1. From end of snout to vent (in millimetres). 2. Scales round middle of 

 body. 3. Longitudinal series of dorsal plates, in middle of body. 4. Longi- 

 tudinal series of ventral plates. 5. Transverse series of ventral plates. 6. 

 Gular scales, collar included, in longitudinal median series. 7. Femoral pores 

 (right and left if diii'ering). 8. Lamellaj under fourth toe. 



In addition to the above, I have examined the type specimen, a 

 male from the Gaboon, preserved in the Museum of the Academy 

 of Philadelphia. 



i?rt6(7«i. — Cameroon, Spanish Guinea, French Congo. 



10. APELTONOTUS. 



Apeltonotus, Bouleng. Mem. As. Soc. Beng. v, 1917, p. 233. 



Head-shields normal. Nostril pierced between the 

 nasal, a postnasal, and the first upper labial. Lower 

 eyelid scaly. Collar distinct. Dorsal scales small, 

 hexagonal, sid)imbricate, keeled; ventral plates obtusely 

 pointed, imbricate, of median rows smooth or faintly 

 keeled, of outer row strongly keeled. Digits compressed, 

 with smooth scales inferiorly. Femoral pores reduced 

 to 2 or o on each side. Tail very long, cylindrical. 



Loo-Choo Islands. 



This genus is very closely allied to Tachydroinus, to which it stands 

 in the same relation as Bedriagaia to Poromera. Could we find a form 



