XIV CONTENTS. 



PAGE 



ZiMMERMANN. KATHLEEN E. — MinvMse of Hespiratory Mechanism in Corystes cassi- 



velaunus '^^^ 



H ADDON, Kathleen — Neio Hersilia -J^* 



Rainer, Fr. J. — Sensory Cells in End Gut of Crayfish <J12 



Bjorck, W. — Larvse of Pasnphasa 612 



Racovitza, E. G. — Cirolanidse ^'3 



Annulata. 



Malaquin, A., & F. Carin — Tomopteris apsteini Rosa 48 



Walcott, C. D. — Middle Cambrian Annelids 48 



Bather, F. A. — Fossil Annelidx 48 



\is,C'.\\.T)E.— Annelid Trails 49 



Riddell, W. — Folychieta of Port Erin .. 49 



Gravier, Ch. — Antarctic Annelids 49 



Rosen, Feltx — Ciliated Funnel of Nephridia in Earthivorm -19 



PoiNTNER, H. — Frexh-water Oligoch^ta from Graz 49 



Cognetti de Martiis, L. — Species of I'erionyx from a suh-Antarciic Island . . .. 185 



Oakpenter. George H. — Masses of Water-worms 185 



BouLENGER, C. L. — Suclcers of Mi/zostomidw 185 



Goodrich, E. S. — Structure of an ArchianneUd o09 



Dehorne. A. — Cell-division in Polychasts and Trematodes 309 



Potts, F. A. — New Parasitic Polychxt .. 309 



Shearer, Gresswell — Sex Determination in Dinophilns 309 



AscoLi, (t. — Nervous Sy'^tem of Hirudinea 310 



Beddakd, F. E. — Spermatopluires of Earthworms 404 



Ashworth, J. H. — Structure of Branchiomaldane vincenti 404 



Peyrega, E. — Blood of Arenicola 524 



Storch, Otto — A'ervous System of Polychxts *il3 



SoHAXEL, JiLins — Development of Aricia foetida 013 



Gunther, Kurt — Minute Structure of Flubelligera 613 



Oka, Asajiro — New Branchiate Leech 014 



Nematohelminthes. 



ScHLEEP, W. — Chromosomes in Angiostomum nigrovenosum .. 49 



Daday. E. von — Sioiss Fresh-ivater }>ematodes 185 



Fatjre-Fremiet, E. — Maturation and Fertilization in Ascaris megalocephala . . .. 310 



CiUREA, Joan — Spiroptera sexalata Molin 310 



„ „ Structure of Spiroptera strong ylina Hud 31 J 



Seurat, L. G. — Life-history of Spiroptera of Dog 311 



Edwards, C. L. — Sex-chromosomes in Ascaris felis .. 404 



Faure-Fbemiet, E. — Degenerative Parthenogenesis in Ascaris megalocephala .. 524 



„ „ Metaholis7n in Development of Ascaris megalocephala .. .. 524 



Barile, C. — Trichosomum of Turkey 525 



Seurat, L. G. — Uterus of Nematodes 525 



Hagmeier, a. — Mermithidse - 525 



Pittaluga, G. — Microjilarise of the Guinea Coad ,'>25 



Faure-Fremiet, E. — Spermatogenesis of Ascaris megalocephala 614 



Held, H. — Fertilization in Ascaris megalocephala 614 



Weinberg, W., «& Mlle. Keiltn — Disease of Ascaris' megalocephala 614 



B.OMEis, B.- Degeneration of Nematode Spermatozoa 615 



Neveu-Lemaire, M. — Development of Sheep Strongyle 615 



Seurat, L. G. — Fourth Moult in Parasitic Nematode< 615 



„ ,, Genital Apparatus of Gongylonema (;i5 



Platyhelminthes. 



Watson, Edna Earl — Study of Gyrocottjle 50 



Johnston, T. Harvey — Neio Cestodes 51 



„ „ Cestode of Black Snake 51 



