282 MR. G. A. BOULENGER ON THE 



3. ChLOROPHIS IRREGULARIS. 



Coluber irregularis Leach, in Bowdich, Miss. Ashant. p. 494. 



Chloroj^his irregularis Bouleng. t. c. p. 96. 



Senegambia and Uganda to Damaraland and S. Rhodesia. 



4. Chlorophis. hetergdermus Hallow. Proc. Ac. Philad. 1857, 

 p. 54; Bouleng. t. c. p. 97. 



Sierra Leone to Congo, eastwards to L. Tanganyika. 



5. Chlorophis carinatus Andeiss. Bih. Sv. Ak. Handl. xxvii. 

 iv. no. 5, 1901, p. 9. 



Cameroon to Congo, eastwards to the Ituri and the Stanley 

 Falls. 



13. Philothamnus. 



A. Smith, 111. Zool. S. Afr., Kept. ; Bouleng. Cat. Sn. ii. p. 98. 



St/nopsis of the Sjyecies. 



I. Scales in 15 rows. 



A. Subcaudals 110-155. 



Temporals usually 2 + 2 ; ventrals 166-207..... P. semivariegaUis. 



Temporals 1 + 2 or 2 + 2 ; ventrals 150-165 P. nitidus. 



Temporals 1 + 1; ventrals 167-190 P. dor salts. 



B. Subcaudals 160-175 ; ventrals 201-220 ; temporals 1 + 1 



or 1 + 2 P- fhomeiisis. 



II. Scales in 13 rows ; ventrals 186-194 ; subcaudals 143-153; 



temporals 1 + 1 or 1 + 2 F.gimrdi. 



1. Philothamnus semivariegatus A. Smith, op. cit. pis. lix., 

 Ix, ; Bouleng. t. c. p. 99. 



Tropical and South Africa. 



2. Philothamnus nitidus. 



Ahcetulla nitida Glinth. Ann. & Mag. N. H. (3) xi. 1863, p. 286. 

 Philothamnus nitidus Bouleng. t. c. p. 100, pi. v. fig. 4. 

 Lagos to Cameroon. 



3. Philothamnus dorsalis Bocage, Jorn, Sc. Lisb. i. 1866, 

 p. 69; Bouleng. t. c. p. 101. 



Gaboon to Angola. 



4. Philothamnus thomensis Bocage, Jorn. Sc. Lisb. ix. 1882, 

 p. 11, fig. ; Bouleng. t. c. p. 101. 



5. Thome Id., Gulf of Guinea. 



5. Philothamnus girardi Bocage. Jorn. Sc. Lisb. (2) iii. 1893, 

 p. 47 ; Bouleng. t. c. p. 102. 



Anno Bom Id., Gulf of Guinea. 



