418 



DESCRIPTIONS OF THE PLATES. 



DESCRIPTION OF PLATE XVI. 



Laboulbenia elongata Thaxter. 



Pigs. 1, 2. Two mature individuals. On Platynus extensicollis. A 12. 



Pig. 3. Branch of inner appendage with antheridia. D 12. 



Pig. 4. Mature individual from Platynus cincticollis, typical form. A 2. 



Pig. 5. Spore of Pig. 4. D 4. 



Pig. 6. Porm on Colpodes purpuripennis. A 2. 



Fig. 7. Spore of Pig. 6. D 4. 



Fig. 8. Form on Platynus Jloridanus. A 2. 



Fig. 9. Younger individual (see fig. 4) on Platynus cincticollis. A 2. 



Fig. 10. Form on elytra of Platynus cincticollis. A 2. 



Fig. 11. Form on Platynus extensicollis. A 2. 



Fig. 12. Form on Colpodes duplex. A 2. 



Pig. 13. Form on Platynus dissectus. A 2. 



Fig. 14. Porm from legs of Platynus cincticollis. A 2. 



Laboulbenia europcea Thaxter. 



Fig. 15. Mature individual from Chlcenius ceneocephalus. A 12. 

 Fig. 16. Spore. D 4. 



Fig. 17. Part of inner appendage with antheridium. D 12. 



Laboulbenia Pterostichi Thaxter. 



Figs. 18, 19. Two mature individuals. A 12. 



Fig. 20. Branch of inner appendage with two antheridia. D 12. 



Fig. 21. Spore. D 4. 



Laboulbenia parvula Thaxter. 



Figs. 22, 23. Two mature individuals. A 12. 

 Fig. 24. Spore. D 4. 



