AFRICAN SNAKES. 219 



5. ElAPECHIS ? MULTIFASCIATUS. 



Naia multifasciata Werner, Verh. zool.-bot. Ges. Wien, lii. 

 1902, p. 347." 



Congo (Upper Maringa). 



3. Naia. 

 Laur. Syn. Rept. p. 90; Bouleng. Cat. Sn. iii. p. 372. 



j Synopsis of the Sjjecies. 



I. 19 to 29 scales across the neck, which is dilatable. 



Sixth upper labial largest and deepest, in contact with the 



lower postocular ; temporals 1 + 2 or 3 N. melanoleuca. 



Third upper labial deepest, sixth not in contact with post- 

 oculars; temporals 2 or 3 + 4 or 5 N.nigricollis. 



II. 15 or 17 scales across the neck, which is not dilatable. 

 Eye separated from labials by suboculars ; scales in 17 rows on 



body; subcaudals 52-62 N. ancliietce. 



Fourth or third and fourth upper labials entering the eye; 

 scales in 13 or 15 rows on body ; subcaudals 88-92 N. goldii. 



1. Naia melanoleuca. 



Naia haie, var. melanoleuca Hallow. Proc. Ac. Philacl. 1857, 

 pp. 61 & 72 ; Bocage, Herp. Ang. p. 132. 



Naia melanoleuca Bouleng. t. c. p. 376. 



Tropical Africa, from the Gold Coast and Uganda to Angola 

 and Nyassaland. 



2. Naia nigricollis Reinh. Yicl. Selsk. Skrift. x. 1843, p. 269, 

 pi. iii. figs. 5-7; Bocage, Herp. Ang. p. 135; Bouleng. t. c. 

 p. 378. 



Senegambia and Upper Egypt to Bechuanaland and Natal. 



3. Naia anchiet^e Bocage, Jorn. Sc. Lisb. vii. 1879, pp. 89 & 

 98, and Herp. Ang. p. 133, pi. xvi. fig. 2; Bouleng. t. c. p. 387. 



Angola and Ovamboland. 



4. Naia goldii Bouleng. Ann. & Mag. N. H. (6) xvi. 1895, 

 p. 34, and Cat. t. c. p. 387, pi. xx. fig. 2. 



Naia guentheri Bouleng. Cat. t. c. p. 388, pi. xxi. 

 Sierra Leone to Congo (Kasai). 



4. Dendraspis. 



Schleg. Versl. Zool. Gen. Amsterd. 1848 ; Bouleng. Cat. Sn. iii. 

 p. 434. 



Two species : — 



A large upper temporal, in contact with the whole outer border of 



the parietal ; scales in 15 to 19 rows D.jamesonii. 



Two upper temporals in contact with the outer border of the 



parietal; scales in 19 to 23 rows D. angusticeps. 



