126 



HABITS OF WORMS. 



CIIAP. IE. 



largest received by me was 3^ inches in 

 height and 1*35 inch in diameter ; another 



Fig. 3. 



A tower-like casting, probably ejected by a species of Perichasta 

 from the Botanic Garden, Calcutta : of natural size, engraved 

 from a photograph 



was only | inch in diameter and 2| in height. 



