PLATE XLVIII. 



Figs. 1-5. Saphirina incequalis, Dana. 

 Fig. 1. Male, seen from above. 



Fig. 2. Female, s.een from above; both magnified 40 diameters. 

 Fig. 3. Anterior antenna. 

 Fig. 4. Posterior antenna. 

 Fig. 5. One of the swimming feet. 



Figs. 6-8. Sa/phirina gemma, Dana. 

 Fig. 6. Female, seen from above; magnified 40 diameters. 

 Fig. 7. Anterior antenna of female. 

 Fig. 8. Posterior antenna of the same. 



Figs. 9-13. Saphirinella stylifera (Lubbock). 

 Fig. 9. Male, seen from below; magnified 16 diameters. 

 Fig. 10. Anterior antenna. 

 Fig. 11. Posterior antenna. 

 Fig. 1 2. Upper lip. 

 Fig. 13. Posterior foot-jaw. 



