( 4 ) 



Coelenterata. paqb 



NrSSBAUM, M. — Regeneration of Polypes .. .. .. .. *. 967 



Wilson, H. Y.— Structure of Cunoctantha odonaria in adult and larval stages .. 967 



IsHiKAWA, C. — Origin of Male Generative Cells of Eudendriurn racemosum .. .. 968 



KoEOTKEFF, A. — Polyparium and Tubularia 968 



Ehleks, E. — Polyparium amhulans 969 



Chtn, C. — Morphology of Siphonophora • • • • 970 



Haacke, W. — New ScypTiornedusas . ■ 971 



FowLEB, G. H. — Anatomy of the Madreporaria 971 



BoUENE, G. 0. — Anatomy of Mussa and EuphyUia, and the Morphology of the 



Madreporarian Skeleton « 972 



Porifera. 



Dendt, a. — Cladorhiza pentacrinus 972 



Protozoa. 



MArpAS, 'EL.— Theory of Sexuality 973 



Kellicott, D. S. — New Infusoria ^ .. «v 974: 



Stokes, A. 0. — New Fresh-icater Infusoria 974 



„ „ New Hypotrichoua Infusoria from American Fresh Waters ,. ., 975 



Dantsz, J. — Development of fresh-water Peridinese 976 



Blochmann, F. — Beproduction of Euglypha.. ... , 976 



ScHLrMBEBGEB, C. — Planispirina 977 



GiAED, A. — New Parasitic Rhizopod , 977 



LoEFT, A. TAN DEB — Amcehx of Variola vera 977 



PebebaslattziSta, B. — Protozoa of the Black Sea 977 



Danilewsky, B. — Parasites in the Blood 977 



PrErFFEB, L. — New Parasite of the Pock-process belonging to the Sporozoa . . - • 978 



BOTANY. 



A. 6ENEB.AL, including the Anatomy and Physiology 

 of the Phanerogamia. 



a. Anatomy. 



(1) Cell-stmctTire and Protoplasnx. 



Scitwaez, F. — Morphological and Chemical Composition of Protoplasm 979 



Habeelani>t, G. — Position of the Nucleus in Mature Celh 980 



Keasseb, F. — Albumen in the Cell-wall ,. ., 981 



LiETZMANN, E. — Permeability to air of Cell-walls 981 



ScHWEN'DESEB, S. — Swelling and BoiMe Befraction of Cell-widls 981 



MoLiscH, H. — Silicijied Cells in Calathea .. 982 



(2) Other Cell-contents. 



Chmielewsky, V. — Structure of Chlorophyll-grains . , . . 982 



Petbou, J. — Hourly Variations in the Action of Chlorophyll .. 982 



Metee, a. — Starch-grains coloured red by Iodine . . , 982 



Chmielewskt, v. — Proteinaceous bodies in Epiphyllum 983 



AsNArD, A. — Carrotene in Leaves 983 



Techiech, a. — Calcium oxalate in Aleurone-grains .. .. 983 



MoLiscH, H. — Nitrates and Nitrites in Plants .^ 983 



Stahl, E. — Biological Import of Baphides 983 



(3) Secretions. 



Heckel, E., & F. Schlagdenhauffen — Secretion of Araucaria 984 



(4) Staracture of Tissues. 



AeeschoTjG, F. "W. C. — Aquiferous Tissue in the Leaves of Sansevieria 984 



PiEOTTA, J. K., & L. Maecatilli — Laticiferous Vessels and Assimilating System 984 



FiecHEB, A. — Sieve-tubes 984 



Bateson, a., & F. Daewin — Effect of Stimulation on Turgescent Vegetable Tissues 985 



Leblois, a. — Formation of Tyloses in the interior of Secretory Canals 985 



Tieghem, p. van — Super-endodermal Network in the Boot of Bosacete .. .. .. 986 



Saipe, A. — Anatomical structure of the wood of Leguminosse 986 



