Bcviscd List of South African Reptiles and Batracldans. 497 



Family TYPHLOPID^. 



A single Genus in South Africa. 



1. TYPHLOPS. 



Schiieid. Hist. Amph. ii. p. 339 : Bouleng. Cat. Sn. i. p. 7. 



Ten Species in South Africa. 



I. Snout rounded ; 22 or 24 scales round the body. 

 Prffiocular much narrower than the ocular, in contact with the 

 second and third labials ; diameter of body 42 to 45 times in 



total length T. verticalis. 



Prieocular a little narrower than the ocular, in contact with the 

 second labial only ; diameter of body 23 to 30 times in total 



length T. foriuimiii. 



II. Snout with obtusely angular, not trenchant, horizontal edge. 

 24 scales round the body ; praeocular in contact with the second 

 and third labials ; diameter of body 30 times in total length . . T. mof^sambicus. 

 30 or 32 scales round the body ; prseocular in contact with the 

 second labial only ; diameter of body 24 times in total length ; 



eye not distinguishable T anddetce. 



30 to 34 scales round the body ; prceocular in contact with the 

 second labial (rarely second and third) ; diameter of body 28 to 



86 times in total length ; eye distinct T. hihronii. 



III. Snout with sharp, trenchant, horizontal edge. 



A. Snout not hooked (in profile). 



28 to 30 scales round body ; diameter of body 35 to 50 times in 



total length T. delalandii. 



30 to 38 scales round body ; diameter of body 25 to 35 times in 



total length T. mucruso. 



34 to 40 scales round body ; diameter of body 42 to 40 times in 



total length I.dvujd. 



40 to 44 scales round body ; diameter of body 25 to 30 times in 



total length T. sclilcijdii. 



B. Snout hooked ; 24 or 26 scales round body ; diameter of 



body 45 to 57 times in total length T. schinzi. 



1. Typhlops verticalis. 



Onyclioccphalus verticalis, Smith, 111., Eept. pi. liv. 

 Typhlops verticalis, Bouleng., t.c, p. 32. 

 Interior of South Africa. 

 Malraesbury (H. Gird). 



2. Typhlops fornasinii, Bianconi, Spec. Zool. Mosamb. p. 13, pi. iii. 



fig. 1 ; Bouleng., t.c, p. 38. 

 Portuguese East Africa. 

 Delagoa Bay (De Coster j. 



