XX CONTENTS. 



PAGE 



Stassano, H. — Parasite found in Syphilides 2S7 



Prowazek, S. — Protozoa and Bacteria 424 



Senn, G. — Systematic Work on Flagellata 424 



Forti, Achille — New Genus of Peridiniex 425 



Ouenot, L. — Life-history of Gregarines 425 



Koninski, Karl — Trypanosoma sanguinis in Batrachians 425 



Lignieres, J. — La Tristeza 426 



Prowazek, S. — Intra-vitam Staining 544 



Penard, E. — Bhizopods of the Lake of Geneva 544 



Borgert, A. — Badiolaria Tripylea of the Mediterranean 544 



Stevens, N. M. — New Infusorians 545 



Prowazek, S. — Cell-division in Polytoma 545 



Brunnthaler, J., & E. Lemmerjiann — Genus Dinobryon 545 



Huitfeldt-Kaas, H. — Peridinieas of Norwegian Lakes 545 



Sand, Rene — Tentaculifera 546 



Nuttall, G. H. F. — Mosquitoes and Malaria 546 



Leger, L. — New Gregarine 546 



Cecconi, G. — Sporulation of Monocystis agilis 546 



Billet, A. — Gregariniform Stage in the Cycle of the Malarial Hxmatozoon .. .. 546 



Leger, Louis — Gametes of Stylorhynchus 547 



Plate, Lddwig, H. — Chifonicium simplex 547 



Florentin, Ii. — New Infusoria 654 



Wallengren, Hans — Division of Hypotrichous Infusoria 654 



Lutz, Adolph — Drepanidium in Snakes .. 654 



Bazxosano, Popovici A. — H&matozoa of Frog and Tortoises 654 



Leger, L., & O. Dubosq — Development of Polycystid Gregarines .. 655 



Fence, M. — Exciting Cause of Vaccinia and Variola 655 



