616 mr. g. a. boulenger on the 



13. Typhlops mucruso. 



Onychocephalus imicruso Peters, Mon. Berl. Ac. 1854, p. 621. 



Typhlops miccruso Peters, Reise Mossamb. iii. p. 95, pi. xiii. 

 fig. 3 ; Bouleiig. Cat. Sn. i. p. 46. 



Typhlops humbo Bocage, Jorn. Sc. Lisb. xi. 1886, p. 171; 

 Bouleng. 1. c. 



Typldops hottentottis Bocage, op. cit. (2) iii. 1893, p. 117. 



TypJilops latirostris Sternf. Mittli. Zool. Mus. Bevl. v. 1910, 

 p. 7U. 



Tropical Africa south of the Equator. 



14. Typhlops pallidus. 



Letheohia pallida Cope, Proc. Ac. Philacl. 1868, p. 322. 

 Typhlops pallidas Bouleng. Cat. Sn. i. p. 54. 

 Zanzibar and Pemba Id. 



15. Typhlops lumbriciformis. 



Onychocephalus (^Letheohia) lumbriciformis Peters, Mon. Berl. 

 Ac. 1874, p. 377. 



Typhlops lumbriciformis Bouleng, Cat. Sn. i. p. 54. 

 Typhlops kleebergi Wernei^, Zool. Anz. xxvii. 19U4, p. 664. 

 East and Central Africa. 



16. Typhlops unit^niatus Peters, Mon. Berl. Ac. 1878, 

 p. 205, pi. ii. fig. 5 ; Bouleng. Cat. Sn. i. p. 55, and Ann. Mus. 

 Genova (3) v. 1892, p. 331 (var. atamiaius). 



Somaliland and British East Afiica, 



Family Glauconiid^e. 



A single genus. 



1. Glauconia. 

 Gray, Cat. Liz, p. 139 ; Bouleng. Cat. Sn, i. p. 59. 



Synopsis of the Species. 



I. Ocular bordering tlie mouth ; tail at least three times as long as broad. 



A. Rostral more than half width of head, extending backwards beyond level 



of ejes. 



Diameter of body 50 to 65 times in total length G. distanti. 



Diameter of body 80 to 87 times in total length G. merkeri. 



B. Rostral one third to one half width of head, not extending backwards 



beyond level of eyes. 



1. Rostral not in contact with supraocular. 



Diameter of body 50 to 55 times in total length G. emini. 



Diameter of body 30 times in total length G. houlengeri. 



Diameter of body 70 times in total length G. longic'auda. 



2. Eostral in contact with supraocular; diameter of body 



47 to 60 times in total length G. conjimcta. 



II. Ocular not bordering the mouth ; tail hardly twice as long 



as broad ; diameter of body 40 times in total length G. braueri. 



