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OCCASIONAL PAPERS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Number 158 
17:235-245, 4 pis. 
[3942] Williams, D. M. 1990. Ontogeny and phylogeny in 
the genus Tetracyclus. In John Patrick Kociolek, ed., 
Proceedings of the 11th International Diatom Sympo¬ 
sium. Memoirs of the California Academy of Sciences 
17:247-256, 4 figs., 1 table. 
[2609] Khursevich, Galina K. 1990. Evolution and phylo- 
gey of some diatom genera of the class Centrophyceae. 
In John Patrick Kociolek, ed., Proceedings of the 11th 
International Diatom Symposium. Memoirs of the 
California Academy of Sciences 17:257-267, 4 pis. 
[2612] Khursevich, Galina K. 1990. Morphology and tax¬ 
onomy of some centric diatom species from the 
Miocene sediments of the Dzhilinda and Tunkin 
Hollows. In John Patrick Kociolek, ed., Proceedings of 
the 11th Intema-tional Diatom Symposium. Memoirs of 
the California Academy of Sciences 17:269-280, 4 pis. 
[2617] Kobayasi, Hiromu, Shinji Kobori, and Satoshi 
Sunaga. 1990. Taxonomy and morphology of two forms 
of the Nitzchia sinuata complex. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California Acad¬ 
emy of Sciences 17:281-289, 4 pis. 
[3015] Ognjanova-Rumenova, N., D. Temniskova- 
Topalova, and M. Valeva. 1990. Ultrastructure of 
Fragilaria Lyngbye spcies (Bacillariophyta) from 
Neogene sediments in Bulgaria. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California Acad¬ 
emy of Sciences 17:291-300, 4 pis. 
[3638] Temniskova-Topalova, D., M. Valeva, and N. 
Ognjanova-Rumenova. 1990. Nonmarine biostratigra¬ 
phy of some genera of the class Centyrophyceae from 
southern Bulgaria. In John Patrick Kociolek, ed., 
Proceedings of the 11th International Diatom Sympo¬ 
sium. Memoirs of the California Academy of Sciences 
17:301-310, 2 pis. 
[2717] Licea, Sergio. 1990. Thalassiosira species from the 
southern Gulf of Mexico. In John Patrick Kociolek, ed., 
Proceedings of the 11th International Diatom Sympo¬ 
sium. Memoirs of the California Academy of Sciences 
17:311-335, 2 figs., 4 tables, 6 pis. 
[3482] Solliday, James D. 1990. Morphological variations 
in fossil diatoms from Mono Lake. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California Acad¬ 
emy of Sciences 17:337-348, 2 figs., 1 table, 4 pis. 
[1679] Gronlund, Tuulikki. 1990. Lagoonal diatom flora of 
the Holocene baltic Litorina Sea in comparison with the 
Eemian Baltic Sea Flora. In John Patrick Kociolek, ed., 
Proceedings of the 11th International Diatom Sympo¬ 
sium. Memoirs of the California Academy of Sciences 
17:349-357, 4 figs. 
[2772] Loseva, Emma. 1990. Marine Pleistocene diatom 
assemblages of Northeastern Europe. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California 
Academy of Sciences 17:359-369, 2 figs., 1 table, 3 pis. 
[3251] Risberg, J., and P. Sandgren. 1990. Shore displace¬ 
ment in the Stockholm area, Sweden, during the early 
Holocene as recorded from diatom and magnetic analy¬ 
sis — A preliminary report. In John Patrick Kociolek, 
ed., Proceedings of the 11th International Diatom 
Symposium. Memoirs of the California Academy of 
Sciences 17:371-386, 8 figs. 
[3968] Williams, Kerstin M., and Steven L. Forman. 1990. 
Diatoms and sediment of a modem glacial Fjord 
Environmanet, Western Spitsbergen. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California Acad¬ 
emy of Sciences 17:387-398, 4 figs., 2 tables. 
[1461] Fourtanier, Elisabeth, and Robert Oscarson. 1990. 
Ultrastructure of some interesting and stratigraphically 
significant diatom taxa from the Upper Paleocene to 
Lower Eocene sediemnts of ODP site 752, Eastern 
Indian Ocean. In John Patrick Kociolek, ed., Proceed¬ 
ings of the 11th International Diatom Symposium. 
Memoirs of the California Academy of Sciences 17: 
399-410, 5 pis. 
[3894] White, Lisa D. 1990. Diatom biostratigraphy of 
chert intervals in the Miocene Monterey Formation at 
Pt. Reyes, Pt. Ano Nevo, Mussel rock, and Lions Head, 
California. In John Patrick Kociolek, ed., Proceedings of 
the 11th International Diatom Symposium. Memoirs of 
the California Academy of Sciences 17:411-424, 6 figs., 
4 tables. 
[2687] Leskinen, Elina, and Guy Hallfors. 1990. Dynamics 
of epiphytic diatoms on Cladophora glomerata in the 
Tvaarmine Archipelago, Northern Baltic Sea. In John 
Patrick Kociolek, ed., Proceedings of the 11th Intema- 
tional Diatom Symposium. Memoirs of the California 
Academy of Sciences 17:425-435, 3 figs., 2 tables. 
[1482] Fryxell, Greta A. 1990. Planktonic marine diatom 
winter stages: antarctic alternatives to resting spores. In 
John Patrick Kociolek, ed., Proceedings of the 11th 
International Diatom Symposium. Memoirs of the Cali¬ 
fornia Academy of Sciences 17:437-448, 1 table, 2 pis. 
[2826] Marshall, Harold G. 1990. Spatial and temporal 
diatom relationships in the Lower James River, Virginia, 
USA. In John Patrick Kociolek, ed., Proceedings of the 
11th International Diatom Symposium. Memoirs of the 
California Academy of Sciences 17:449-457, 3 figs., 2 
tables, 1 pis. 
[1] Aasheim, Solveig. 1990. Diatom stratigraphy and envi¬ 
ronmental history of a small lake basin in southwest 
Norway. 1. The last 4000 years. In John Patrick 
Kociolek, ed., Proceedings of the 11th International 
Diatom Symposium. Memoirs of the California Acad¬ 
emy of Sciences 17:457-464, 3 figs. 
[2812] Main, S. P. 1990. Diatoms in alkaline peat: preser¬ 
vation and extraction. In John Patrick Kociolek, ed., 
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