( 4 ) 
Echinodermata. page 
Ludwig’s (H.) Echinodermata 188 
Duncan, P. Maetin — Revision of Genera and Great Groups of Echinoidea .. .. 188 
Coelenterata. 
Koch, G. ton — Development of the Septa in Pteroides 189 
Faurot, L , — Arrangement of Mesenterial Septa in Peachia hastata 189 
M‘1ntosh, W. C. — Occurrence, of Ctenophores throtighout the year 189 
Hartlaub, C , — Eleutheria 189 
M’Intosh, W. C . — Abnormal Hydromedusse 190 
Porifera. 
Lendenfeld, K. von — Physiology of Sponges 190 
Keller, C. — Sponge-Fauna of Red Sea 192 
VosMAER, G. C. J . — Metamorphosis of Sponge-Larva .. .. 193 
Protozoa. 
ScHUBERG, A . — The Genus Conchophthirus 193 
Penard, E . — Notes on Heliozoa .. 193 
Wahrlich, W . — Anatomical Peculiarity of a Vampyrella 194 
Thelohan, P . — Spores of Myxosparidia 194 
Mingazzini, P . — Classification of Gregarines 195 
Klebs — Monads in the Blood in Influenza 195 
BOTANY. 
A. GENEB.AE, including* the Anatomy and Physiology 
of the Phanerogamia. 
a. Anatomy. 
(1) Cell-structure and Protoplasm. 
Degagny, C . — Nuclear Origin of Protoplasm . . .. 196 
Dangeard, P. A . — Behaviour of the Nucleus in the lower Plants .. .. .. 196 
(2) Other Cell-contents Cincluding Secretions). 
Hansen, A . — Calcium phosphate in Spheerocrystals 196 
Claudel, L. — Colouring-matter of the Integument 196 
(3) Structure of Tissues. 
Schenck, H . — Aerenchyme 197 
Raimann, K . — Structure of Dicotyledonous Stems 197 
Douliot, H . — Periderm 197 
Koeppen, M. — Thichening-ring of Baric 198 
Muller, F . — Free Vascular Bundles in Olyra 198 
Scott, D. H., & G. Brebner — Anatomy and Histogeny of Strychnos 199 
ScHRENK, J. — Floating-tissue of Nessea verticillata 199 
(4) Structure of Organs. 
Warming, E . — Podostemacese .. 200 
Mez, C . — Morphology of the Lauracese 200 
Kronfeld, M . — Dichotypism 200 
Halsted, B. D . — Stamens of Solanacex 200 
Mangin, L . — Development of Pollen 200 
Crepin, F . — Development of the Pollen-grains in Rosa 200 
Emery — Variations of Water in the Perianth 201 
Ludwig, F . — Extrafloral Nectaries i 201 
Lippitsch, C.— Tearing of the Leaves of Musacex 201 
Wetterwald, X . — Leaves and Shoots of Euphorhiacese and Cactaceae 201 
Meehan, T . — Glands in Echinops and Diervilla 202 
PouLSEN, V. A . — Glands of Eichhornia 202 
Heckel, E . — Calcareous Scales and Epidermal Glands in Glohulariex and Selagineae 202 
Lignier, O . — Protuberances on the Branches of Biota 202 
