CONTENTS. XIU 



PAGE 



SotiTHWELL, T., & B. Pbashau — Fisli Trematodes 43 



Pratt, H. S. — Cuticula and Snb-cuticula of Trematodes and Cestodes 44 



Cawston, F. G. — Cercarias of Transvaal 44 



„ „ — Bilharziasis in Natal 44 



Blanc, H. — Femarhable Case of Echinococeus in Lemur 147 



Southwell, T., & Baini Prashad — Methods of Reproduction in Cestodes .. .. 147 



Prenant, Marcel — Rhabdites of Turbellaria 148 



Kepneb, W. A. — Reactions of Proboscis of Planaria albissima 148 



Hyman, L. H. — Action of Potassium Cyanide in Planaria 255 



Child, C. M. — Effects of Cyanides on Planaria dorotocephala 255 



Yeri. M., & T. Kaburaki — Japanese Polyclads 255 



Fuehmann, O. — Tapeworms of Vertebrates 354 



Allen, G. D. — Itesjnratory Metabolism in Planaria 354 



Child, C. M. — Carbon Dioxide Production in Starving Planaria 354 



„ — Susceptibility to Lack of Oxygen during Starvation in Planaria .. 353 



Hyman, L. H. — Oxygen Consumption in Feed ing and Starving Planaria .. ., 355 



Allen, G. D. — Respiratory Metabolism in Planaria 355 



Incertae Sedis. 



Cordebo, E. H. — Notes on Gas'trotricha (Yiga. 1, 2) 44 



Gilchbist, J. D. F. — Transverse Fission in Phoronopsis 148 



Rotatoria. 



Shull, A. Feanklin — Sex Determination in Hydatina 149 



Whitney, David D. — Oxygen and Sex-determination in Ttotifers 356 



Echinoderma. 



Ceozieb, W. J. — Asexual Multiplication in Coscinasterias tenuispina 45 



Woodward, Avalyn E. — E<jg Secretion in Echinoderms 141) 



Gemmill, James F. — Rhythmic Pulsation in Madreporic Vesicle of Young Ophiuroids 150 



Crozieb, W. J. — Bottom Matericd Ingested by Holothurians 150 



Koehlee, O. — Hi/bridizcdion Experiments ivith Sea-Urehins 256 



Macbeide, E. W. — Development of Heart- Urchin 356 



Ccelentera. 



MoLANDEB, Aevid E. — Significance of Gal yx in Alcyonacea .. ., .. .. ^. 150 



„ „ — Membranous Forms of Colonies in Gorgonacea 151 



Stephenson, T. A. — Irish Actiniaria .. 151 



MoLA'SDEH, Aryw U.— Discussion of Leptogorgia irramosa (Grieg) 151 



PAHKER,G.il.— Study of Renilla -> 151 



Wabren, Ernest — Pigment of Hydroids {2 &gs.) 152 



„ „ — Structure of New South African Hijdroid 153 



BiLLABD, Aemand— iVe?« »S|pecres o/ »S'e;<M/«re/?a 153 



'Qnoca, Hi Ki.i\ ATX— Ccelentera of Gunner us 153 



Gilchrist, J. D. F, — Species of Crawling Medusa from the Cape '. .. 153 



Gabcia-Banus, Mabio — Is there a Metabolic Gradient in Tubularia ^ 256 



Davis, Donald Walton — Asexucd Multiplicidion and Regeneration in Sagartia 



lucise 256 



