262 NATURAL HISTORY. [cH. XV. 



below is composed of two semicircles joined to- 

 gether. 



Fig. 1, the furbelow-mantle seen stuck to the leaf. 

 2, the mantle separated. 



Another moth (psyche graminella) covers its silken 

 coat with bits of grass, and seems as if it were pro- 

 tected by a coat of mail or a covering of tiles. This 

 appears to be done in order to give strength and con- 

 sistence to the silken tube, and enable it to sustain 



Mantle of Psycho Gramirmlla 



