CONTENTS. XIX 



PAGE 



Haetlaub, 0. — Origin of Sexual Cells in Obelia , . Part 2 250 



BouENE, A. G. — Hydroid Phase of Limnocodium Sowerhii „ 251 



Brooks, W. K. — Life-history of Eutima mira ,. „ 251 



ViGUiEB, C. — Tetraplatia volitans „ 252 



Lendenfeld, R. v. — Australian Hydromedusas „ 252 



KowALEVSKY, N. — Development of Lucemaria ,, 253 



Heedman, W. A. — Structure of Sarcodictyon „ 253 



Veeeill, a. E. — New Cmlenterates and Echinoderms Part 3 432 



Thallwitz, J. — Development of Male Germinal Cells in Hydroids .. „ 462 



Bedot, M. — Histology of Porpita mediterranea „ 463 



M'Intosh "W. C. — Identity of the two British Species of Cyanea ., . . „ 464 



MacMtjnn, C. A. — Chromatology of Actiniie „ 464 



Bale, W. M. — Australian Eydroid Zoophytes .. .. Part 4 656 



Lendeneeld, R. V. — Ccelenterates of the Southern Seas „ 656 



MacMunn, 0. A. — Chromatology of the Actinise „ 656 



Faueot — Adamsia palliata Part 5 816 



Haswell, W. a. — Symbiosis of Worms and Sea-Anemo7ies Part 6 982 



Fewkes, J. W. — Development of Agalma „ 1009 



Glaus, G. — Cyclical Development of Siphonophora „ 1010 



Bedot, M. — Structure of Velella „ 1010 



Bell, F. J. — New Minyas „ 1010 



Lendeneeld, R. V. — Metamorphosis of Bolina Chuni „ 1010 



„ „ Beroid of Port Jackson „ 1011 



„ „ Australian Hydromedusx „ 1011 



Porifera. 



SOLLAS, W. J. — Development of Halisarca lohularia Part 1 73 



Lendeneeld, R. v. — Mode of Digestion in Sponges „ 74 



VosMAEE, G. G. J. — Note on Sponges „ 75 



Potts, E. — Modification in the form of Sponge Spicules „ 75 



Lendeneeld, R. v. — Australian Sponges „ 76 



Potts, E. — Wide Distribution of some American Sponges , „ 76 



Lendeneeld, R. v. — Nervous System of Sponges Part 2 253 



„ „ Occurrence of Flesh-spicules in Sponges , 254 



„ „ Fibres of certain Australian Eircinidse „ 254 



GoETTE, A. — Development of Spongilla „ 254 



Vejdovsky, F. — Observations on some Fresh-water Sponges „ 255 



Gaetee, H. J. — Spongilla fragilis, and a New Species of Spongilla . , „ 255 



SoLLAS, W. J. — Structure of the Skeleton in the Anomocladina ,. .. Part 3 464 



Mills, H. — New American Fresh-water Sponges „ 464 



Gaetee, H. J. — New Sponges from South Australia ., „ 465 



ScBXfLZE, F. E. — Belationship of Sponges to Choano-flagellata .. ., Part 4 657 



Gaetee, H. J. — New Variety of Meyenia fluviatilis .. „ 658 



Potts, E. — New Fresh-water Sponge „ 658 



Hansen, G. A. — Sponges of the Norwegian North Sea Expedition ., . . „ 658 



Maeshall, W. — Ccelenterate Nature of Sponges Part 5 816 



Gaetee, H. J. — Circulation in Spongida .. .... .. „ 816 



GoETTE, A. — Development in Spongilla „ 817 



Potts, E. — Neio Fresh-water Sponge „ 817 



Lendeneeld, R. v. — Histology and Nervous System of Calcareous Sponges Part 6 1011 



h 2 



