Cymbella. 
Balatonis Grun. 
bengalensis Grun. 
Beverleiana A. S. 
Botellus Lest. 
Cesatii (Rbh.) Grun. 
Cistula Hempr. 
— y, maculata RK. 
— y. arctica Lgst. 
Oueumis A. S. 
eurta A. 8. 
euspidata K. 
eymbiformis (Ag.) K. 
Davidsoni Grun. 
deleeta A. S. 
delicatula K. 
Ehrenbergi RK. ° 
— y. deleeta A. S. 
gracilis Rbh. 
helvetica K. 
hereynica A. S. 
heteropleura Ralfs 
— y. minor Cl. 
— v. subrostrata Cl. 
integra A. S. 
Janischi A. 8. 
kamtschatica Grun. 
leptoceros (E. ?) Grun. 
— y, excisa Pet. 
laeustris Ag. 
laevis Naeg. 
lanceolata E. 
Lunula Rbh. 
maculata K. 
mexicana E. 
minuscula Grun. 
minuta Hilse 
Moelleriana Grun. 
Navieula (E.) 
navieuliformis Auersw. 
norvegica Grun. 
obtusa Greg. u. Var. 
obtusiuseula (K.?) Grun. 
parva W. Sm. 
— v. hungarica Grun. 
prostrata Berk. 
pusilla Grun. 
Reinhardti Grun. 
rupicola Grun. 
salinarum Grun. 
Schmidti Grun. 
scotica W. 
semicireular 
silesiaca Bleisch 
stauroneiformis Lest. 
10, 19, 
9, 12.13. 71, 79.=(. aspera v. beng. Grun. 
71, 5661. — Navie. brachysira Breb. 
71, 39. 
71, 48.49. 
10, 1-5.24—26. 71, 21.25. 72, 15—17. 
10, 6. 71, 20.22. 
Ders 123.28 
‚ 50.53—55. 
9, 76—79. 10, 13. 
71, 75—78.= 0. americana v. acuta A. S. 
9, 17. 71, 50.= €. Ehrenbergi v. del. A. S. 
71, 54.55. 
9, 6-9. 71, 74. 
Oz, 80! 
71, 35.36. ef. ©. leptoceros (E.?) Grun. 
9, 1.2. 72, 12-14.26—28.=(. aspera BR. 
10, 36. 37.39.40. 72, 20.21. 
10, 20—23. 71, 19. 
30.31.= Ü©. amphiceph. v. here. A. S. 
4.5. 
51.52. 
S 
71, 64-66. — Navic. integra W. Sm. 
71, 81. 
10, 31.=C. mexicana E. 
71, 14.15.— (0. ventricosa K. 
10, 6. 71, 20.22. — C. Cist. v. mac. K. 
10, 31-33. 71, 82. 
9, 58-61. 
71, 30.31.= 0. ventrie. K. 
O7: 
9, 35?=(. laevis Naeg. 
OMba3 
9, 67.68. 10, 38. 41. 
9, 41-45. 71, 72.=C. aequalis W. Sm. 
9, 49. 
10, 14.15. 
9, 38. 10, 16.17. 71, 37.3 
10, 64-69. 71, 6—9. 
9, 36, 
7: 
alle 
9, 28.—= C. tumidula v. sal. Grun. 
9,48 
10, 
71, 26. 
10, 59. = (. ventricosa RK. 
71, 62.63. 
— ('. helvetica K. 
