flitturid H)istorp of 



, near Dordjcster* 



By CYRIL DOUGLAS DAY, B.A. (Cantab.) 



FIRST-CLASS HONOURS IN NATURAL SCIENCES TRIPOS. 



(The Mansel-PUydell Prize Essay, 1912.) 



E who could explain but a few of the more 

 interesting and intricate problems presented 

 in a drop of water from a pond would be 

 indeed a great scientist. Even to attempt 

 to give a very brief account of the morphology 

 and physiology of a few of the more wonderful 

 and instructive organisms which one finds 

 in one part of the pond is no mean task, and 

 this is greatly increased when we consider the various parts 

 under the influence of the several seasons and other con- 

 ditions. 



The pond selected for investigation is situated two and 

 a-half miles from Dorchester, a few yards north of the Tincleton 

 road, and is known as Bhompston Pond ; here indeed is a 

 wealth of plant and animal life. What complex structures, 

 what intricate movements and exhibitions of beauty are 

 here displayed ! In the water among the algae and other 



