190 



SNAKES. 



The head is markedly distinct from the neck ; the nostrils are directed upwards 

 and placed between three pairs of nasal shields, of which the hindmost are those 

 which meet in the middle line; the small eye has the pupil vertical; the body 



THE HOME OF THE ANACONDA. 



is cylindrical ; and the tail is short and slightly prehensile, with a single row of 

 shields interiorly. In colour the anaconda is greyish brown or olive above, with 

 either one or two series of large blackish transverse spots, and a single or double 



