462 THE SNAKES OF SOUTH AFRICA. 



3. BiTIS ATROPOS. 



Coluber atropos, Linn. S. N. i. p. 375. 



Bitis atropos, Bouleng., t.c, p. 495. 



Cape Colony, Transvaal. 



Cape Colony : Cape Peninsula (Fairbridge, Layard, Lightfoot) ; Knysna 



(Oakley) ; East London (Wood) ; Port Elizabeth (Drege, 



Moorhouse) . 

 Transvaal : Lydenburg (Kilgour). 



4. Bitis inornata. 



Echidna innorata, Smith, 111., Rept. pi. iv. 

 Bitis innorata, Bouleng., t.c, 496. 

 Cape Colony. 



5. Bitis cornuta. 



Vipera cornuta, Daud. Hist. Rept. vi. p. 188. 



Bitis cornuta, Bouleng., t.c, p. 497. 



Cape Colony, South- West Africa. 



Cape Colony : Cape Peninsula (Oakley, Ogilvie) ; Calvinia, Clanwilliam 

 (Schlechter) ; Worcester (Le Fevre, Paynter) ; Serowe, Bechuana- 

 land (Schonland) ; Little Namaqualand (Turle) ; Tulbagh 

 (Kleinschmidt). 



6. Bitis caudalis. 



Vipera caudalis. Smith, 111., Rept. pi. vii. 



Bitis caudalis, Bouleng., t.c, p. 498. 



Angola to the north part of Cape Colony and Southern Rhodesia. 



Cape Colony : Little Namaqualand (Hirsch, Scully, Thomas, Turle) ; 



Victoria West (Piers) ; Serowe, Bechuanaland (Blackbeard) . 

 Southern Rhodesia : Insiza (French). 



3. ATRACTASPIS. 

 Smith, 111., Rept. ; Bouleng. Cat. Sn. iii. p. 510. 

 Two Species in South Africa. 

 Ventrals 221-260 .. .. .. .. .. A.bibronii. 



Ventral 199 ., .. .. .. .. .. A. duerdeni. 



1. Atractaspis bibronii, Smith, op. c, pi. Ixxi. ; Bouleng., t.c, p. 515. 

 Cape Colony, Natal, Zululand, Transvaal, Portuguese East Africa, 



South- West Africa, Angola. 

 Natal : Durban (Bowker). 

 Transvaal : Barberton (Kolbe). 

 Portuguese East Africa : Delagoa Bay (De Coster) . 



2. Atractaspis duerdeni, Gough, Albany Mus. Rec, ii., 1907, p. 178, fig. 

 North East Kalahari. 



DESCRIPTION OF NEW SPECIES. 

 Glauconia gracilior. 



Snout rounded ; supraocular present, not much larger than the frontal, 

 a little broader than long ; rostral about one-third the width of the head, 

 hardly twice the width of the nasal, not extending posteriorly beyond the 

 level of the eyes, in contact behind with the frontal and the supraoculars ; 

 nasal completely divided into two ; ocular bordering the lip, between two 

 labials, the anterior of which is very small. Body very slender, its diameter 

 90 to no times in the total length. 14 scales round the body. Length 

 of tail 10 to 15 times in total length. Uniform blackish brown. Total 

 length, 230 mm. 



Numerous specimens from various localities in Cape Colony (Van 

 Rynsdorp, Robertson, Clanwilliam, Matjesfontein). 



