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Characese. page 



Whitelegge, W. — Botation in Nitella 277 



Algae. 



Gay, F. — Formation of Cysts in the Clilorosporese 277 



WiLDEMAN, E. De — Tannin in Algx 278 



EosENTiNGE, K. — MorpJiology of Polysiphonia 278 



PoTTEE, M. C. — Epiclemmydia lusitanica, a new species of Alga 278 



FA-RLoyf,W.G.— Arctic Algx 278 



ToNi, G. B., & D. Levi — Plnjcotheca Italiana . • . . 278 



Lagebheim, G. — Scandinavian Algx 278 



„ „ American Desmids ., 279 



JvhiEN—Pyritized Diatoms 279 



Lichenes. 



ZvKAjj, H. —Beceptaeles for reserve-materials in Lichens 279 



Fungi. 



Seynes, J. de — Endogenous Production of Spores 279 



Belzung, E. — Formation of Starch in Sclerotia 280 



Patouillaed, N. — Helicohasidium and Exohasidium 280 



„ „ Conidial Form of Hymenomycetes 280 



Beelese, A. N. — Macrophoma, a new genus of Sphasropsidese 280 



VciLLEMiN, P. — Conjugation of Mucorini 281 



„ „ Membrane of the Zygospores of Mucorini 281 



Tavel, F. VON — Development of Pyrenomycetes 281 



Berlese, A. N. — Protoventuria, a neio genus of Pyrenomycetes 282 



Patobillard, N. — New genera of Pyrenomycetes 282 



MoBiNi, F. — Vubereularia 282 



JoHANsoN, C. J. — Scandinavian Permiosporex, Ustilaginese, and Vredinex .. .. 282 



ZoPF, W. — Ancylisteie and Chytridiacex 283 



EosTRUP, E. — Fungi parasitic on Coniferae 284 



Dangeard, P. A. — Neic Genus of Chytridineie 284 



Ward, H. Marshall — Structure of Entyloma 284 



Thomas, F. — New Synchytrium 285 



LuDWiG, F. — Alcoholic Fermentation on living Trees 285 



Protopbyta. 



Beck, G. — Hormogones of Gloeolrichia natans Thur. .. .. 285 



Lagerheim, G. — Reproduction of Codioluyn 285 



RiCHTER, P. — Vrococcus, Coccochloris, and Polycystis .. .. 286 



MiTTENZTVEiG, H. — Pathogenic Bacteria 286 



Savastano, L. — Tuberculosis of the Olive 286 



Sehron, V. — Tubercle Bacilli 286 



MICEOSCOPY. 



a. Instruments, Accessories, &c. 



(1) Stands. 



Grunow's (J.) -P'ipicj'aw's -^ficroscope (Figs. 35 aud 36) 287 



'B\i^ciCe{G. J.) Perspective Microscope 288 



Weyers, J. L. — Entomological Microscope 288 



Lehm ANN'S (O.) Crj/sto/h'zaijon Mcroscopes (Figs. 37-40) 289 



Nelson's (E. M.) " iVewj /S'fwdewf 8 McToscope " (Fig. 41) 292 



Lindsay's /Smj3?e ilficro8co;3e (Fig. 42) 293 



(2) Eye-pieces and Objectives. 

 Frazvir's (A.) Centering I^^ose-piece for use with Double Nose-pieces (Fig, iS) .. .. 294 



TvnumLh's^.f.M.) Improved Sliding Nose-piece and Adapter (Hig.ii) 295 



VfAi.ES's (W.) Cover-carrier for Immersion and Dry Lenses 296 



Gage, B. H. — Paper for Cleaning the Lenses of Objectives and Oculars 296 



(3) Illuminating: Apparatus. 



Jo:s^'b Badial Swinging Tail-piece (Fig i5) 297 



(4) Other Accessories. 

 Ijaswell's (W. A.) Botating Stage and Circular Slides for large Series of Sections 



(Figs. 46 and 47) 297 



y^Anx and Cold'' Stages" (Figs. 48-81) 299 



MmiAs's (A.) Arrangement fvr Beating Minerals (Fig. 82) 318 



CnAhTiY, h.— Capillary Tube Slide aiid Perforator of Cell-elements 319 



