CONTENTS. 
XIX 
Echinoderma. pagb 
Mitchell, J . — Upper Silurian Palxchinus 85 
Loriol, P. de —Fossil Echinoids 85 
Stone, Ellen A. — Function of Pyloric Cxca in Starfish 200 
Ludwig, H . — Development of Phyllophorus urna 200 
Ostergren, Hjalmar — Notes on Dendrochirota 200 
Mitsukuri, K . — Sphxrothuria bitentaculata in Japanese Seas 200 
List, Th . — Protein Crystalloids in Nuclei of Amcebocytes 200 
Erlanger, R. von — Fertilisation and Cleavage of Echinoid Ovum 311 
Ludwig, H . — Mediterranean Species of Synapta 311 
Ostergren, Hjalmar — Groivth-Changes in Integumentary Skeleton of Holothurians 311 
Jaekel, O . — Alimentary Tract of Pelmatozoa t 430 
Dendy, A . — Anal Papillae of Caudina coriacea 430 
Ostergren, Hjalmar — Classification of Synaptidx 430 
Clark, H. L . — Synapta vivipara 430 
Cuenot, L . — Protandric Hermaphroditism of Asterina gibbosa 431 
Agassiz, A . — Echini of the ‘ Albatross * 544 
Perrier, Remy — Holothuroidea of the ‘ Travailleur ’ and ‘ Talisman ’ 545 
Ludwig, H . — Chilian Holothuroids 545 
Osborn, H. L. — Variation in Ambulacra l System 545 
M‘Intosh, W. C . — Larval Stage of Luidia 545 
Vernon, H. M . — Hybrid Echinoid Larvae 545 
Sluiter, C. Ph . — Amputation of Disc-covering in Ophiurids 632 
Coelentera. 
Goette, A . — Development of Scyphopolypes 85 
Carlgren, Oscar — Development of Mesenteries in Actinix 86 
Koch, G. von — Development of Caryophyllia cyathus 87 
Potts, E . — American Fresh-water Jelly-fish 201 
Con ant, F. S . — Notes on Cubomedusx 201 
Duerden, J. E . — Irish Hydroids 201 
Hickson, S. J . — Distribution of Millepora 201 
Gronberg, Gosta — Tubularia indivisa 201 
Ruedemann, R . — Recent Progress in the Study of Graptolites 202 
Peebles, H . — Experiments on Hydra 311 
Schneider, K. C . — Classification of Siphonophora 312 
Driesch, Hans — Regenerative Phenomena in Tubularia 312 
Bonnevie, Kristine — New Hydroids 312 
Zykoff, W . — Movements of Hydra 431 
Wetzel, G . — Grafting Experiments on Hydra 431 
Agassiz, A., & A. G. Mayer — Dactylometra 432 
Browne, E. T . — Keeping Medusx alive 432 
Con ant, F. S. — Cubomedusx 432 
Agassiz, A., & A. G. Mayer — Some Medusx from Australia 433 
Kwietniewski, C. R. — Actiniaria from East Spitzbergen 433 
Bernard, H. M . — Studies on Madrepnraria 433 
Fischel, A . — Experiments on Ctenophore Eggs 434 
Giard, A . — Peculiar Phenomena of Growth and Reproduction in Campanidaria .. 546 
Nutting, C. C . — Sarcosiyles of Plumularidx 546 
Chun, C . — Law of Budding in Pliysophora 546 
Farquhar, H . — New Zealand Actiniaria 546 
Montioelli, F. S . — Larva of Edwardsia claparedii 546 
M‘Murrich, J. Pl . — Irregularities in Number of Directive Mesenteries in Hexac - 
Unix 546 
Gronberg, Gosta — Arctic Hydromedusx 633 
Mark, E. L . — New Actinarian 633 
May, Walther — Alcyonaria from Spitzbergen 633 
Ashworth, J. H . — Structure of Xenia 633 
Porifera. 
Blackburn, W . — Lacework Sponge . . . . 87 
Breitfuss, L. L . — New Calcareous Sponge 87 
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