232 



BARKER. 



PLATE I. 



Pachypsolus brachus. 



FlGtTRE 1. 



Figure 2. 

 Figure 3. 



Figure 4. 

 Figure 5. 

 Figure 6. 



Ventral view. X 40. Scale line, at the margin, represents 1 mm. 

 Dorsal view of unmounted specimen. X 40. Scale line 1 mm. 

 Cirrus pouch, vagina, acetabulum, etc. Composite view ob- 

 tained by superposing several successive para-sagittal sections. 

 X8Q. 



Eggs with and without lid. X 110. Scale line 0.1 mm. 

 Dorsal view. X 40. Scale line 1 mm. 



Reconstruction of female genitals, based on frontal and 

 sagittal sections. X 60. 



