SNAKES OF EAST AFRICA. 633 



1. MiODCN GABONENSIS. 



Elapomo7^j)]ms gabonensis A. Dum. Eev. et Mag. Zool. (2) viii. 

 1856, p. 468. 



Miodon gabonensis Bouleng. t. c. p. 252. 

 Old Oalabav to Congo ; German East Africa, 



2. MioDOf CHRiSTYi Bouleng. Ann. & Mag. N. H. (7) xii. 1903, 

 p. 354. 



Uganda. 



3. MioDOiNT GRAUERi Sternf. Sitzb. Ges. Nat. Fr. Beri. 1908, 

 p. 94, and Faun. Deutsch. Kolon. iii. 2, p. 34, fig. 



' Uganda. 

 Perhaps not specifically distinct from the preceding. 



20. Aparallactus. 



A. Smith, 111. Zool. S. Afr., Kept. App. p. 15 ; Bouleng. Cat, 

 Sn. iii. p. 255. 



Synojjsis of the Species. 



I. Sjrmphysial not in contact with tlie cliin-shields. 



A. Two postoculavs, in contact with a temporal ; nasal entire, in contact with 



the prteocular. 



Third and fourth upper labials entering the ej'e A. jachsonii. 



Second and third upper labials entering the eye A. werneri. 



B. A single postocular ; one upper labial in contact with the parietal. 



Nasal entire, not in contact with prpeocular A. concolor. 



Nasal divided, in contact with praeocular ; upper part of 



rostral about one third its distance from frontal A. lunidatits. 



Nasal divided, in contact with prffiocular ; upper part of 



rostral two thirds its distance from frontal A. cliristyi. 



II. Symphysial in contact with the chin-shields. 



A. Third and fourth upper labials entering the ej'e. 



Nasal divided ; subcaudals 49-59 A. gwentheri. 



Nasal entire ; subcaudals 37-53 A. capensis. 



B. Second and third upper labials entering the eye. 



Ventrals 110-149 A.nigriceps. 



Ventrals 157-162 A.puncfatolineafvs, 



1. Aparallactus jacksonii. 



Uriechis jacksonii Giinth. Ann. & Mag. IST. H. (6) i. 1888, 

 p. 325, pi. xix. fig. E, 



Aparallactus jacksonii Bouleng. t. c. p. 256, 



East Africa. 



2. Aparallactus werneri Bouleng. Ann. & Mag. N. H. (G)xvi. 

 1895, p. 172, and Cat. Bn. iii. p. 257, pi. xi. fig. l'. 



Usambara, German East Africa. ' ',. : .• ■ '• 



