( xlii ) 



constructs a complex cocoon. A stout silken dome is con- 

 structed, with a series of holes near the anterior and posterior 

 edges {h in Figs. 2, 3, and 4). This is fastened down to the rock 

 by its posterior and lateral edges, and by the pillars of a series 

 of arches that join the lateral affixed edges, slightly posterior 



(I. Larval tunnels. 



e. Pillars of dome 



Fig. 2. 

 Ventral view of Cocoon 

 b. Dome. 



c. Outer cover. 

 Pillars of arches. 



to the front margin (/ in Figs, 2 and 3). Two, three or four 

 stout pillars also act as strengtheners to hold the dome (e in Figs. 

 2 and 4). Under this dome is a second cover, formed of finer 

 silk and composed of an upper and lower sheet, with their 

 edges fastened together all round (c in Figs. 2, 3 and 4), Within 



