PLATE XII. 



Pleuromma abdominale (Lubbock). 



Fig. 1. Anterior antenna of female. 



Fig. 2. Left anterior antenna of male. 



Fig. 3. Mandible. 



Fig. 4. Maxilla. 



Fig. 5. Anterior foot-jaw, with eye. 



Fig. 6. Posterior foot-jaw. 



Fig. 7. Foot of first pair. 



Fig. 8. Foot of second pair, female. 



Fig. 9. Foot of third or fourth pair. 



Figs. 10, 11. Fifth pair of feet of male (two different specimens). 



Figs. 12, 13. Fifth pair of feet of female (two distinct stages). 



Fig. 14. Abdomen of male. 



Fig. 15. Abdomen of female. 



Fig. 16. Abdomen of female seen laterally, showing receptaculurn seminis and fifth pair 

 of feet. 



(The figures in this Plate are for the most part drawn from what seems to be an 

 immature form, — identical with Pleuromma gracile, Claus.) 



