CONTENTS. XVii 



PAGR 



Bartolotti, C. — Function of Chloragogen Cells 648 



Foot, Katharine, & Ella Church Strobell — Spermatozoa of Allolobophora 



foetida 64S 



Burger, O. — Development of Clepsine 648 



Herubel, Marcel A. — Brain of Phascolosoma 649 



Doncaster, L. — Development of Sagitta 649 



Nematohelminth.es. 2 



Golowin, E. P. — Phagocytic Organs in Nematodes 40 



Bonnevie, Kristine — Chromatin-lieduction in Somatic Cells 50 



Strong, R. P. — Strongyloides intestinalis 50 



Willot, — . — Helerodera schachtii 50 



Zykoff, W. — Cystoopsis acipenseri 308 



Linstow, 0. ton — New Nematodes 434 



'Weinland, E. — Fermentation of Glycogen in Ascaris 557 



Linstow, O. yon — New Nematodes 557 



Gemmill, J. F., & O. von Linstow — Largest of known Nematodes 650 



Linstow, O. von — New Filaria 651 



Platyhelminthes. 



Fuhrmann, O.— Avian Cestodes .. 50 



Saint-Remy, G. — Germinal Layers in Cestoda ... .. .. 50 



Linstow, O. yon. — Position of Ligula 51 



ISsinitzin, D. Th. — Life-history of Distomum folium 51 



Halkin, H. — Early Stages in Development of Polystomum integerrimum .. .. 51 



Linton, Edwin — Fish Parasites 52 



Benhasi, W. Blaxland— Platyhelmia, Mesozoa, and Nemertini 186 



TMingazzini, P. — Superficial Secretion of Tapeioorms 187 



Richiardi, S. — Neio Species of Didymozoon 187 



Johnston, S. J. — New Species of Distomum from the Duchmole 1S7 



Pdnnett, R. C. — Structure of Lineus gesserensis . . 187 



Voigt, W. — Distribution of Planarians as affected by Temperature 308 



Odhner, Th. —Neio Trematodes from Crocodile 308 



Thompson, Caroline B. — Zygeupolia lil oralis, a new Heteronemertean 309 



Bergendal, D. — Notes on Carinoma armandi 309 



Laidlaw, F. F. — New Ehabdocael 434 



Raspail, X. — Notes on a Plana rian - 434 



Risuss, H. — Distomum duplicatum in Fresh-water Mussels 434 



Henneguy, L. F.— Maturation and Fertilisation in Distomum liepaticum .. .. 434 



Fuhrmann, O. — Fertilisation in Cestodes 557 



Schneider, G. — New Species of Caryophyllxus 557 



Zschokke, F. — Unusual Human Parasite 558 



Odhner, Th. — New Distomids 558 



Braun, M. — Fasciolid Parasites of Birds 558 



Caullery, M., & F. Mesnil — Fecampia 558 



( 'oe, W. R. — Nemertean Parasites of Crabs 558 



Kostanecki, C. — Maturation and Fertilisation in Cerebratulus marginatus .. .. 651 



Thacher, Henrietta F. — Regeneration of Pharynx in Planaria maculabc .. .. 651 



Cohn, L. — New Species of Monostomum 651 



Incertae £edis. 



Ikeda, Iwaji — Development of Phoronis ijimai 52 



Torrey, Harry Beal — New Species of Phoronis 53 



Caullery, M., & F. Mesnil — Free Phase in the IAfe-Cycle of Orthonectids .. .. 53 



Fkiele, H, & J. A. Grieg — North Atlantic Brachiopods 187 



Voigt, Max — New Species of Gastrotricha 187 



Mack, H. von — Central Nervous System of Sipunculus nudus L 309 



Spengel, J. W. — Genera of Enteropneusta 310 



Zykoff, W. — Plumatella and Vivipara 310 



December 17th, 1002 b 



