Memorial issue honoring the late Professor Yukio Yamada. 1977. (Sorui, The Bulletin of Japanese Society of Phycology, Vol. 25, Supplement). Illustrated. 417, XXVIII p. 8vo. Paper bd. In Japanese and English, Japanese contributions with English summaries.

Contents: Abbott, I.A.: On the identity of Zonaria hawaiienses (Phaeophyta, Dictyodales)/ Akioka, H. and T. Masaki: On two Japanesespecies of the genus Clathromorphum (Corallinaceae, Rhodophyta) andtheir Japanese names/ Akiyama, M.: Notes on some Antarctic cryoalgae/Cordero, Jr., P. A.: Phycological observations, V: Gross morphologicalpolymorphisms in Caulerpa brachypus (Caulerpales, Chlorophyta) from Philippines, with notes on their taxonomy/ DeCew, T. C. and J. A. West:Culture studies on the marine red algae Hildenbrandia occidentalis and H. prototypus (Cryptonemiales, Hildenbrandiaceae)/ Fukuhara, E.: On thegeographic distribution of Gelidium sp. from the coast of Hokkaido/Haga, M. and J. Ehara: Observations on vegetative cells and the processof sexual reproduction in Spirotaenia obscura RALFS (Mesotaeniaceae, Zygnematales)/ Hirano, M. and S. Iwaki: Diatoms from the Mt. Yubaridistrict, Hokkaido/ Hirose, H. and N. Ogasawara: Fine structural evidence for the systematic position of Botrococcus braunii Kuetzing,a member of Chlorophyceae/ Shihira-Ishikawa, I.: Reversible conversionbetween heterotrophy and autotrophy in unicellular algae/ Ioriya, T.:A new heterotrichaceaen alga, Tribonema yamadanum sp. nov. (Xanthophyceae/ Kasahara, K.: On the life history of Gymnogongrusflabelliformis HARVEY (Rhodophyta, Gigartinales)/ Kawashima, S.: On theoccurrence of zoosporangial sori on the lamina of Alaria (Laminariales)/Kurogi, M.: Observations on the type specimen of Porphyra variegata(Kjellman) Hus and its comparison with Japanese 'P. variegata'/Lee, I. K. and M. Kurogi: On the taxonomic position of Rhodymenia cuneifolia OKAMURA (Rhodophyta)/ Loeblich III, A. R.: Studies on synchronously divided populations of Cachoninaniei, a marine dinoflagellate/ And some 34 more phycological contributions by different authors.