( xliii ) 



this is a third cover closely attached, and similar to the second 

 but of still finer texture (Fig. 4, d)^ in which the pupa lies. 

 The water enters under the anterior margin, which is some- 

 times fastened down at one or two points, and through the 

 anterior holes, and passes out through the posterior holes, the 

 pupa is thus kept dry but well supplied with air. The cocoon 



Fig. 3. 



Transverse section, showing ventral view of anterior end. 

 6. Dome. c. Outer cover. /. Pillars of arches. 



varies in size and shape according to the position in which it 

 is built. 



' ' We took several pupae home and constructed a suitable 

 breeding-cage, in which we hatched out the moth, and also a 

 large Ichneumonid. We had noticed the cocoon and emergence 



Fiu. 4. 



Diagrammatic section through centre of cocoon. 



6. Dome. c. Outer cover, d. Inner cover, e. Pillars. 



holes of this parasite at the time when we were collecting 

 the material. 



" Copulation took place at night : the male flutters over the 

 female for a few seconds and then they unite very quickly. Two 

 nights later eggs were laid. The eggs are numerous and de- 

 posited in rather irregular and straggling batches, but mostly 

 in contact with and adhering to one another. They are obtusely 



