34 



Mai'vels of Pond-Life. 



devoured through the indiflPerence; or want of appetite^ 

 which the polyp evinced. 



A, Canfhocamptus minutus ; B, Chydorus splKEricus ; C and 

 D, Capsules and poison-tliread of polyp j E, Tricodina pedi- 

 culus, side view and under view; F, Kerona polyporum. — 

 Microg. Did. 



On the body of the Canthocamptus were some 

 small transparent vases or bottles^ containing living 

 objects, which sprang up and down. These were 



