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Cuenot, L . — Organogeny of Amphiura squcimatci .. 796 
Bell, F. Jeffrey — Variations of Pontaster tenuispin is 797 
Hartlaub, C . — Structure of Skeleton of Cut cita .. 797 
Ccelenterata. 
Samassa, P . — Histology of Ctenopliora 797 
Hacker, Y . — Segmentation of Ovum of ZEquorea Forskalea 799 
Koch, G. v . — Groivth of Clavularia ochraeea .. 799 
Driesch, Hs . — Heteromorphosis of Hy droids 799 
Hickson, S. J . — Hydrocorallinx of Torres Straits 799 
Gerd, W . — Formation of Germinal Layers in Hydromedusx 800 
Lang, A . — Budding in Hydra and some Hydroid Polyps 801 
Porifera. 
Bidder, G . — Excretion in Sponges 802 
Maas, O . — Recent Researches on Sponges .. 803 
Lendenfeld, R. y . — Histology of Calcareous Sponges.. . 803 
Protozoa. 
Balbiani, E. G . — Merotomy of Ciliated Infusorians 803 
Noll, F. C . — Nutrition of Trichosphxrium 805 
Schutt, F . — Structure of Peridinidx 805 
Frenzel, J . — Argentine Gregarinida 805 
Mingazzini, P . — New Sporozoa 806 
Severt, A . — Pulmonary Gregarinosis in Stillborn Child 806 
Pfeiffer, L . — Coccidium Infection 806 
„ „ Miescher's Tubes containing Micro -, Myxo-, and SarcospoHdia . . 807 
Foa, P . — Cancer Parasites 807 
Pfeiffer’s, (L.) Parasitic and Pathogenic Protozoa 808 
Bibliography 808 
BOTANY. 
A. GENERAL, including the Anatomy and Physiology 
of the Phanerogamia. 
a. Anatomy. 
(1) Cell-structure and Protoplasm. 
Mangin, L . — Pectic Substances in Plants 809 
(2) Other Cell-contents (including- Secretions). 
Osborne, T. B . — Proteids of the Oat 809 
Gerard — Vegetable Cholesterins 809 
Green, J. R . — Vegetable Trypsin in the Fruit of Cucumis ... .. 810 
Maiden, J. H .— New Gums from Leguminosx 810 
Schunck, E.. & G. Brebner — Action of Anilin on the Green Leaves of Plants .. 810 
Palladin, W . — Mineral Constituents of Etiolated Leaves 810 
(3) Structure of Tissues. 
Bertrand, G . — Composition of Vegetable Tissues 810 
Strasburger, E . — Conducting Tissues of Plants 811 
Trecul, A . — Appearance of the first Vessels in the Flowers in Lactuca 812 
Pommerenke — Comparative Structure of Woods 812 
Mer, E . — Causes of Variation in the Density of Wood . . 812 
„ „ Influence of Annular Decortication on Trees 813 
Raatz, W — Formation of Tliyllx in the Tracheids of Conifers .. 813 
Mangin, L . — Cystolitlis .. . . . .. 813 
Chatin, A . — Comparative Anatomy of Parasites 814 
Barber, C. A.— Corky Excrescences on the Stem of “ Zanthoxylum *’ 814 
Perrot, E . — Histology of Lauracex .. 814 
Tieghem, P. Van — Structure of Aquilariex 814 
Curtiss, C. C . — Stem of Wistaria 815 
(.4) Structure of Organs. 
Delpino, F . — Metamorphosis and Idiomorphosis 815 
Letellier, A. — Vegetable Statics 815 
Figdor, W . — Coalescence of Organs 816 
Loose, R . — Fruit and Seeds of Composite .. 816 
Wilczek, E . — Fruit and Seeds of Cyperacex 816 
Pammel, L. H. — Seed-coats of Euphorbia .. .. 817 
Correns, C . — Epiderm of the Seeds of Cuphea .. 817 
M‘Dougal, D. T . — Tendrils of Passi flora 817 
Klotz, H. — Comparative Anatomy of Cotyledons 817 
Chodat, R., & G. Balicka-Iwanowska — Leaves of Iridex 818 
Benecke, \V .— Cells bordering the Guard-cells of Stomates 818 
Chodat, R., & R. Zollikofer — Capitate Hairs and Motile Filaments of Dipsacns 819 
Warbbecker, A. — Fastigiate Hairs of Potentilla . . .. 819 
