114 On Batrachians and Beptiks from Angola. 



37. Miodon collarn'sj Peters. 



Golungo Alto. 



A single female specimen, with 233 ventrals and 17 caudals. 



38. Aparallactus Bocagii, Blgr. 



Between Benguella and Bihe. 



A single female specimen, measuring 330 mm., tail 45. 

 Ventvals 175, caudals 35. 



39. Naia melanoleuca, Hallow. 

 Pungo Andongo. 



40. Nam nigricoUis, Reinh. 

 Golungo Alto. 



41. Causus rhomheatus, Liclit. 



Pungo Andongo, Canlioca, between Benguella and Bihe. 



(Some of the specimens from between Benguella and Bihe 

 belong to a colour-variety described by Barboza du Bocage 

 (Herp. d'' Angola, p. 146), a pair o£ light lines running along 

 the back and dividing tiie large transverse dark dorsal spots. 

 Specimens of this variety, for which I propose the name 

 hilineatus, ajipear to have constantly 17 or 18 rows of scales 

 only. Ventrals 128-144 ; caudals 23-30. 



42. Bitis Peringueyi, Blgr. 

 Between Benguella and Bihe. 



A single female specimen of this little-known Viper, 

 measuring 340 mm., tail 37. Scales in 27 rows ; ventrals 131, 

 caudals 27. 12 or 14 scales round the eye ; two series of 

 scales between the eye and the upper labials, Avhich are 12 in 

 number. Coloration as figured by Bocage ( Vipera heraldica)^ 

 but the mid-dorsal region and the lateral round spots are 

 reddish brown. 



43. Atheris squamiger, Hallow. 



Golungo Alto. 



A single female specimen, with 17 scales across the body, 

 171 ventrals, and 53 caudals. 



44. Atractaspis congica, Peters. 



Duque de Bragan^a and Golungo Alto. 



Scales 19-21; ventrals 224-235; caudals 18-22. 



