10 H. J. Webber — 
19. COSMARIUM Corda. 
21. C. BROOME Thwaites. In material from Minden, collected by 
Dr. Hapeman Oct. 19 (Woods). 
20. XANTHIDIUM Ehrb. 
22, X. rascrcuLatum (Ehrb.) Ralfs. In material from Minden, col- 
lected by Dr. Hapeman (Woods). 
21. ARTHRODESMUS Ebrb. 
23. A. ocTrocorNiIs Ehrb. In material from Minden, collected by Dr. 
Hapeman (Woods). 
22. EUASTRUM Ehrb. 
24, E. inerRME Lund. In material from Minden, collected by Dr: 
Hapeman (Woods). 
23. MICRASTERIAS Ag. 
25. M. ammricaNa (Ehrb.) Kg. Minden, in material collected by Dr. 
Hapeman (Woods). 
26. M. speciosa Wolle. Minden. In material collected by Dr. Hape- 
man (Woods). 
24, STAURASTRUM Meyen. 
27. S. aRISTIFERUM Ralfs. Minden. In material collected by Dr. 
Hapeman (Woods). 
11. DIATOMACE. 
25. GOMPHONEMA. 
28, G. ACUMINATUM Ebrb. var. LaTicePS Ehrb. Minden. In ma- 
terial collected by Dr. Hapeman. (Bessey). 
12. ENTOMOPHTHORACE. 
26. EMPUSA Cohn. 
29. E. apHIDIS Hoffman. On Aphis Sp. on Polygonum. Ashland. 
Oct. (Williams). 
OOPHYTA. 
18. CEDOGONIACEE. 
27, GEDOGONIUM Lk. 
30. CH. BORISIANUM (Le Cl.) Wittr. In material from Minden col- 
lected by Dr. Hapeman (Woods). 
31. Ge. peLicatumM Kg. Minden. In material collected by Dr. Hape- 
man (Bessey) . 
28. BULBOCHETE Ag. 
32. B. POLYANDRA. Cleve. Minden. In material collected by Dr. 
Hapeman (Bessey). 
