ii) MAKVELS OF POND-LIFE. 



ought to have observed that the Salpina repeatedly 

 thrust out its gizzard, and used it as an external 

 mouth. In the annexed sketch the Salpina is 

 seen in a position that displays the dorsal open- 

 ing of the carapace. Its three-cornered shape is 

 only shewn by a side view. 



Here w^e close a brief account of what March 

 winds brought in their train. The next chapter will 

 shew the good fortune that attended April showers. 



S:ilpin;i''re(luncu. 



