PLATE XVII 
Skin . f UIM-..-I Uj 
and temple 
cursed upwards 
Poison duct 
Sheath of fangs 
Poison gland 
Poison fangs. Upper jaw 
1. Naja Ha/.^ 
(Proteroglyphous Colubrine type) 
Adult length - (approx.) 2 metres 
2. EcHIS CARINATUS 
Adult length = (approx.) 720 mm. 
3. Causus rhombeatus 
Adult length (approx.) 700 mm. 
