ze» 141 
TAF. 24. 
Fig. 1. 1. 2. 3. Schizonema sordidum. 
nia Ehrenbergii. 5. Synedra affinis, 6. Podosphenia de- 
bilis. 7. Diatoma vitreum. 8. Rhipidophora elongata, 9, 
Rhipidophora paradoxa. Il. Schizonema araneosum, Il. 
Schizonema floccosum, IV. Micromega fagelliferum. V, 
Micromega patens, VI. Micromega hyalinum. 3. a. b. 
Striatella 
VIII. Micromega myxacanthum, 
TAF. 25. 
Fig. 1. Micromega ramosissimum. 
mega setaceum, 
hyalopus. VIlL, Encyonema 
prostratum, VII, Micromega chondroides, IX, Schizo- 
nema araneosum, 2, * 5. * * Rhipidophora Oedipus, 
unipunctata (120), VII. Micromega tenellum, 
ll. und 111, Micro- 
IV, Micromega hyalinum, V. Micromega 
VL, Micromega medusinum., 
TAF, 26. 
Fig. I, Schizonema plumosum, Il, Schizonema strio- 
latum, Ill, Schizonema Dillwyni, 1V, Schizonema Gre- 
villiir,  V, Micromega intricatum, VI, Micromega bomby- 
einum, VII, Schizonema hydruroides, VIIL Schizonema 
Bryopsis- 1X, Schizonema? mucosum; 
TAF, 27. 
Fig. I, Schizonema Arbuscula, 11, Schizonema para- 
siticum, Ill, Schizonema trichocephalum, IV, Schizonema 
capitatum, V, Schizenema Smithii, Der Parasit auf Fig, 
VI, Schizonema hel- 
VIll, Micromega 
X, Micromega 
XIl, Micromega 
2 und 4, ist Rhipidophora anglica, 
mintosum, VII, Schizonema Scoparium; 
aureum, IX. Micromega corymbosum, 
apiculatum, 
albicans, 
Xl, Micromega spinescens, 
TAF, 28, 
Fig. I, Micromega Polyclados; Il, Micromega, corni- 
eulatum, 111, 1—4 Micromega pallidum, — 5. Naunema 
amphioxys. 5° Podosira moniliformis. 6. Mesocena 
heptagona. 7. Mesocena octogona. 8, Coscinodiscus Na- 
vicans, 9. Actinocyclus Jupiter; 10, Coseinodiscus ceru- 
ciatus, 11, Campylodiscus striatus; 12, Campilodiscus 
radiosus. 13. Cocconeis Placentula. 14. Cocconeis fas- 
ciata, 15. Cocconeis concentrica. 16, Cocconeis mexicana, 
17. Cocconeis decussata, 18, Cocconeis finnica 19. a—d, 
Surirella fastuosa, 20. Dictyocha trifenestra. 21. Suri- 
rella Craticula chilensis. 22. Surirella Craticula. 23. 
Surirella elegans. 24, Surirella Myodon, 25. Surirella 
fiexuosa, 26. Surirella Campylodiscus. 27. Surirella 
euglypta. 28, Surirella elliptica, 29, Surirella bifrons, 
30. Surirella Regula, 31. Synedra Entomon, 32, Syne- 
dra scalaris. 33, Synedra valens, 34, Synedra specta- 
bilis, 35, Synedra praemorsa, 36, Synedra Gallionii. 
37, Navicula amphioxys: 838. Navicula lanceolata, 39. 
Navicula Trabecula, 40, Navicula amphigomphus. 41, 
Navicula amphigomphus P, striata. 42, Navicula Iridis, 
43, Navicula lineolata. 44. Navicula neglecta, 45, Na- 
4. Podosphe- | 
| 
E32 
47, Navicula 
49, Navicula 
51, Navicula biceps. 52, 
vicula rhomboides, 46, Navicula rhombhea, 
amphirhynchus, 48, Navicula dirhynchus, 
Semen, 50. Navicula limbata. 
