Plate 5 
(The figures are copied after T. Rupert Jones’s plate, Monthly Microscopical Jour., 1870.) 
1. Bairdia curta McCoy. Fig. 13. Entomis biconcentrica Jones. 
2. Thlipsura corpulenta Jones & Holl. 14. Primitia renulina J. & H. 
3. Cythere Jukesiana J. & H. xr, 15. Kirkbya Urei Jones. 
4. Cytherella brevis Jones. . 16. Moorea silurica J. & H. 
5. Cytherellina siliqua Jones 17. Leperditia Balthica Hisinger. 
6. AZchmina cuspidata J. & H. . 18. Isochilina gracilis Jones. 
7. Carbonia Agnes Jones. ‘ig. 19. Beyrichia Wilckenziana Jones. 
Fi 8. Cypridina Phillipsiana Jones. . Beyrichia Kloedeni McCoy. 
Fig. 9. Cypridella Koninckiana Jones. 21. Beyrichia complicata Salter. 
Fig. 10. Cyprella subannulata Jones. 22. Leaia Leidyi Lea. 
Fig. 11. Entonoconchus Scouleri McCoy. 23. Estheria membranacea Patch. 
Fig. 12. Entomis divisa Jones. 24. Estheria tenella Jordan. 
