448 THE SNAKES OF SOUTH AFRICA 



4. BOODON. 



Dum. & Bibr. Mem. Ac. Sc. xxiii., 1853, p. 460 ; Bouleng. Cat. 

 Sn. i. p. 327. 



Four Species in South Africa. 



I. Scales in 23 or 25 rows ; three labials entering the eye. 

 Two postoculars ; praeocular not extending to upper 



surface of head ; ventrals 175-196 . . . . . . B. infernalis. 



Three postoculars ; prseocular extending to upper surface 



of head ; ventrals 196-210 . . . . . . . . B. guttatus. 



II. Scales in 27 to 33 rows ; ventrals 192-237. 



Two (rarely three) labials entering the eye ; two pairs of 



chin-shields in contact with each other . . . . B. lineaius. 



Three labials entering the eye ; only one pair of chin- 

 shields meeting on the median line . . . . . . B. mentalis. 



1. BooDON INFERNALIS, Giinth. Cat. Col. Sn. p. 199 ; Bouleng., i.e., p. 330, 



pi. xxi. fig. I. 

 East and South Africa. 

 Cape Colony : Cape Town (Southey, Oakley) ; Cape Division (Layard, 



Southey, Oakley, Sclater) ; Robben Island (Denysson, Peringuey) ; 



Knysna (Groom) ; Port St. John's (Shortridge) ; Kimberley 



(French) ; King William's Town (Godfrey). 



2. BoODON GUTTATUS. 



Lycodon guttatus, Smith, 111., Rept. pi. xxiii, 

 Boodon guttatus, Bouleng., t.c, p. 331. 

 Cape Colony. 



Cape Town (Layard) ; O'okiep (Howard) ; Burghersdorp (Kanne- 

 meyer) . 



3. Boodon lineatus, Dum. & Bibr. Erp. Gen. vii. p. 363 ; Bouleng., t.c, 



P- 332. 



Tropical and South Africa. 



Cape Colony : Cape Division (no history) ; Burghersdorp (Kanne- 

 meyer) ; Port St. John's (Shortridge) ; Knysna (Groom) ; Touw's 

 River, Worcester Division (Le Fevre, Purcell) ; Beaconsfield 

 (Paynter) ; Robertson (Melle) ; Hanover (Schreiner) ; Beaufort 

 West (Haagner) ; Ograbis, Little Namaqualand (Strauss). 



Natal: Durban (Bowker, Sanderson). 



Transvaal : Modderfontein (Haagner) ; Potchefstroom (Gilchrist) . 



Rhodesia : Mazoe (DarHng) ; SaUsbury (Darling, Marshall, Thomas) ; 

 Livingstone (Sykes). 



Portuguese East Africa : Delagoa Bay (De Coster). 



4. Boodon mentalis, Giinth. Ann. & Mag. N. H. (6) i., 1888, p. 331, pi. xx. 



fig. A ; Bouleng., t.c. p. 335. 

 Damaraland. 



5. LYCOPHIDIUM. 



Dum. & Bibr. Mem. Ac. Sc. xxiii., 1853, p. 462 ; Bouleng. Cat. 

 Sn. i. p. 336. 



Two Species in South Africa. 



Ventrals 164-208; sub-caudals 30-45 ., .. .. L. capense. 



Ventrals 146-156; sub-caudals 30 .. .. .. L. semiannulis. 



