16() ON THE MORPHOLOGY OF THE LEPIDOPTEEA. 



Fig. 76. A transverse section through the ventral apertures of the two odoriferous glands, od.ffl., showing 

 the greater depth of the vestibule, v, in a pupa between seven and eiffht days old. The section 

 passes through the apices of the cells forming the anterior wall of the vestibule ; the contour 

 of the latter is indicated by dotted lines. 



Fig. 77. A transverse section through the oviducal or posterior aperture of the azygos oviduct, od.', with 

 the right lateral fold, x , of the hypodermis, w hich is now much deeper as compared with 

 fig. 75. cu.l'., filaments and bands of the cuticular liquid {?). From a pupa between si.r 

 and seven days old. 



Fig. 78. Transverse section through the anus, an., and the right lateral fold, x , of the hypodermis, from 

 a pupa between seven and eiffht days old. The terminal papilla is now, as may be concluded 

 from this figrure, of considerable size. 



