FIG. Villa. Lateral view of the egg represented in Fig. VIII. 



FIG. IX. Ventral view. 48-50 hours. The rudiments of the 

 silk glands (SlkGl) are beginning to elongate. 



FIG. X. Ventral view, 52-54 hours. The rudiments of the 

 silk glands (SklGl) are about one-half of the length of the 

 embryo. 



