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PAGE 



Graff, L. V. — ' Challenger' Myzostamida .. ., .. ., .. .. 68 



Spengel, J, W. — Anatomy of BalanoglosBus .. i 69 



JiCKELi, C. F. — Process resembling Copulation in Comatula mediterranea ., .. 70 



Lendenfeld, K. V. — Local Colour-varieties of ScyphomedussB .. ,. .. .. .. 71 



„ „ Scyphomediisx of the Southern Hemisphere 71 



Haacke, W. — Pseudorhiza haechelii . . 71 



Lendenfeld, R, V. — Development of the Versuridse 72 



„ „ Flexor Muscle of the Hydroid Polyp of Sarsia radiata . , . . 72 



BovB'S'E, A. G.—Sydriform Phase of Limnocodium Sowerhii 72 



Thompson, D'Abcy W. — Hydroid Zoophytes of the 'Willem Barents' Expedition, 



1881 ., 73 



EiDLBT, S. 0. — Structures liable to Variation in the Astrangiacem (Madreporaria) .. 73 



SoLLAS, W. J. — Development of Halisarca lobularis .. .. .. 73 



Lendenfeld, B. v. — Mode of Digestion in Sponges 74 



VosMAEE, G. C. J. — Note on Spo7iges 75 



Potts, E. — Modification in the form of Sponge Spicules 75 



'L'ET'fD'EiiFELJ), B,. y.— Australian Sponges.. ., .. ,. 76 



Potts, E, — Wide Distribution of some American Sponges .. .. 76 



Heetwig, R. — Erythropsis agilis, a New Protozoon 77 



Kellicott, D. S. — New Vortic'ellid 78 



Eydeh, J. A. — Chlorophylloid Granules of Vorticella 78 



Hennegut, L. F. — New Ciliated Infusorian 79 



Stokes, A. C. — New Fresh-water Infusoria 80 



Entz, G. — Infusoria of the Gulf of Naples .. ., ., 80 



Keebekt, C. — New Infusorian Parasite 81 



Stokes, A. 0. — New Parasitic Infusoria ..81 



Hennegut, L. F. — Flagellate Infusorian parasitic on Trout 82 



KiJNSTLER, J. — New Mhizopod 82 



Sohneidee, A. — Ophryocystis biitscJdii 82 



BOTANT. 



ScHAAHSOHMiDT, J. — Connection of Protoplasts and Intercellular Protoplttsm .. .. 83 



HiLLHOUSE, W. — Intercellular Relations of Protoplasts 84 



Veies, H. DE. — Plasmolysia , , 84 



Flemjiing, "W. — Division of the Nucleus 86 



Peommann, C. — Structure, Vital Phenomena, and Beactions of the Cell 86 



Penzig, O.—Cystoliths of Cucurhitacese 87 



Hansen, A. — Chlorophyll 87 



Eeinke, J. — Fluorescence of Chlorophyll in Leaves 88 



TscHmcH, A. — Morphology of Chlorophyll-grains .. 88 



Feank, B. — Formation of Gum in M^ood .. , 88 



Lange, J. — OU-receptacles in the Fruit of TJmbelliferse- 89 



HoHNEL, F. YON.— Influence of Cortical Pressure on tlie Bast-fibre 89 



Koch, A. — Course and Termination of the Sieve-tubes in the Leaves ^ 90 



Kleroker, J. B.F. AF.— Mechanical Function of the ^'dermis 91 



Borodin, J. — Comparative Anatomy of Leaves of Chrysosplew'um ., 91 



JoHow, F, — Adaptation of Leaves to their environment 91 



Sablon, Lecleeo Du. — Dehiscence of Anthers 91 



VoLKENS, G. — Calcareous Glands of Plumbaginess .. .. 92 



Hildebkand, F. — Protective Contrivances in the Bulbs of Oxalis .. 92 



Be Baby's (A.) Vegetative Organs of Phanerogams and Ferns 93 



Adbianowskt, A. — Influence of Light on the Germination of Seeds 93 



"WoLLNX, E.— Effect of Depth of Sowing on the Germination and Growth of Plants .. 93 



HeIjI^iegeIj.— Influence of Water on the Groivth of Plants 93 



MoLLEE, H. — Respiration of Plants . . 94 



Bonntee, G., & L. M-ATSG-m.^Respiration of Tissues not containing Chlorophyll .. 94 



ScHtJTZENBEEGEE, P. — Respiratory Combustion ,. ,. ,.95 



Ambeonn, H. — Meliotropic and Geotropic Torsion 95 



FiETSCH, G.— Geotropic Sensitiveness of the Apex of the Boot .. .. - 96 



MoLiscH, ^.—Deviation of Roots from their Normal Direction through the Influence 



of Gases . . 96 



ScEULZE, C. — Albuminoid Constituents of Plants 97 



Vbies, H. db. — Periodical Formation of Acids in Succulent Plants 97 



Joeissen, A, — Production of Hydrocyanic Acid by Plants 97 



h'RAsm, Jj.— Presence of Amylase in Leaves .. ,. ,. ,. 97 



SouBY, B.. C— Autumnal Ti7its of Foliage ..- 97 



Detmeb, W, — Formation and Action of Diastase , 98 



Deueey, E. T., F. O. Bower, & W. T. Thtselton BYEB.—Apospory in Ferns . . 99 



^ovT-awoRTH, E. A.— Stomata of Equisetum 99 



Philibeet. — Peristome of Mosses 100 



MtJLLEE, K. — Solmsiella, a new genus of Mosses .. .. 101 



Leitgeb, H. — Spore-coats and Germination of Hepaticx 101 