Navicula peregrina. 53. Navicula Esox. 54, Navicula 
disphenia, 55. Navicula Lyra. 56. Navicula Gastrum, 
57, Navicula Placentula, 58, Navicula pachyptera, 59, 
Navicula Dactylus, 60. 62. Navicula dicephala. 6l, Na- 
vicula dubia. 63. Navicula diomphala. 64, Nav, Piseicu- 
us. 65. Navicula affinis, 66. Navicula ambigna, 67. Na- 
vicula Carassius. 68, Navicula borealis, 69, Navicula 
Bacillum, 70, Navicula gibba. 71, Navicula Termes no- 
dulosa, 72, Navicula borealis. 73. Navicula mesolepta, 
74. Navicula Entomon. 75. Navicula didyma, 
Apis 77. Navicula paradoxa. 
79, und 80, Navicula Tabellaria, 
P. striata. 82. Navicula nodosa. 
84. Navicula mesotyla, 
76. Nav, 
78. Navicula duplicata. 
81. Navicula nodosa 
83. Navieula undosa, 
TAF, 29, 
Fig. 1. Navicula curvula, 2, Stauroneis phyllodes, 
3, Stauroneis gracilis; 4. Stauroneis anceps, 5+ Stauron, 
lineolata, 6, Stauroneis Fenestra. 7, Stauroneis poly- 
gramma, $. Stauroneis dilatata, 9. Stauroneis birostris, 
10. a, Stauroneis icostauron, 10, b, Stauroneis cardinalis, 
1l, Stauroneis Legumen. 12, Stauroneis aspera. 13, 
Stauroneis microstaura. 14. Navicula semen. 15. Suri- 
rella microcora, 16, und 17, Stauroneis amphilepta, 
18. Stauroneis monogramma, 19, Stauroneis constricta, 
20. und 22, Stauroneis Achnanthes. 21, Stauroneis line- 
aris; 23. Stauroneis parva. 24, Stauroneis gihba, 25. 
Fragilaria constricta. 26, Diadesmis sculpta. 27, Am- 
phora naviculariss 293. Amphora lihyca, 29, Amphora 
30, Cocconeis punctata. 31. Cocconeis striata, 
33. Himantidium Papilio. 34, 
Amphiprora constricta. 35. Navicula Cyprinus. 36. Ce- 
37. Stauroneis scalaris. 33. Surirel- 
40, Himantidium gra- 
gracilis, 
32. Cymbella maculata, 
ratoneis laminaris. 
la oblonga. 89. Eunotia depressa. 
cile. 41. Himantidium Gnyanense. 42. Himantidium Mo- 
nodon. 43. Himantidium Arcus. 44. Eunotia amphioxys. 
45. Epithemia Librile. 46. -Eunotia nodosa. 47. Spheno- 
sira Catena. 48. Eunotia Papilio. 49. Eunotia Zygodon. 
50. Eunotia Sella. 5l. Eunotia dizyga, 52. Eunotia sep- 
tena. 53. Epithemia Textricula. 54. Epithemia gibberula. 
55. 56? Epithemia Argus. 57. Epithemia ocellata. 58. Eu- 
notia quinaria. 59. Eunotia quaternaria. 60. Eunotia tri- 
61. Eunotia Camelus. 62. Eunotia declivis. 63. 
64. Eunotia Elephas. 65. Eunotia 
dentula, 
Fragilaria Navieula. 
biceps. 66. Eunotia eingulata. 67. Grammatophora me- 
xicana. 68. Grammatophora undulata. 69. Diadesmis 
laevis. 70. Tetracyclus lacustris. 71. Schizonema cri- 
spum. 72. Surirella peruviana. 73. Gomphonema lanceo- 
latum. 74. Gomphonema Augur, 75. Gomphonema Vi- 
brio, 76. Grammatophora strieta. 77. Grammatophora 
gibba. 73. Grammatophora mexicana, 79. Grammatopho- 
ra angulosa. 80, Climacosphenia moniligera. 81. Eu- 
