40 REPTILES. 



half of body semi-annulated with black; beneath white, base of 

 ventral plates black. 



Hub. Mozambique. 



14. CORONELLA CANA. 



Seba, ii. 12. 2; Scheuchzer, t. 74/. f. 5. Coluber canus, Linn. 

 Mus. Ad. Fried, i. t. 11. f. 1; Merr. Beitr. iii. pi. 1; Schley. 

 Ess. pi. 6. f. 7, 8; Lace'p. Quadr. Ovip. Serp. ii. p. 193; Latr. 

 Kept. iv. p. 14/ ; Daud. Elept. vi. p. 359. Coluber margari- 

 taceus, Merr. Tent. p. 100. Zwarte Slang, Levaillunt, Voy. Afr. i. 

 p. 121. Coronella cana. Hum. Sf Bibr. vii. p. 613; Smith, III. 

 qfS. Afr. t. 14-17. 



Head short, broad behind, sharply pointed in front ; body thick . 

 Scales in twenty-seven or twenty-nine rows ; anal bifid. — In 

 some specimens the longer posterior tooth of the upper jaw is 

 smooth, in others it exhibits a linear groove near its base, which 

 difference is quite independent of the variations of colour. 



A. Adult specimens: uniform blackish ash or reddish brown. 



u. Adult male (red). South Africa. 



b. Adult. Cape of Good Hope. Presented by Dr. Lee. 



c. Adult : head injured. Island of Schanna. From the Haslar 



Collection. 



d. Adult. South Africa. From the Haslar Collection. 



e. Adult. South Africa? (29 rows.) 



f. Half-grown : not good state. South Africa? (29 rows.) 



g, h. Adult. South Africa. Presented by the College of Sur- 



geons. 

 i. Adult. South Africa. From the Haslar Collection. 



B. Younger specimens : reddish brown, with darker, white- 

 edged round spots. 



/-. Half-grown. Cape of Good Hope. Presented by Dr. Lee. 

 /. Young: injured. Cape of Good Hope. Presented by Dr. 



Lee. 

 m. Young. Cape of Good Hope. Presented by Dr. Lee. 

 n, Half-grown. South Africa. Presented by the College of Sur- 



15. Coronella australis. 



Scales in seventeen rows ; anal bifid. Above uniform olive, 

 with a few small black specks ; beneath uniform whitish. Longer 

 maxillary tooth not channeled. 



a. Adult. Australia. Presented by Sir J. Richardson. 



