Additions to knowledge of moss-dwelling fauna of Switzerland OriginalPaper 01 February 1950 Pages: 285 - 295
Contributions to our knowledge of British Algae J. W. G. Lund OriginalPaper 01 February 1950 Pages: 281 - 284
Generic names of algae proposed for conservation Paul C. Silva OriginalPaper 01 February 1950 Pages: 252 - 280
A propos de quelques espèces du genre Trachelomonas Ehrbg. et du genre Strombomonas Defl. trouvées aux Pays-Bas Legacy 01 February 1950 Pages: 241 - 251
An investigation of the distribution in time and space of the algae of a British water reservoir E. A. Flint ReviewPaper 01 February 1950 Pages: 217 - 240
A peculiar method of sexual reproduction in certain new members of the Chlamydomonadaceae A. K. Mitra OriginalPaper 01 February 1950 Pages: 209 - 216
Review of the genera of algae described by Stackhouse George F. Papenfuss ReviewPaper Pages: 181 - 208
Horaëlla brehmi nov. gen. nov. spec., ein neues Rädertier aus Indien Josef Von Donner OriginalPaper Pages: 134 - 140
New or otherwise interesting Fresh-water Algae from North America G. W. PrescottHerman SilvaW. E. Wade OriginalPaper Pages: 84 - 93
Activités algologiques et limnologiques en France pendant les années 1947–1948 P. Bourrelly OriginalPaper Pages: 72 - 83
On the Biology of the Latvian Perch (Perca fluviatilis L.) Bruno Berzins OriginalPaper Pages: 64 - 71
Sur Monodella stygicola Ruffo des eaux souterraines de l'Italie méridionale, deuxième éspèce connue de l'ordre des Thermosbenacés (Malacostraca Peracarida) Sandro Ruffo OriginalPaper Pages: 56 - 63
Diatomeen von der Sinai-Halbinsel und aus dem Libanon-Gebiet Friedrich Von Hustedt OriginalPaper Pages: 24 - 55
Corixidae (Hemiptera) of an evolved Lake in the English lake District T. T. Macan OriginalPaper Pages: 1 - 23
Zum Formwechsel-und Artproblem von Anuraea aculeata (Keratella quadrata) Agnes Ruttner-Kolisko OriginalPaper 01 March 1948 Pages: 425 - 468
Metamorphosis of the Chironomidae I M. GoetghebuerC. F. HumphriesA. M. FitzGerald OriginalPaper 01 March 1948 Pages: 410 - 424
Etude de quelques espèces de Peridinium, souvent confondues E. Balech OriginalPaper 01 March 1948 Pages: 390 - 409
Le dimorphisme de Espejoia mucicola E. Fauré-FremietH. Mugard OriginalPaper 01 March 1948 Pages: 379 - 389
Temperature characteristics of Sodon lake. A dichothermic lake in Southeastern Michigan Curtis L. NewcombeJohn V. Slater OriginalPaper 01 March 1948 Pages: 346 - 378
Un nuovo periodo di osservazioni sul fitoplancton del lago di Nemi V. Marchesoni OriginalPaper 01 March 1948 Pages: 333 - 345
Einige neue Notommatidae-Arten (Rotatoria) aus Schweden Bruno Bérzinš OriginalPaper 01 March 1948 Pages: 312 - 321
Copulation observed in Viviparus fasciatus (O. F. Müller) Ole Sylvest BriefCommunication 01 March 1948 Pages: 309 - 311
Nouvelles Données sur les Desmidiées des Environs de Matadi (Congo belge) Paul van Oye OriginalPaper 01 March 1948 Pages: 282 - 308
Ecological studies of some marine algae from Alexandria A. H. NasrA. A. Aleem OriginalPaper 01 March 1948 Pages: 251 - 281
On the ecology of some small lakes near Buitenzorg, Java K. F. VaasM. Sachlan OriginalPaper 01 March 1948 Pages: 238 - 250
Einige Gedanken zur Frage des Nährstoffhaushalts der Gewässer R. Maucha OriginalPaper 01 March 1948 Pages: 225 - 237
A new limnological method for the investigation of thin-layered epilithic communities R. Margalef BriefCommunication 01 March 1948 Pages: 215 - 216
Remarks on Microgromia socialis Hertwig et Lesser A. Middelhoek OriginalPaper 01 March 1948 Pages: 210 - 214
Contributions to the knowledge of Tendipedidae of Padova and Venice G. Marcuzzi OriginalPaper 01 March 1948 Pages: 183 - 209
Luminosity measurements in Aswan reservoir, Egypt G. Abdin OriginalPaper 01 March 1948 Pages: 169 - 182
Beiträge zur Kenntnis der Algenflora des Kantons Zürich Edwin Messikommer OriginalPaper 01 March 1948 Pages: 133 - 168
Deux expèces de Vorticella commensales des Conochilus E. Fauré-Fremiet Plates 01 March 1948 Pages: 126 - 132
Contributions to our knowledge of British algae F. E. Fritsch OriginalPaper 01 March 1948 Pages: 115 - 125
Intérêt épidémiologique de la recherche des bactériophages dans les eaux Ch Gernez RieuxR. ButtiauxG. Muchemble OriginalPaper 01 March 1948 Pages: 105 - 114
