( y ) 



■CMMAEY OF CUESBNT EeSSAECHES, &C. — COrdluued. ■ , 



T^'nladie ParadttG in Birds 213 



Dlcyemidx 213 



Jiof if era loitJiout Botary Organs , 211 



Supposed Coral-eating Mah its of Eolothuriam 215 



Stalked Crinoids 216 



New Deep-Sea Stalked Crinoid 216 



Aderid from Great Depths 216 



Cyclical Development and Belationships of the Siphonophora 217 



Ccelenterata of the Southern Seas 2i7 



Observations on Hydras .. 219 



Development of Benilla 220 



Scotch Pennatulida 221 



BUtschli's Protvzoa 221 



Observations on Protozoa . . 222 



New Flagellate — Chlorodesmos hispida 223 



Chologonium eucMorum, Ehrenberg . . . .' . . 223 



Botany. 



Living and Dead Protoplasm 225 



Continuity of Protojylasm in the Motile Organs of Leaves 225 



Development of the Embryo of Bupjna and ZannichelUa -. 226 



Plurality of Cotyledons in Persoonia 227 



Division of the Nucleus and of the Cell > 227 



Nucleus of the Cells of Secreting Tissue 230 



Analysis of Vegetable Tissues 230 



Chemical Composition of Vegetable Tismes 232 



Structure of Leaves in Belation to Nyctiiropism .. .. 2H5 



Transparent Dots in Leaves .. .. 236 



Epinasty of ^Leaves .. .. 237 



Starch-generators and Pigment-bodies 238 



Honey-glands of Cruciferai ,. .. 239 



Organs intei'mediate between Boot ami Leaves .. 239 



; Sieve-Tubes 240 



Adventitious Boots of Monocotyledons .- 241 



Generation of Heat by Arum italicum , . . . 242 



Formic and Acetic Acids in Plants 243 



Fertilization of Floivers by Lisects 243 



Influence of the Electric Light on the Development of Plants 243 



Peculiar Form of Stereome in Ferns , 245 



Structure and Branching of Dorsiventral Polypodiacem 245 



North American Isoetes .. 246 



Spermogonia of Uredin ex and their Belation to Insects .. .. ,. .. 246 



Beproductive Organs of Ascomycefes 24 7 



Fecundation of Achlya and Saprolegnia .. .. .. 247 



Morpjhology and Development of the Perithecium of Meliola 248 



Selenosporium aquxductum 24!) 



Hypholoma fascicidare, an enemy to forest-trees ., 249 



Paipalopsis Irmischise 249 



Pathogenous Mould-Fungi . . = , , 250 



Organisms in the Mould of Beer ,. ,. .. 252 



Schizomycetes and Schizophycex 253 



Microphytes of Caries of the Teeth 254 



Bacilli in Condensed Aqueous Vapour of the Breath of Phthisical Persons 255 



Bacillus tuber eidosis 255 



Bacteria of the Air and Soil 255 



Bacterium photometricum 256 



Crystallizable Substance produced by a Bacterium 258 



Beduction of Sulphates by Algx ., .. 258 



Morphology of Marine Algx 259 



Vaucheria •, 259 



Bejuvenescence of the Thallus of Vaucheria 261 



Assimilation of Sxmatococcus .. .. 261 



Movements of Oscillariex 262 



Movements of Diatoms 2G2 



Markings of Diatoms .. .. .. .. 26^ 



