Fig. VII. Ventral view. 42-44 hours. The lateral plates 

 {LP) are almost completely united. The head fold of the 

 amnion (Am) covers about one quarter of the ventral surface. 



Fig. Vila. Lateral view of the same egg as that shown in 

 Fig. VII, showing the outlines of the germ band, and the 

 procephalic lobes (ProL).' 



Fig. VIII. Ventral view. 44-46 hours. Appearance of the 

 appendages, silk glands, and tracheal system. 



