62 



OPHIDIAN EEPTILES. 



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

 Zoological Gardens is estimated to weigh a hundredweight. 



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

 imperfectly known. 



Fig. li.—(juinea Bock Snake («, Scba). 



IV. Epirratc^, 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 bro\«i rings running the whole 



