85 



Fishermen often drag them up in tlieir nets, and 

 should be requested to preserve any they may 

 find. It also often happens that among' the es- 

 culent shell-fish brought to market, other shells 

 may be found. Gales of wind, and storms, often 

 throw up live shells on the beach : collectors 

 should search for them immediately on the 

 ebbing of the tide. The coasts of Cornwall and 

 Devonshire are the most productive in Eng- 

 land. 



Many fresh water species may be collected 

 when Jishing for insects ; and an immense num- 

 ber of species of snails (Helix,) Sec, might be 

 got together in the course of one year, while 

 in search of insects. Those who are interested 

 in the study of Conchology will, of course, keep 

 the animals alive a few days, in order to observe 

 their structure and habits. The collector should 

 ever bear in mind, that none should be neglect- 

 ed from their apparent similarity. 



When it is wished to kill the animal in the 

 shell, it should De put into scalding water for a 



