198 



MR. G. A. BOULENGER ON 



Synopsis of the Species. 



I. Snout hooked in profile, with angular horizontal edge ; 



diameter of body about 65 times in total length G. rostrata. 



II. Snout rounded. 



A. Rostral not or but little broader than nasal. 



Supraocular nearly twice as broad as long ; diameter of body 



50 to 55 times in total length G. emini. 



Supraocular small; diameter of body 40 to 53 times in total 



length G. nigricans. 



Supraocular small ; diameter of body 70 times in total length G. longicauda. 



B. Rostral more than twice as broad as nasal. 



Supraocular not larger than prefrontal; diameter of body 60 to 



80 times in total length G. scutifrons. 



Supraocular much larger than prefrontal ; rostral extending 

 above to between eyes; diameter of body 50 times in total 

 length G. lepezi. 



Supraocular larger than praefi'ontal ; rostral extending to beyond 

 level of eyes ; diameter of body 55 times in total length G. latirostris. 



1. Glauconia ROSTRATA. 



Stenostoma rostratum Bocage. Jorn. Sc. Lisb. xi. 1886, p. 179, 

 and Herp. Ang. p. 71. 



Glauconia rostrata Bouleng. t. c. p. 62. 

 Angola. 



2. Glauconia emini Bouleng. t. c. p. 64, pi. iii. fig. 8. 



East and Central Africa (Lakes Kivu and Tanganyika, Nyassa- 

 land). 



3. Glauconia nigricans. 



Typhlops nigricans Schleg. Abbild. p. 38, pi. xxxii. figs. 21-24. 

 Glauconia nigricans Bouleng. t. c. p. 67. 

 South Africa and Northern Rhodesia. 



4. Glauconia longicauda. 



■ Stenostoma longicauda Peters, Mon. Berl. Ac. 1854, p. 621. 

 Glauconia longicauda Bouleng. t. c. p. 66. 

 Northern Rhodesia and Portuguese East Africa. 



5. Glauconia scutifrons. 



Stenostoma scutifrons Peters, 1. c. ; Bocage, Herp. Ang. p. 71. 

 Glauconia scutifrons Bouleng. t. c. p. 68. 

 Angola and South Africa. 



6. Glauconia lepezi Bouleng. Ann. Mus. Congo, Zool. ii. 

 1901, p. 8, pi. iii. fig. 2. 



Lower Congo (Zambi). 



7. Glauconia latirostris Sternf. Wiss. Ergebn. Deutsch. 

 Z.-Afr. Expecl., Zool. ii. p. 264. 



N.W. of L. Tanganyika. 



