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CONTENTS. 
PAGE 
Sonsino, P . — Larval Trematodes in Gastropod Hosts 310 
* „ „ Helminthological Notes 310 
Linton, E . — Trematode Parasites of Fishes 310 
Sabussow, H . — Minute Structure of Genital Organs in Trixnophorus 310 
Linton, E . — Gestodes of Fishes 310 
Ward, H. B . — Parasites of Birds 310 
Rosseter, T. B . — Tapeworms of Ducks 310 
Luhe, M . — Musculature of Dihothria 310 
Wolffhugel, K . — Gonads of Tienia polymorpha 311 
Mueller, A . — Helminthological Notes 311 
Francaviglia, M. C . — Helminthological Notes 428 
Muhling, P . — Helminths in Vertebrates of East Prussia 428 
Stiles, C. W . — Adult Tapeworms of Hares and Babbits 428 
Mrazek, Al . — Archigetes 428 
Cerfontaine, Paul — Dactylocotyle 428 
„ „ Merizocotyle 428 
Rosseter, T. B . — Beproductive Organs of Drepanidotxnia venusta 428 
Randolph, H., & O. Fuhrmann — Regeneration in Planarians 429 
Woodworth, W. McM . — New Planarians 429 
Lonnberg, E . — Phytogeny of Cestodes 543 
Francaviglia, M. C., & others —Helminthological Notes 544 
Holzberg, F . — Gonads of some Species of Taenia 544 
Miura, K, & F. Yamazaki — Taenia nana 514 
Guyer, M. F . — Structure of Taenia confusa Ward 631 
Odhner, T . — Stichocotyle Nephropis 631 
Bohmig, Ludwig — Anatomy and Histology of Nemertines 631 
Incertae Sedis. 
Harmer, S. F., & Masterman — Notochord of Cephalodiscus 81 
Schultz, E . — Development of Mesoderm in Phoronis 81 
Simroth, H. — Plankton Brachiopods 82 
Wheeler, W. M. — Development of Myzostoma glabrum 82 
Willey, A. — New Genus of Enteropneusta 199 
Kostanecki, K. — Fertilisation in Myzostoma 199 
Beard, J. — Sexual Conditions of Myzostoma glabrum 429 
Hill, J. P . — Enteropneusta of Funafuti 544 
Calvet, Louis — Larval Development of Cheilostomata 632 
„ „ Origin of Polypide in Marine Ectoprocla 632 
Rotatoria. 
Kellicott, D. S . — Rotifera of Sandusky Bay 83 
Bryce, David — Rotifera from Spitzbergen 83 
Rousselet, C. F . — Male of Proales Wernecki 83 
Weber, E. F . — New Male Rotifers 84 
Shephard, J. — Lacinularia elliptica , a new Rotifer 84 
Erlanger, R. v., & R. Lauterborn — Early Development of Rotifers .. .. .. 84 
Lenssen — Sporozoic Parasites in a Rotifer 84 
Sadone — Impregnation of the Ova of Hydatina Senta 199 
Zacharias, O. — Researches on the Plankton of Ponds 306 
Nussbaum, M . — Determination of Sex in Hydatina senta 306 
Lauterborn, R . — Cyclic Reproduction in Rotifers 308 
D ad ay — Rotatoria of New Guinea 308 
Wesenberg-Lund — Danish Rotifera 309 
Stenroos, K. E. — Fauna of the Nurmijdrvi Lake 426 
Rousselet, C. F . — Some little-known Pterodinx 4z7 
Mrazek, Al. — Development of Asplanchna 427 
Calman, W. T. — Asplanchna in Britain 542 
Daday, E. v . — Rotifera of Ceylon 542 
Calman, W. T . — Reproduction in the Rotifera 543 
Weber, E. F . — Rotatoria of the Basin of the Lake of Geneva 630 
Skorikow, A. — New Rotifer, Monostyla appendicidata .. .. 630 
