Vll 



LIST OF THE PLATES. 



Plate 



1-3. Spermatogenesis in /S'ie?ioJoiA?'?{s. 



4-6. New Hexactinise. 



7. Blattidse in Amber. 



8. AtnpMdinium operculaticm. 



9. British Rliizopods, 



10, 11. jYitrocrameira hdelhirce. 



12. Rhizopoda and Heliozoa. 



13, 14. Diazona. 



15. Rhizopoda from North and South America. 



16. Ajjhareocaris. 



17. Map showing localities of Mollusca. 



18. Mollusca from White Nile. 



19. Spolia Runiana. 



20. 21. Oral Appendages of Isopoda. 

 22, 23. Tentacles of Blennius. 



24, 25. Schizoneitra lanigera. 



26, 27. Syndexamine carinata, nov. gen. et sp. 



28. Easchistus variolarhis, E. serrns and hybrids. 



29-33. F., Hybrids from E. variolarius and E. serrns. 



34. E. variolarius males and males from F^ $ x E. variolarius. 



35. Gastropoda from Madagascar. 



36. 37. Terrestrial Isopoda. 



38. Lernwodiscus, F. Muell. 



39, 40. The genus Deto, Guerin. 



41. Intromittent Organs from Euschistus variolarius, E. servus and hybrids. 



42-46. Intromittent Organs from F., hybrids from E. variolariu,s and E. serv^is. 



47. Intromittent Organs from E. variolarius males and males from F^ 5 X 

 E. variolarius S . 



Trinidad Thysanoptera. 



Isojood from Guiana : Calycuoniscus. 



New Species of Edwardsia, Quatr. 



