PLATE XXXIII. 



Corynura gracilis, n. gen. and sp. 

 Fig. 1. Male, seen from below. 



Fig. 2. Female, seen from right side ; both magnified 50 diameters. 

 Fig. 3. Anterior antenna of female. 

 Fig. 4. Denticulated portion of right male antenna. 

 Fig. 5. Posterior antenna. 

 Fig. 6. Mandible and palp. 

 Fig. 7. Maxilla. 

 Fig. 8. Anterior foot-jaw. 



Fig. 9. Posterior foot-jaw. 



Fie. 1 0. One of the swimming feet. 



Fig. 11. Fifth pair of feet of male. 



Fig. 12. Fifth pair of feet of female. 



Fig. 13. Abdomen and tail of female, seen from front. 



Fig. 14. The same seen laterally. 



