VII 



Topsent, E., Notes sur les Eponges du 

 Travailleur et du Talisman. - - (R. 



v. Lendenfeld) 183 



- Cliothosa seurati, Clionide nouvelle 

 des lies Gambier. (R. v. Lenden- 

 feld) ... 785 



Etude sur les Dendroceratida. - 

 (R. v. Lendenfeld) 786 



Vosmaer, G. C. J. und H. P. Wijsman, 



On the structure of some siliceous 

 Spicules of Sponges. I. The styli of 

 Tethya li/ncurium. (R. v. Lenden- 

 feld) '...., 484 



Weinschenk, E., Uber die Skeletteile 

 der Kalkschwamme. (R. v. Len- 

 denfeld) 787 



Coelenterata. 



Hydrozoa. 



Bancroft, F. W., Note on the Galvano- 

 tropic Reactions of the Medusa Poly- 

 orchis penicillata A. Agassiz. - (0. 

 Ma as) 485 



Downing, E. R., The spermatogenesis 

 of Hydra . (R. G o 1 d s c h m i d t) 486 



Godlewski, E. jun., Zur Kenntnis der 

 Regulationsvorgange bei Tubular in 

 mesembryanthemum. - - (0. Ma as) . 489 



Hargitt, Ch. W., The early development 

 of Pennaria tiarella McCr. (0. 

 Ma as) 490 



Loeb, J., On the Influence of the Re- 

 action of the Seawater on the Rege- 

 neration and Growth of Tubularians. 



(C. Maas) 487 



Concerning Dynamic conditions, 

 which contribute toward the Morpho- 

 logical Polarity of Organismus. 

 (0. Maas) 488 



Schuberg, A., Susswasserpolypen als 

 Forellenfeiude. -- (A. Schuberg) . 788 



Torrey , H. B. , Biological Studies on 

 Corymorpha. I. C. palma and its en- 

 vironment. (0. M a a s) . . . . 491 



Anthozoa. 



Carlgren, Oskar. Uber die Koi relationen 

 zwischen der Regeneration und der 

 Symmetric bei den Actiniarien. - 

 (W. May) 380 



- Noch einmal PoJi/parium ambulans. 



- (W. May) 670 



Kurze Mitteilungen uber Antho- 

 zoen 4. -- (W. May) 671 



Doderlein, L.. Die Korallengattung 

 Fungia. - (W. May) 331 



Duerden, J. E., The Morphology of the 

 Madreporaria. V. Septal Sequence. 

 (W. May) 332 



The Antiquity of the Zoanthid Ac- 

 tinians. (W. May) . . . . . 333 



The Coral Siderastrea radians and 

 its postlarval Development. - (W. 

 May) 595 



The Morphology of the Madrepora- 

 ria, VI. (W. May) 672 



Hickson, Sydney J., The Alcyonaria of 

 the Cape of Good Hope. Part. II. 



- (W. May) 334 



The Alcyonaria of the Maldives. 



Part. III. -- (W. May) .... 335 

 - and England, Helen M., The Styl- 

 asterina of the Siboga Expedition. 



- (W. May) 596 



Kiikenthal. W., Versuch einer Revision 



der Alcyonarien. - - (W. May) . . 336 

 Pratt, Edith M., Report on some Al- 

 cyoniidae, collected by Prof. Hprd- 

 man, at Ceylon, in 1902. (W. May) 597 

 Voeltzkow, Alfred, Bericht uber eine 

 Reise nach Ostafrika zur Untersu- 

 chung der Bildung und des Aufbaus 

 der Rift'e und Inseln des westlichen 

 indischen Oceans. VI. Madagaskar. 



- (W. May) 598 



Echinoderma. 



Echiuoidea. 



Boveri, Th., Noch ein Wort uber See- 

 igelbastarde. -- (0. Maas) . . . 106 



Driesch, H., Uber Seei^elbastarde. - 

 (0. Maas) 105 



Krahelska, M., Sur le developpement 

 mero^onique des oeufs du Psamm- 

 echinus. -'- (R, Golds chmi dt) . .599 



Vermes. 



Scbultz, Eug., Etudes sur la regeneration chez les vers. - - (E. Sennits:) 



. 245 



