XV111 CONTENTS. 



I'AGK 



Hlava, Stan. — Excretory Organs in the Family Melicertidse 18<i 



Voigt, Max — Botatoria and Gastrotricha of Ploen 419 



Jennings, H. S. — A Monograph of the Ratiulid*. 419 



Lord, T. V^.—New Rotifer 533 



Linker, Charles — New Rotifer .. .. 655 



Beauchamp, P. de — Aeio Rotifer of Genus Drilophaga 050 



Echinoderma. 



Delage, Yves — Non-regeneration of Sphxridia in Sea- Urchins 06 



Henki, V., & S. Lalou — Osmotic Action of the Internal Fluids of Echinoderms . . 66 



htuenthek, K.— Study of the Nucleolus in the M attiring Ovum 18' 



Theel, Hjalmar — Development of Echinus miliar is 187 



Lokb, Jacques — Sea-Urchin Ova Fertilised by Starfish Spermatozoa 187 



Krassuskaja, A., & E. Landau — Ova of Sea- Urchins 187 



Delage, Yves — Parthenogenesis induced by Carbon Dioxide 187 



Viguier, C. — Influence of Carbon Dioxide on Ova of Echinoderms 188 



Mortensen, Th. — New Genus of Diadematidm 188 



Mitsukuri, K. — Habits and Life-History of Stichopus japonicus 18S 



McIntosh, D. C. — Variation in Ophiocoma nigra 188 



Schucking, A. — Fertilisation and Parthenogenesis in Echinoderms 311 



Bell, F. Jeffrey — New Genus of Spatangoids 311 



Monks, Sarah P. — Regeneration in Starfish . . 312 



Delage, Yves — Parthenogenetic Larvue of Asterias glacialis 420 



Ludwig, H. — Parental Care in Echinoderms 420 



Schmidt, H. — Larval Development of Echinus microtuberculatus 534 



Herouard, E.— " Pentasomxa " theory 534 



Bather, F. A. — Eocene Echinoids from Sohoto 535 



Polara, G. — New Gonad in Holothunans 656 



Spencer, W. K. — Palxodiscus and Agelacrinus 656 



Ostergren, Hj. — Fu7ictio?i of Tube-Feet in Ophiuroids 656 



Ccelentera. 



Mat, Albert J. — Development of Corymorpha 67 



Russell, E. S. — Depastrum 67 



Gravier, Oh. — Medusa from Victoria Nyanza 189 



MoMurrich, J. Blayfair — Sagartia paguri Verril 189 



Motz-Kossowska, Madame S. — Modification of Hydroid Colonies by Movements in 



the Water 189 



Clarke, S. F. — Alaskan Corymorpha-lihe Hydroid 189 



Hickson, S. J. — New Ceratella 190 



Yakovleff, N. — Septa of Rugosa 190 



Kinkelin, F. — Devonian Medusa 312 



Roule, L. — New Cerianthid 312 



Bigelow, H. B. — Medusas from Maldive Islands 420 



Goette, A. — Development of Hydromedusai 535 



J anower, Martin — Solenocaulon 5155 



Kingsley, J. S. — Anatomy of Cerianthus borealis 535 



Carlgren, O. — Studies in Anthozoa 535 



Nutting, C. C. — American Hydroids 657 



Mayer, A. G. — Medusze of the Bahamas 657 



Torrey, Harry Beal, & Janet Ruth Mery — Regeneration and Non-Sexual Re- 

 production in Sagartia davisi 657 



Torrey, H. B. — Habits and Reactions of Sagartia davisi £58 



Davenport, G. C. — Variation in Sagartia lucias 658 



Marenzeller, Emil von — ' Albatross ' Corals 658 



Krempf, Armand — Modification of Tentacular Apparatus in Madrepora .. .. 659 



Roule, Louis — Systematic Relationships of Antipatharia 659 



