( 4 ) 



Protozoa. taob 



KrNSTLEO, J. — Vesicular Elemtmts of rrnfopht^m in Protozoa 748 



MEIS^<^•ER, M. — I'hijgiolngy of Xutriiion in l'riito:oa 749 



I?j!i YSE, C. HE — Satnre of Contractile Vacuole 7U) 



GiUBEiJ, A. — Further Observations on Multinnclear Infusoria 7r)0 



FABBE-UoMERorE — Researches on CiUatetl Infusorla 751 



Mavtas, E. — Conjugation of Vorticellidx 752 



FABKE-DoMEuarE— i?/rMc/ure o/ Urccolanas 753 



Faxkhai'SEIi, J. — Eunlena 754 



Dangearp, p. a. — Cryptomonadinex 754 



GouRRET, P., & P. RoESER — Protozoa of Corsica 755 



Verworn, M, — Biolofjica} Studies on Protista 755 



Gkvrer, a. — New Rhizopods 757 



Carter, H. J. — Observations on Parkeria 757 



Sherbobn's (C. J). ) Bibliography of the Foraminif era 757 



BOTANY. 



A. OENEHAL, including the Anatomy and Physiology 



of the Phanerogamia. 



a. Anatomy. 

 (1) Cell-structure and Protoplasm. 



BoKORNT, T. — Action of heisic substances on living Protoplasm 758 



Errera, L. — Forms of Cells 758 



Klkbs, G. — Physiology of the Cell 758 



VViELEB, A. — Plasmolysis in Pioneering Plants 759 



(2) Other Cell-contents (including: Secretions). 



MiCHArD, G. — Alkaloid and Siigar in Cyclamen 759 



Ueckel, E., & F. Schlagdenhauffen — Laticiferous product of Mimusope and 



Payena 759 



Acton, E. H. — Formation of Sugars in the Septal Glands of Narcissus 759 



Tschirch, A. — Contents of the Cells of the Aril of the Nutmeg 760 



Bebthelot, & G. Andkb — Phosphorus and Phosphoric Acid in Plants 7C0 



(3) Structure of Tissues. 



Triebel, E. — Oil-receptacles in the Boots of Composite 760 



DoTLiOT, H. — Formation of Periderm .. 7G1 



Pbael, E. — Protecting-tcood and Duramen 761 



Mer, E. — Catises which produce Eccentricity of the Pith in Pines 761 



„ „ Inttuenceof Exposure on the Formation of the Annual Rings in the Satnn 762 



Comes, O. — Mid nero of tlie Vine 762 



(4) Structiire of Orgrans. 



BoRzi, A. — Formation of Lateral Roots in Monocotyledones 762 



Mangin, L. — Permeability of the Epidermis of Leaves for Gases 763 



SciiAEFER, R. — Influence of the Turgidity of the Epidermal Cells on the Stomata .. 763 



MiTTMANN, B. — Anatomy of Spines 763 



HoVELACQUE, M. — Propagula of Pinguiculu 764 



Pfitzer, E. — Flower of Orchidex 764 



Calloxi, S. — Ovules of Rnmex 764 



HYJtASO, K.— Seeds of Pharbitis triloba 764 



Heisricheh, H.— Structure of Impatiens 764 



Dennebt, E. — Anatomy of Nelunidum 765 



p. Physiolo&y. 

 (1) Reproduction and Germination. 



Hegelmaier, F. — Formation of Endosperm in Dicotyledons 765 



Marilavs. A. K. y.— Fertilization of Euphrasia 767 



Dammer, U. — Adaptation of the Flowers of Eremurus allaicus to Cross-fertilization 767 



Lewin, M.— Germination of Monocotyledons 767 



Mexozzi, A. — Chemistry of Germination 767 



(2) Nutrition and Growth (including: Movements of Fluids). 



KRErsLEB, U. — Assimilation and Expiration of Plants 768 



Hildebband, F. — Production of Vegetative from Fertile Slwots of Opuntia .. .. 768 



Hunger, E. H. — Viviparous Plants and Apogamy 768 



