( 4 ) 



Protozoa. ^^<"' 



GnrBEB, A.— Further Experiments on the AHifidal Division of Infusoria .. . . 65S 



^'i:OKES, K. C.— VorticeUai with tioo Contractile Vesicles ooy 



New Fresh-water Infusoria .... ••,••••:•, ^^n 



Vi^^'V^^.?>K\ii.h^— Infusyrial Parasites of th^Tasmaman White Ant bb^ 



BvcK,E.— ijnstalked Variety of Podo:phryafixa oo- 



IjOCKV^OOJ), S.—Peeudo-cyclosis 



f)EBCKE,T.— New Protozoon .. .. •■ •• ■• ; ^..f. 



BrscHHAUPT, G.— Deue/opmewf 0/ ilfonoc2/8(zd GregrariMea •• bOD 



BOTANY. 



A. GENERAL, including the Anatomy and Physiology 



of the Phanerogamia. 



a. Anatomy. 



Vries, H. VE—Cirailation and Eolation of Protoplasm as a means of Transport of 



Food-material.. •• . •• •• ■ ^65 



Gtjignaed, L.—Bidson of the Cell-nucleus in Plants and Animals .. 6b6 



Fbommann, G.— Changes in the Cell-walls of Epidermal Cells and in the Hairs of 



Pelargonium zonale • 668, 



CKKS0Y'a(3.B.) Biology of the Cell 669 



JlEiJifKE^J.— Decomposition of Solutionis of Chlorophyll hy Light 669 



Wegscheider, B,.— Spectra of the Pigments of Green Leaves and their Derivatives 670 



WoKTMANN, J. — Bed Pigment in Floivering Plants 670 



Ar^&vd— Identity of the Orange-red Colouring Matter of Leaves with Carotine .. 670 



Cvvom, G.— Formation of Starch in the Leaves of the Vine 670 



Fischer, A. — Starch in Vessels .. .. 671 



Maxjmene, E. J. — Presence of Manganese in Plants . . . . . . . . 671 



GiHAED, A. — Nutritive Properties of the various portions of the Grain of Wheat .. 671 



Pfitzer, E. — Assimilating Cavities in the interior of Tubers of Bolbophyllum . , .. 671 



HEraKiCHEK, E. — Idiohlasts containing Albuminoids in some Cruciferx 672 



TiESHEii, P. VAN — Annidar and Spiral Cells of Cactacese .. 672 



Heckel, E. — Fortnation of Secondary Cortex 673 



MoROT, L. — Pericycle of the Boot, Stem, and Leaves 673 



ScHENCK, H. — Changes of Structure in Land-Plants when growing submerged .. . . 674 



CosTANTiN, J. — Epidermis of the Leaves of Aquatic Plants 674 



Marie, P. — Structure of Banunculacem . . 674 



EnsBY, H. H. — Opening of the Anthers in Ericaceae 675 



Vesque, J. — Anatomy of the Leaf in Vismiese 675 



Heisricher, E. — Eeduced Organ in Campanula .. 675 



Savastano, L. — Hypertrophy of the Bud-cones of the Carob 675 



TowNSEND, F. — Homology of the Floral Envelopes in Graminese and Cyperaceie . . 676 



DcCHAKTRE, P. — BulMls of Begonia socotrana .. 676 



Masters, M. T. — PetaJody of Ovules 676 



Habeblandt's Physiological Anatomy of Plants 677 



Beheens's Text-book of General Botany 677 



/3. Physiology. 



HoFFJiAiTN, H. — Production of Male and Female Plants 677 



JoNSSON, B. — Fertilization of Naias and Callitriche .. 677 



Bdysman — Influence of direct Sunlight on Vegetation 678 



Deherain, p. p., &PL.. 'Maqvens-e— Absorption of Oxygen and Evolution of Carbon 



dioxide in Leaves kept in Darkness 678 



Bonnier, G., & L. Mangin— Variation of Bespiration loith Development .. .. 679 



WoRTjiANN, J. — Thermotropism of Boots 679 



ScHEiT, M. — Air in Water-conducting Wood 679 



Ladureatj, a. — Ammoniacal Ferment .. 680 



Dietzell, B. E. — Source of the Nitrogen of the Leguminosse 680 



Atwater, W. 0. — Absorption of Atmospheric Nitrogen by Plants 680 



B. CRYPTOGAMIA. 



Cryptogamia Vascularia. 



Zetller, E. — AfUnities of Lacoopteris 681 



DiEVhAFAXT— Composition of the Ash of Equisetacex, and its Bearing on the 



Formation of Coal 681 



ToPPFEB, A. — Transitional Equisetum 681 



