PLATE XLVII. 



Figs. 1-12. Sarphirina ovalis, Dana. 

 Fig. 1. Male, seen from above; magnified 40 diameters. 

 Fig. 2. Female, seen from above; magnified 40 diameters. 

 Fig. 3. Anterior antenna of male. 

 Fig. 4. Anterior antenna of female. 

 Fig. 5. Posterior antenna of male. 

 Fig. 6. Posterior antenna of femah. 

 Fig. 7. a, Mandible ; b, maxilla. 

 Fig. 8. Anterior foot-jaw. 

 Fig. 9. Posterior foot-jaw. 

 Fig. 1 0. Foot of fourth pair. 

 Fig. 11. Foot of fifth pair. 

 Fig. 12. Last thoracic segment and abdomen of female. 



Figs. 13-16. Saphirinella stylifera (Lubbock). 

 Fig. 13. Anterior foot-jaw, seen from side. 

 Fig. 14. Caudal stylets. 



Fig. 15. Male genital organs, — t, testis; r.s. receptaculum seminis. 

 Fig. 16. Nervous centres, — a, brain; bb, antenna! nerves; cc, pedal nerves. 



