15. Cymatopieura solea var. piculata Sm. Sw. Holstein.
14. " elliptica Bréb. Sw. Holstein.

## Nitzschieae.

Reihe III No. 1 Denticle frigida K. z. Dresden.

2. Tryblionella Victoriea Grun. var. Fossil. Australien.

3. Nitzschia Amphioxys Sm. Sw. Holstein.

4. " hungarica Grun. Sw. Schleswig.

5. " Formica Hantzsch. Seew. Puerto Cabello.

## Cocconeideae.

6. Campyloneis Grevillei Grun. var. Seew. Japan.

7. Orthoneis splendida (Greg.) Grun. Seew. Japan.

8. Cocconeis Scutellum Ehrbg. Seew. Kiel.

9. " Pediculus Ehrbg. Sw. Holstein.

10. Mastogloia Braunii Grun. var. Seew. Rügen.

## Achnantheae.

11. Achnanthes subsessilis Kg. Seew. Kiel.

12. Achnanthidium flexellum Bréb. Sw. Holstein.

13. Rhoicosphenia curvata Grun. Sw. Elbe.

## Cymbelleae.

14. Cymbella Ehrenbergii Kg. Fossil. N.-Amerika.

15. " amphicephala Nägl. Sw. Holstein.

16. " gastroides Kg. Fossil. Lüneburg.

17. Cocconema lanceolatum Ehrbg. Sw. Holstein.

18. Encyonema paradoxum Kg. forma maxima. Sw.

19. Amphora ovalis Kg. Sw. Holstein.

WEDEL in Holstein, Januar 1869.

## Eupodisceae.

Reihe VI. No. 1. Eupodiscus Argus Ehrbg. Seew. Cuxhaven.
2. radius Bailey Seew. Puerto Cabello.

3. Actiscyclus Ralfsii. Sm. Seew. Cuxhaven.

4. Aulodiscus scaber Ralfs. Peru-Guano.

5. Auliscus sculptus (Sm.) Ralfs. Seew. Cuxhaven.

## Melosireae.

6. Odontodiscus subtilis (Ehrbg.) Grun. Brw. Wedel.

7. Arachnoidiscus ornatus Ehrbg. Seew. Afrika.

8. Coscinodiscus Oculus Iridis Ehrbg. Fossil. Jütland.

Reihe VII. No. 1. Endyctia oceanica Ehrbg. Peru-Guano.

2. Actinoptychus Splendens (Shadbolt) Ralfs. Seew. Cuxhaven.

3. " undulatus Ehrbg. Seew. Kiel.

4. Pyridicula cruciata Ehrbg. Fossil. Jütland.

5. Stephanopyxis appendiculata Ehrbg. Fossil. Jütland.

6. Hyalodiscus subtilis Bailey. Fossil. Australien.

7. Symbolophora Trinitatis Ehrbg. var. Fossil. Jütland.

8. Cyclotella Astraea Ehrbg. Fossil. Klieken.

9. Podosira maculata Sm. Seew. Cuxhaven.

10. Melosira varians Kg. Sw. Holstein.

11. " nummuloides Dillw. Seew.

12. " arenaria Moore. Sw.

J. D. Möller,
Präparator.