( 5 ) 



(3) Irritability. ^^"^ 



Aderhold, E. — Forces ivhich determine the Movements in the Lower Onjanii'ms .. 90 



VocHTiNG, H.—Photu-position()f Leaves '^} 



WouTMANN, J .—Phenomena of Curvature .. .. .. .. ^^ 



(4) Chemical Chang-es (including- Respiration and Fermentation). 



BoKORNY, T. — Chemical process in Assimilation . . .. "-' 



Palladin, W. — Decomposition of Albumen in the absence of free oxygen .. .. ^'^ 



y. General- 



Ttjbeuf, 0. V, — Parasites on Trees .. .. 93 



Stahl, E. — Protection of Plants against Snails 93 



B. CRYPTOGAMIA. 



Cryptogamia Vascularia. 



Haberla^bt, G.^Chlorophyll-hodies of Selaginella 93 



Tretjb, M. — Prothallium of Lycopodium -. 9i 



Heustrichee, B.— Influence of Light on the Origin of Organs in the Fern-emhryo . . 94 



Musciuese. - 



Warnstoef, O. — A cufifolium-Section of Sphagnum •• 9'* 



'Rabenhorst's Cryptogkmic Flora of Germany (Musci) .. .. ■• 93 



Algae. 



Eeinke, J. — Ghromatophores of Phreosporess .. •• .. •• ..95 



MiNULA, W. — Mode of Distribution of Algm .. 95 



Andersson, 0. F. — Genetic Connection of Draparnaldia ghmerata and PalmeUa 



uvseformis .. , 95 



Dangeard, p. a. — Inferior Alqm .. .. .. 95 



MoBiTJS, M. — New Algse from Porto Rico .. .. .... .... .. .. .. 97 



Nordstedt, 0.^ — Algai of New Zealand and Australia .... .. 97 



Fungi (including Lichenes). 



Johnson, W. — Sporids of Lichens .. •• •• 97 



Amthoe, C. — Saccharomyces apicidatus 98 



Aecangeli, G.^KeJir .. .. .. •• •• ■■ 99 



Zukal, H.^ — New Type'of ITymenomycetes .. .- .. 99 



SoLMS-LAtJBAGH, Grafzu — UstHogo TreuMi 99 



Bary, a. T)E—Saprolegnie£e .. •■ •• •• 99 



FoEx, G., & Ij. B.AYAZ-r-Struciure of White Rot _ 100 



Warburg, O. — Cancer of the Cinchona 100 



GA\AnA,F.—Neiv Fungi of the Vine .... .. •• •• •• •• «• •■ •• 100 



Viala, p., & L. Eayaz — Diseases of the Vine .... 100 



HABEnnansT's Cryptogamic Flora of Germany {Fungi) .. .. .. .. .. .. 101 



Protopliyta. 



a. Scliizopliycese. 



Hi-ehotxymjjs. G.—Dicranochffte, a new Genus of Profococcaceie .. 101 



Dbby, S.— Structure of Diatom-valves .. 101 



KirTON, F. — Neiv Species of Navicida .. .. 101 



Castracanb, Count F. — Diatoms of Hot Springs .. 102 



„ „ Composition of the Marine Tripolis of the Valley of 



Metaurus .. .. .. .. .. .. 102 



Hansgirg,- A. — Classification of the Gyanophyce^' .. .... 102 



Bornet, E., & C. Flahatxt — Heterocystous Nostocaceie .. .. . .. 103 



ToBiASCHEK, H. — Relationship of Bacillus mur all s and Glaucothrix gracillima .. 103 



0. Scliizomycetes. 



Billet, A. — Bacterium Balbianii, a chromogenous marine Bacterium 104 



Salkowski, E. — -Ferment from putrefactive Bacteria .. .. 104 



Wakkbr, J. H. — Contributions to Vegetable Pathology .. .. 105 



