CONTENTS. 
XVll 
PAGE 
Hartog, M. M. — Madreporic System of Echinoderms Part 3 337 
Bell, F. Jeffrey — British Deep-sea Echinoderms Part 4 464 
Ludwig, H. — EcMnodermata Part 5 610 
Carpenter, P. H. — Anatomical Nomenclature of Echinoderms „ 610 
Ludwig, H., Cuenot, L., & M. M. Hartog — Eunction of Madreporic Plate 
and Stone-canal of EcMnodermata „ 611 
Prouho, H. — Function of Gemmiform Pedicellarise of Echinoids „ 611 
Gregory, J. W. — Rhynchopygus woodi „ 612 
Prouho, H. — Sense of Smell in Staifshes .. „ 612 
Coelenterata. 
Chun, C. — Coelenterata of Canary Islands Part 1 
Wright, E. P., & T. Studer — Alcyonaria of the ‘ Challenger ’ „ 
M‘Murrich, J. P . — Actiniaria of the Bahamas „ 
Danielssen, D. C. — Cerianthus borealis „ 
Kooh, G. V. — Antipathidse of Bay of Naples „ 
Fewkes, j. W. — Method of Defence among Medusse „ 
Koch, G. von — Development of the Septa in Pteroides Part 2 
Faurot, L . — Arrangement of Mesenterial Septa in Peachia hastata .. .. „ 
M‘Intosh, W. C. — Occurrence of Ctenophores throughout the year .. .. „ 
Hartlaub, C. — Eleutheria „ 
M‘Intosh, W. C . — Abnormal Hydromedusse ,, 
Studer, T . — Alcyonaria of the ‘ Challenger ’ Part 3 
Brook, G. — Antipatharia of the ‘ Challenger ’ 
Ortmann, A.~ Bilaterality in Corals 
Boveri, Th. — Development and Relationships of Actinise 
Wilson, H. V. — Hoplophoria coralligens 
Mitchell, P. Chalmers — Thelaceros rhizophorge 
Fowler, G. H. — Anatomy of Madreporaria 
Faurot — Development of Septa of Halcampa chrysanthellum 
Hickson, S. J. — Habits and Species of Tubipora 
,, „ Maturation of Ovum and Early Stages in Development of 
Allopora 
M‘Intosh, W. C. — Occurrence of Hydromedusse and Scyphomedusse throughout 
the Year 
46 
47 
47 
48 
49 
49 
189 
189 
189 
189 
190 
337 
337 
337 
337 
338 
339 
339 
340 
340 
300 
340 
Minchin, E. a . — Mode of Attachment of Embryos to Oral Arms of Aurelia 
aurita 
Loman, j. C. C . — Composite Ccenosarcal Tubes of Hydroids 
Fowler, G. H . — Hy droid Phase of Limnocodium Sowerbyi 
IscHiKAWA, C. — Trembley’s Experiments on Hydra 
Nussbaum, M . — Evagination of Hydra 
Chatin, j . — Initial Cells of Ovary of Freshwater Hydra 
Danielssen, D. C.—Actinida of North Sea 
Koch, G. v . — The Position of Sympodium coralloides 
Bigelow, R. P . — Marginal Sense-organs in Pelagiidse 
„ „ Portuguese Man-of- War 
ViGUiER, C. — Tetraplatia volitans 
Schneider, K. 0 . — Histology of Hydra 
Driesch, H . — Heliotropism in Hydroids 
H ADDON, A. C. — Actiniae of South-west Coast of Ireland 
Ortmann, A . — Morphology of Skeleton of Stony Corals 
Beneden, E. van — Anthozoa 
1890. 
Part 4 
Part 5 
Part 6 
340 
341 
341 
342 
343 
343 
464 
466 
466 
467 
467 
468 
470 
612 
612 
727 
