( 4 ) 



Protozoa. 



Wyjmxys, A.— Immcfrtahlij (•/ Unicellular Orgimisms 'Jfifi, 



(JurBEli, A. — Multinucleated i'rolvzoa 4(i7 



Kleiw, G. — I'eridini.x ■^'i\ 



roucilET, G. — Marine Peridiniai 4(i{>j 



Entz, G. — TinlinnodiU 4"0-' 



15LANC, H. — Variability and Mode of lieprodudion of Ceralium hirundimUa .. .. 470J 



Kellicott, D. 8. — Neio Infusoria 470 j 



Stokes, A. C. — New Vorticella 470^ 



FoLrs VE— Structure of llelicular Ehizopods ., 471^ 



Frenzfx, J. — Marine Gregarinidai 4711 



WiTLACziL, E. — New Grcijarine 47l| 



DANiLEwaiiY, B. — Jlxmatozoa in Cold-hlooded Animals 47 



NussBAt'M, M., & A. GuUBEB — Artificial Dtvmon of Infusoria 475 



BOTANY. 



A. GENERAL, including the Anatomy and Physiology 

 of the Phanei'Ogamia. 



o. Anatomy. 



Tangl, E. — Continuity of Protoplasm 47.'V| 



GnuNAKD, L. — Stru'ture and Division of the C)U-7iudem 474 



Bkhnimoulin, E. — Division of the Ccll-nucltus in Tradescantia 475 



SciiWAKZ, F. — Behaviour of the Nucleus after Division 47' 



Tsomncii, A. — Morphology of Chlorophyll-fjrains 4751 



Weiss, A. — Soluble Yellow Pigment in the Fdals of Pap>aver 47tJ] 



„ „ Spontaneous Movements of Pigment-bodies 476,1 



Krais, C. — Excretion of Ueallag SuhstanciS into Wounds 476j 



ycHWENDENEii, S. — Finnuess of Tissucs 47r 



ZiiuiERMANN, A. — Behaviour of tlie Optical Axes of Elasticity of Cell walls under 



Tension 47< 



Fischer, A.— Sieve-tiil)e System of Cucurbitacex ,. .. 477ij 



Fajiintzin, a. — Development if the Sclerenchymatous Fibres of the Oleander .. .. 47" 



Kkabue, G. — Groivlhof the Thicl:ening-riiuj ill Exogens 47f 



KoTur.ocK, J. — Intcrmd Cambium Iting in Gelsemium sempcrvirens 47m 



TscHiKCiJ, A. — Penetration of t1u3 Mechanical Ring for the Transport of Food- ^ 



material 479;^ 



JliLLEB, C. — Stolons of Sagittaria sagittitfolia .. .. 479 



Viii-LESiiN, P. — Anatomical Structure of the Stem of Compositce 4H" 



C'osTANTiN, J. — Structure of the Stem of Aquatic Plants 48it 



HiUA'.R,(i.iL—E2yidcrmis of Petals 4813 



Hteixbmnck, C- — Bursting (f Eipe Fruits , 481' 



GoDFiiiN, J. — Comparative Anatomy of the Cotyledons and Endusperm 4811 



JiBANVl, L. — Pollen of Gymniispetms 48t| 



Ukccaki, O. — Aid-harlHjurtng Organs of Plants .- .. 484 



Kkasan, F. — Malformations caused by Insects 484 



Bower &\i:iEii's Practical Botany 484 



j3. Physiologry. 



JuHANNSEN, W. — Developnumt of the Endospf-rm in Ilordewn 



HELLRlriJl'.L, II. — Influence of Light and Ileal on Plant DevcJopmcnt 485 



„ „ Evaporative Surfaces of Plants and Influence of Moisture in Soils 



on Plant Growth 48(1 



KORiiCHELT, P.— Apictd Gi-oirth of Phil nerogams .. 487 



ZiJiMEUJiANN, A. — Causes of A.iisolropy of (h-gunic SuhsUmccs 487 



Phh'SON, T. L. — Chemical Pliertomena of the Itcspiration of Plants 488 



Bonnier, G., & L. Masgin. — liesin'rat ion of Leaves in Darkness 488 



Vej^que, J. — Movement of Ascending Sap 480 



GoDLEWSKi, E. — Movement of Water in Plants 490 



WEyTEB3iAiEB, M. — Importance of Dead Tubes and Living Cells for the Conduction 



of Water in Plants 490 



Hansen, A. — Supply of Air to the Rods and Root-pressure 41)0 



\in\:i\^R, v.— Nutations of Seedlings ,. .. 4I>0 



iSiAHi,, E. — Influence of Light on Geotropism i-'l 



JiAyihES, A.—Pejitoniziug Ferments in Secretions S ' 



