294: MR. G. A. BOULEXGER ON THE 



1. BOULENGERINA ANNULATA. 



Naia cmnulata Buchh. & Peters, Mon. Berl. Ac. 1876, p. 119. 

 Boidengerina ammlata Bouleng. P. Z. S. 1900, p. 455, pi. xxxii. 

 Camei-oon to Congo, eastwards to the Uelle and the Stanley 

 Falls. 



2. BotTLENGERiNA DYBOWSKii Mocquard, Bull. Soc. Philom. (8) 

 ix. 1897, p, 15. 



French Congo. 



2. Elapechis. 



Bouleng. Cat. Sn. iii. p. 358. 



1. Elapechis guentheri. 



Elapsoidea guentheri Bocage, Jorn. Sc. Lisb. i. 1866, p. 70,. 

 pi. i. fg. 3. 



Elapechis guentheri Bouleng. t. c. p. 359. 



Elapechis moebitcsi Werner, Verh. zool.-bot. Ges. Wien, xlvii. 

 1897, p. 400. 



Togoland, JSTorthern Nigeria, and Uganda to Angola and 

 Nyassaland. 



3. Naia. 



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



Synopsis of the Species. 



I. 19 to 29 scales across the neck, wliich is dilatable, 17 to 23 across tlie body; 



53-70 subcaudals. 



6tli or 7th upper labial largest and dfiepest, in contact with post- 

 oculars ; eye separated from the labials by suboculars N.haie. 



6th upper labial largest and deepest, in contact with postoculars ; 



3rd and 4th upper labials entering the eye N.vielanoleiica^ 



3rd or 3rd and 4th upper labials deepest and entering the eye, 6th 



and 7th not in contact with postoculars N. nigricollis. 



II. 15 scales across the nect, which is not dilatable, 13 or 15 



across the body ; 4th or 3rd and 4th upper labials entering 



the eye; 87-92 subcaudals N. goldii. 



1. Naia haie. 



Coluber haie Linn, in Hasselq. Reise Falsest, p. 366. 

 Naia haie Bouleng. t. c. p. 374 . 



Borders of the Sahara, East Africa southwards to the Trans- 

 vaal and Zululand, Palestine, Arabia. 



2. Naia melanoleuga, 



Naia haie, var. melanoleuca Hallow. Proc. Ac. Philad. 1857,^ 

 pp. 61, 72. 



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



Tropical Africa, from the Gold Coast and Uganda to Angola 

 and Nyassaland. 



3. Naia nigricollis Reinh. Yidensk. Selsk. Skr. x. 1843,'p. 269,. 

 pi. iii. figs. 5-7 ; Bouleng. t. c. p. 378. 



Senegambia and Upper Egypt to Bechuanalnnd and Natal. 



