THE CINNAMON SEDGE 



43 



shire chalk-streams. As may be seen in the 

 plate, it is a prettily marked insect with a well- 

 defined lunate patch towards the extremity of 

 the anterior wings. The male insect has a 

 green body, but that of the female is brown. 

 The caddis case of the larva is usually composed 



FIG. 15. Pupal grating of Limnophilus lunatus. 



of pieces of broken shells, and the figure here 

 given has been drawn from a caddis which was 

 reared in my aquarium, in which the soil cover- 

 ing the bottom was composed of a variety of 

 material. The grating made by the larva for 

 the purpose of sealing the caddis case when 



