CONTENTS. XIX 



1'AliS 



Mayer, A. G. — Variations of a Newly- Arisen Species of Leptomedusoid 540 



Hartlaub, Cl. — Hydroids from the Pacific 541 



Bigelow, R. P. — Anatomy and Development of Cassiopea xamachana 541 



Uexkull, J. von— Movements of Medusas 542 



Lacaze-Duthiers.II.de — Alcyonarians of the Gulf of Lyons 512 



Carlgren, O. — Protection of the Young in Actiniaria 542 



Duerden, S. E. — Septa and Mesenteries of Madreporaria 543 



Studer, Th. — Madreporaria from the Sandwich Islands and Samoa 543 



Vignon, P. — Cilia of Ctenophora and Ciliary Insertion in General 544 



Billard, Armand — Scissi 'parity in II 'ydrozoa 652 



„ „ Asexual Reproduction in Hydrozoa 653 



Hakgitt, C W. — Variation* in Hydromedusse .. 653 



Vaney, C., & A. Conte — Limnocodium sowerbii at Lyon 653 



Friedemann, O. — Post-Embryonic Development of Aurelia aurita 05:; 



Immekmann, F. — Attachment of Young Sea- Anemones to an Adult (353 



Porifera. 



Butschli, O. — Minute Structure of Sponge Spicules 162 



Evans, Richard— Ephydatia blembingia 282 



Topsent, E. — Antarctic Sponges 2S3 



MacKay, A. H. — Fresh-water Sponge from Sable Island 284 



Maas, Otto — Development of Sponge Spicules 284 



Isao, Ijima — Studies on the LTexactinellida 424 



Protozoa. 



Lankester, E. Ray— Sexual Zygosis in Protozoa 44 



Dangeakd, P. A. — Karyokinesis in Vampyrella 44 



Harrington. N. R., & E. Leaking —Reaction of Amoiba to Different Colours . . 45 



Schubert, R. J. — Foraminifera from Singapore . 45 



Leger, Louis — Ccelomic Coccidia in Insects 45 



Ross, Ronald, & R. Fielding-Ould — Life-history of H se.mamazbidse 45 



Christophers, S. R., & J. W. W. Stephens — Malaria and Natives 4(5 



Dangeakd, P. A. — Zoochlorellse of Paramecium bursaria 46 



Gunther, Adolf — Parasitic Infusoria 46 



Leger, Louis — New Sporozoon in Dipterous Larvse 46 



„ „ & Paul Hagenjiuller — New Species of Ophryocystis 47 



„ „ Reproduction of Ophryocystis 47 



Doflein, F. — Cell-Division in Protozoa .. 162 



Dangeard, P. A. — Nuclear Division in Protozoa 163 



Stolc, Amo'si'S—Physiohgy of Pelomyxa 163 



Penard, Eugene — Experiments on Difflugia 164 



Pearcey, F. G. — Deep-Sea Rhizopods in Clyde Area 164 



Roux, Jean — Infusoria of Lake Geneva 1 64 



Dani;eard, P. A. — Structure and Development of Colpodella pugnax 164 



Doty, H. A. — Apparent Commensalism of Conochilus and Vorticellids 165 



Iwanoff, L. — New Species of Gonyostomum .. .. 165 



Voirin, Valentin — Coccidium fuscum 165 



Facciola, L. — Psorospermic Tumours of Xiphias 166 



Tyzzer, E. E — New Myxosporidian in Fishes 1 66 



Borgert, A. — Reproduction of Radiolaria Tripylx 284 



Chapman, F. — Foraminifera from the Lagoon at Funafuti .... .. 285 



Massart, Jean — Trichocysts of Paramecium aurelia 285 



Minkiewicz, R. — Seasonal Dimorphism of Ceratium f urea Duj 285 



Sand, Rene — Monograph on Tentaculif era 285 



Siedlecki, M. — Life-History of Monocystis Ascidiae, 2S6 



Siedlecki, Michel — Influence of Gregarines on the Cells of their Host 286 



Caullery, Maurice, & Felix Mesnil — Asexual Multiplication of Gregarines .. 286 



Stem pell, W. — Plistophora mutter i (L. Pfr.) 286 



Borner, Carl — Genus Hsemogregarina 287 



b 2 



