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B. CBYPTOGAMIA. 



Cryptogamia Vascularia. 



Druery, C. T., & F. O. Bower — Apospory in Ferns— Singular Mode of Develop- 

 ment in Athyrlum Filix-fcemina .. ,. .. 491 



Terletzki, p. — Anatomy of the Vegetative Organs of Struthiopteris germanica and 



Pteris aquilina .. • . • • • • 492 



Campbell, D. H. — Third Coat in the Spores of the Genus Onoclea 493 



Zeillee, R. — Fructification of Sigillaria .. .. .. 493 



MuscinesB. 

 Oltmanns, F. — Movement of Water in Mosse& 493 



SiRODOT, S. — Batrachospermum .. .. 494 



HiEROSYMXJSfG.—StephanosphcerapluviaUs , 495 



Hansgirg, A. — Classification of the Lower Algve .. 495 



Wolle, F. — Neto Fresh-iuater Desmids .. .. 4'r'7 



KiTTON", F. — New Diatoms from the " Saugschiefer" of Dubrdvica 497 



MiJLLBR, O. — Cell-division in Melosira .. .. 497 



Castracane, F. — Deep-sea Diatoms 498 



„ „ Fossil Diatoms .. .. 498 



Heurck, H. Yath— Structure of the Diatom-valve . . . . 498 



Mills, H..— Filaments on Diatoms .. .. r .. 571 



liichenes. 



FiJNPSTUCK, M. — Development of the Ajpothecia of Lichens .. ., .. 4r99 



Hartog, M. M. — Nature of LicJiens 500 



Fungi. 



Fischer, E. — Development of the Gasteromycetes , 501 



FiscH, C. — Development of Doassansia .. .. .. .. <. 502 



Ploweight, 0. B. — Beproduction of the Hetercecious Uredinese .. ., .. ., . . 503 



Errera, L. — Glycogen in the Basidiomycetes . . .. ' ,, 503 



LuDwiG, F. — Spectroscojnc Examination of Photogenic Fungi ,, .. 504 



Fetjilleaubois — Structure of Phalltis impudicus 505 



Hesse, K, — Hysterangium rubricatum, a new Hymenogaster 505 



Gadeau de Kerville, H. — New Fntomogenous Fungus ,. .. 605 



CojiES, 0. — New Parasitic Oidium .. .. . . 505 



Hartig, R. — Dry-1-ot .. 505 



Bainiee, G. — Zygospoi-es of Mucorini ., ., 505 



Protophyta. 



Gobi, 0. — Amoeioidese , 506 



EiCHTEE, P. — Beggiatoa roseo-persecina, , . 508 



Duoladx, B. — Influence of Sunlight on fhe Vitality of Germ-i 508 



Kratjse, P. — Micrococcus in Acute Infectious Osteomyelitis.. .. .. 508 



Vandevelde, G. — Chemistry of Bacillus suhtUis 508 



JoHNE, BucHNER, & DoTEK — Cliolcra BacHlus .... 509 



Ermengem, Van — Inoculation of Guinea-pigs with Comma-BaciUus ., .. .. 509 



See, Germain — Infectious and Parasitic Pneumonia -. .. .. 510 



Chairy — Action of various Compounds on Tyrolhrix .. .. .. .. .. .. .. 510 



Feeudeneeich, de — Purity of Air in Alpine Begions. Besistanee of Aerial Bacteria 



to Cold 511 



KmoT, Q. C— Bacilli of Eydroplwlia (Fig. 133) .. .. .. .. .. ,. .. 573 



MICROSCOPY. 



a. Instruments, AccessorieSj &c. 



Beck's "iStar" Microscope (Fig. 99) .. 512 



Class Mcroscopes (Figs. 100 and 101) 514 



GiACOumi's Microscope with large Stage (Figs. 102 arxd \03) 515 



MicuosGov^a luith Bent Body-tube (Figs. lOi SLiid 105) .. .. , .. 517 



Oh-D Italian Microscope (Fig. lOQ) .. .. ., 518 



M.vll^r's Insect-catcher witii Lens — Jnsecf-cagfes (Figs. 107-9) .. .. 519 



ToLLEs's Centering Stage (Fig. 110) .. 521 



'E^ikvWiAGMS for Beck's Vertical Illuminatm- (Fig. Ill) ... 522 



Stephenson's j7jiTOemoK IHwrnmafor (Fig. 112) 523 



'Vfrnr's Adjustable Dark-groundllluminator (Fig. 113) .. .. 523 



MiEEQE Diapftj-ofifms (Fig. 114) 523 



Q,Vimj!(, J. ^Y.— Ce7itering the Illuminating Beam (Fig. 115) ., .. .... ..524 



