Cat. Meth. Bept. -p. 141. 

 flavigularis, var. quadrilineata, Boctty. 22. u. 23. Ber. Offenh. 



Ver.f. Saturk. 1883, p. 150. 



Head small; body cyclotetragonal. Head-shields smooth; fronto- 

 nasal as long as broad, not touching the rostral, forming a short 

 suture with the frontal ; a narrow tympanic shield. Dorsal scales 

 feebly striated, keeled, the laterals not or very indistinctly keeled, 



