4:12 Illinois State Laboratory of Eatural History. 



EXPLANATION OF PLATES. 



Plate XXXV. 



Pristina leidyi. 



Fig. 1. A slightly oblique transverse section passing 

 through the glands of the genital setce in the posterior 

 part of VI, and through the duct of one spermatheca 

 in the anterior part of VII. The septum is not shown. 

 X 335. 



Fig. 2. Transverse section near the middle of VII, 

 passing through the snerraathecae. X 335. 



Fig. 3. A slightly . ique transverse section passing 

 through the spermiducal funnel in the posterior part of 

 VII and the glandular part of the sperm-duct in the an- 

 terior part of VIII. X 335. 



Fig. 4. Diagram showing the arrangement of part of 

 the reproductive organs. Setse are relatively too smalL 



Fig. 5. A ventral seta. X 550. 



Fig. 6. Distal portion of a dorsal seta. X 1000. 



