62 



OPHIDIAN EEPTILES. 



a native of the warmer parts of Africa. A living specimen at the 

 Zoological Gardens is estimated to weigh a hundredweight. 



Of the genera Liasis and Nardoa there are five species, very 

 imperfectly known. 



Fig. 14. Guinea Rock Snake (H. Sebce). 



IV. Epicrates, an American and West Indian species, having 

 the crown scaly ; the forehead with symmetrical shields. 



The Aboma (E. cenchria) is one of the largest of the group, 

 sometimes attaining dimensions quite gigantic. It is yellowish 

 in colour, with a row of large brown rings running the whole 



