CONTENTS. Xxiii 



PAOB 



FoRTi, A, ife A. Mazza — Algse of Pianosa 75 



JoNssoN, H. — Algsi of Iceland 75 



Tom, G.B.Ds— Old Hortus Siccus 75 



„ „ Necrology of Algulogigts 76 



BlBLIOQKAPHT 76 



NoRDSTEDT, 0. — AUjological Notes •206 



Ferhot,B.. & C. h. GATin—Alyae and their Uses 206 



LuTz, L. — Algal Figures formed in Flashs 206 



Senn, G. — Oxyrrhis and Nephroselmis 206 



Bethgb, B..— Plankton of the Havel 207 



Paulsen, O. — Plankton on Stibmarine Bank 207 



WoNiscH, F. — Algae of Styrian Springs 207 



LiMANOwsKA, H. — Sioixs Fresh-water Algx .. .. 207 



CoM^RE, J. — Fresh-water Algx of Toidouse and Pyrenees 208 



West, G. S. — Algse of Cambridgeshire 208 



Letts, E. A., & E. H. Richards— fTZm ajK? ySewajre 208 



Brand, F. — Chlorodesmis and Uhylisiphon 208 



Howe, M. A. — Algx of Lower California 208 



Cammerloher. H. — Adriatic Algse 208 



T)KGK^}iBKCu,CYO-s—Algx of the Black Sea 209 



Sauvageau, C. — Cystoseira 209 



ElCHARD, J. — Fucus 209 



„ Polymorphism of Fucus 209 



Heydrich, F. — Lithophyllum incrustans 210 



LoHMANN, H. — Xannoplanliton and the Centrifugal Method 828 



Heedman, W. A. — Vernal Phytoplankton 328 



„ „ Dinoflagellate and Diatoms on Beach 328 



Breum, Y.—Potamoplankton 329 



MAi^GiT^i, L.— Variability of Peridinim 329 



Whitmore, E. E.— Proipazefc/a 329 



Bji.cn-aAi!ii^,B..— Swiss Phytoplankton 329 



WoLOSZTNSKA, J. — New Plankton from Poseu .. 329 



Bachjiann, B..— Phytoplankton of Fresh-water 329 



Pascher, A. — Marine Flagellatx in Fresh-water o30 



,, „ Nannoplankton 330 



Soherffel, J. — Chrysomonadinex 330 



Dangeard, P. A. — Pyreiioid in Cryptomonudinex 330 



WoLOSZTNSKA, J. — Winter Plankton 331 



Schiller, J. — Peridinise of the Adriatic 381 



Carrisso, L. W. — Portuguese Plankton 8:;J 



^lAiAGis,!,.— Phytoplankton of West Coast of Africa 331 



MiJLLER, O. — Actinoclava, a New Fossil Diatom 831 



Schroder, B. — Rhizosolenia 832 



HusTEDT, F.— J <Za« o/ Dmfomace/e 332 



Pavillabd, J. — Mediierranean Diatoms 832 



y^ mi, \f. &G.>^.— British Detmidiacem 332 



Migula, W.—Desmidiacex 832 



STEUiECKE.F.— Detidroid Colonies of Desmids 382 



Chatton, E. — Pleodorina in France 882 



West, W.&G.S.— Antarctic Algie 333 



WissELiNGH, C. VON — Nuclear Structure of Closterium 333 



Gaudndi Y Ballester, J. — Spanish Diatoms 888 



Palmer, T. C. — Navicula socialis 838 



KuRSSANOW, Jj.—Zygnema 334 



Moreau, F. — Extranuclear Chromatin in Vaucheria 334 



GmGGs,R. ¥.—Rodochytrium -tl? 



WissELiNGH, C. VAN— CWZ-(caZZ o/ CZos<erm»t -tl" 



Goi&kRE. J .—Fresh-water Algse ilS 



West. W. &G.^.— Periodicity of British Lake Phytoplankton 418 



^IvRRAY, J.— Periodic Pond-flora 418 



KOLKWITZ, R.—Phuikton (f the Ithine -11^ 



I^mA^oviSKA, S.— Swiss Fresh-water Algie ^^^ 



Steiher, G.—Swiss Lake Algx ^^^ 



