452 EXPLANATION OF THE PLATES. 



Fig. 7. Mouth, with the flaps extended. 

 8. Caudal extremity of a young female, with the anus and the undulating toothed 



lateral edges, and projections of these edges. 

 9. The two sword-shaped spicules of the penis, magnified. 

 10. Epithelium from the uterus. 



N.B. The remaining objects on this plate are described in the second volume 

 of the Translation, and are explained in that volume. 



PRINTED BY J. E. ADLARD, BARTHOLOMEW CLOSE. 



