XX11 CONTENTS. 



PAGE 



Naumann, E. — Colouring of Fresh-water by Algie 367 



Kaiser, P. E. — Algal Flora of Traunstein and the Chiemgau 368 



Gbeguss, P. — Diatoms of Surian :;,; 8 



Hustedt, F. — Tetracyclus 368 



Lobik, A. J. — Russian Desmids 368 



Schmid, G. — New Oscillariacem 368 



Chodat, R. — Fresh-water Algie in Culture 369 



Hoffmaxn-Grobety, Amelie — Unicellular Algae .. .. 369 



Wittmack, L. — Bed Snow 369 



Kobniloff, M. — Gonidia of Cladonia 369 



Buder, J. — Cldoronium mirabile 369 



Lutkemuller, J. — The Genus Cylindrocystis 370 



Blanchard, F. N. — Stigonema 370 



Plimecke, 0. — Gonium pectorale 371 



Conrad, W. — Eudorina elegans :; 71 



Sauvageau, C. — Cladostephus 371 



Svedelics, N. — Spores on Sexual Plants of Nitophyllum punrtatum 372 



„ Delesseria sanguinea 372 



Mazza, A. — Marine Alga? . 373 



Kofoid, C. A.— Symmetrical Prvtophyte 468 



(Jhatton, E. — Autogenesis of Nematocysts 468 



„ Structure of certain Parasitic IHnoflagellates .. 469 



Pascheu, A.— Fresh-water Algse (Flagellatm) .. 469 



Naumann, E. — Notes on Fresh-water Algae 469 



Woloszy^ska, J. — Fresh-water Species of Ceratium .. 470 



Paschkb, A. — Flagellata) and Cyanophycem 470 



Burton, J.— Flagellum of Euglena 470 



Conrad, W. — Eudorina elegans 470 



Acton, Elizabeth — Cytology of the Chroococcarese 471 



Conrad, W., & H. Kufferath — New Protococcacem 472 



Brown, N. 'E,.— Structure of Diatoms 472 



Pavillard, J — Coscinodiscus oculus-Iridis 472 



Laubt, A.— Fossil Diatoms 473 



Handmann, R., & F. Y. Schiedler — Austrian Diatoms 473 



Com ere, J. — Fresh-water Algx in relation to Medium 473 



Kasanowsky, U., & S. Smirnoff— Spirogyra 474 



Moheau, F. — Division of Mitochondria in Vaucheria 474 



Virieux, J. — Dichotomosipliou and Mischococcus 474 



Kufferath, H. — Porphyridium cruentum .. 474 



Iltis, H. — Symbiosis between Planorbis and Batrachospemum 475 



Setchell, \V. A.— Parasitic Floridex 475 



Yendo, K. — New Japanese Algae 475 



Gain,!,. — Algae of Atlantic Islands 475 



Hy, F.— Characex of France 476 



Playfaib, G. I.— Planlcton of Bichmond Biver, N.S. W 562 



Spargo, M. W— Chlamydomonas 563 



Brown, N. E.— British Diatoms 563 



Mangin, L. — Polymorphism of certain Antarctic Diatoms 563 



Meyer, K. — Microspora amcena 564 



Getman, M. R. — Oogenesis in Hormosira 564 



Borgesen, F. — Marine Algae of the Danish West Indies 564 



Segers-Laureys, A. — Officinal Algae 565 



Howe, M. A.— Marine Algae of Peru 565 



