CONTENTS. xvn 



PAGX 



Brf.tscher, K. — Oligochzeta of Switzerland 534 



Benham, W. Blaxland — Ceelomic Fluid in Acanthodrilids 646 



Fo.)T, Katharine, & Ella Church— /v/;?.s- of Allolobophora fcetida (ill! 



Rand, H. W. — Regeneration of the Nervous System of Lumbricidse 647 



Bretschek, K. — Habits of Earthworms .. .. .. .. K47 



Prentiss, C. W. — Incomplete Duplication of Parts in Nereis virens 647 



Sikatsciioff, B. — Cocoon of Hirudo '147 



Nematohelminthes. 



Grassi, B., & G. Noe — Mode of Filarial Infection II 



C'onte, A. — Development of Sclerostomum equinum .. 41 



Rhombler, Ludwig — Segmentation in Nematode Embryos .. .. .. . . 410 



Con te, A. — Germinal Layers in Nematodes 420 



Jerke, Max — Oxyuris curvula and 0. mastigodes 420' 



Ma upas, E. — Modes of Reproduction in Nematodes .. . f>34 



Noe, G. — Propagation of Blood Filar ise 536 



Rizzo, A. — Fixation of Intestinal Parasites .. .. 530 



Looss, A. — Method of Infection with Vhcinaria duodenalis 047 



Platyhelminthes. 



Sabussow, H. — Euterostoma mytili v. Graff 41 



Buttel-Reepen, H. v. — Two Large Species of Distomum 41 



Odhner, Th. — New Genus of Distomidas 41 



Nickerson, W. S. — Distomum arcanum ... .... 42 



Luhe — Genus Podocotyle (Duj.) Stoss 42 



Braun, M. — Genus Clinostomum Leidy 42 



Couvreur, E. — Hydatid Fluids 42 



Ratz, St. von — New Cestodes 43 



Voigt, W. — Influence of Temperature on Reproduction of Polycelis cornuta .. .. 157 



Ha vet, J. — Nervous System of Distomum hepaticum 157 



Looss, A. — Names of Genera of Distomidee 157 



Dadat, E. von — Forms of Cercocystis .. .. 158 



Wolffhugel, K. — Drepanidotxnia < lunceolata Bloch. 158 



Saint- Kemy, G. — Development of Taenia serrata 158 



Thompson 1 , Caroline B. — New Nemertean 158 



Zykoff, \V. — Fresh-water Nemertine .... .... 280 



Fuhrmann, O. — Avian Cestodes .. 280 



Sekera, Emil — Marine Species of Gyrator . . 280 



Shipley, A. E. — Syndesmus echinorum Franc 280 



Mingazzini, P. — Poison of Parasites . . 420' 



Vaney, C, & A. Coste-^- Histolysis and Histogenesis in Cercurue 421 



Rosseter, T. B. — Structure of ' Dicranntsenia coronula 421 



Braun, M. — Trematodes from Bursa Fabricii, Oviduct, and Eggs of Birds .. .. 421 



Luhe, M. — Monostomum orbieulare 421 



Haswelv,, "\V. A. — New Species of Temnocephalese 421 



Fuhrmann, O. — Gyrator reticulatus Sekera .. 421 



Haswell, W. A. — New Rhabdoeozle Turbellarian 122 



Schockaert, R. — Oogenesis in Thysanozoon brocchi 530 



Gei.ard, O. — Oocyte of Pro&thecerxus vittatus 530 



Curtis, W. C. — Reproductive Organs of Planaria maculata 537 



Steel, T. — Tasmanian Land Planarians 537 



„ „ Australian Land Planarians .. 537 



Volz, W. — Turbellarians of Switzerland 537 



Ariola, V. — Revision of the Family Bothriocephalida: 537 



Brezzano, A. — Rostellum of Davainea 538 



Isler, E. — Nemertea from Chili . . . . 538 



Schultz, E. — Regeneration in Leptoplana atomata 648 



Odhner, Th. — Revision of Species of Allocreadium Lss 648 



Looss, A. — New Trematoda from the Labridse 040 



Braun, M. — Avian Trematoda 04!) 



Dec. 18th, 1901 b 



