( 4 ) 

 SuMMABT OF CuERBNT Ebsbarohes, &c. — continued. 



PAOE 



New Synchytrium 423 



Pathogenous Mucorini, and the Mycosis of Bahbita produced by them .. .. 424 



Micrococci of Pneumonia 425 



Bacteria of the Cattle Distemper . . . . . . . . 426 



Passage of Charbon-lacteria in the milk of ^nimals infected with 



Charbon .. .. .. .. ., .. ., .. 427 



Comparative Poisonous Action of Metals on Bacteria ,. .. 427 



Micro-organisms in Soils ,. .. .. 428 



Bacteria and Microscopical Algse on the Surface of Coins in Currency ., 428 



Babies .. .. .. ., , ,. 430 



Yeast-ferments .. 431 



Action of Cold on Microbes 432 



Fertilization of Cutleria 432 



Endoclonium polymorphum .. .. .. .. 433 



Godlewshia, a new Genus of Cryptophyceie 434 



Sexuality in Zygnemacex .. .. .. .. .. 434 



Movements of the Oscillariese .. 435 



Alveoli of Diatoms .. .. 436 



MiCKOSOOPT. 



Hensoldt' 8 and Schmidt's Simplified Beading Microscopes < .. 436 



Geneva Company's Travelling Microscope (Figs. 51 and 52) .. .. .. 437 



Beichert's Microscope with modified Abbe Condenser (Figs. 63 and 54) . . 437 



Beichert's Polarization Microscope (Fig. 55) . . . . 440 



Beinke's Microscope for Observing the Growth of Plants (Fig. 56) . . . . 441 



Tetlow's Toilet-bottle Microscope (Fig. 57) .. 442 



Griffith's Multiple Eye-piece (Fig. 58} .. .. 443 



FrancoUe's Camera Lucida ,. ,, . . .... 444 



Bogers' 8. New Eye-piece Micrometer 445 



Geneva Co.' 8 Nose-piece Adapters — Thury Adapters 445 



Selection of a Series of Objectives .. .. 445 



" High-angled Objectives " 450 



Zeiss' 8 A* Variable Objective and '* Optical Tube-Length " (Fig. 59) .. .. 450 



Queen's Spot-lens Mounting (Figs. QQ-%2) -. 452 



Paraboloid as an Illuminator for Homogeneous-Immersion Objectives .. 453 



Paraboloid for Botating Illumination in Azimuth (Figs. 63 and 64) . . . . 454 



Horizontal Position of the Microscope .. .. .. 455 



Flogel's Darh Box (Fig. 65) .... 455 



Feussner' 8 Polarizing Prism (Figa. 6Q-75) .. 456 



Abbe's Analysing Eye-piece (Fig. 74) . . 462 



Measurement of the Curvature of Lenses •. 462 



New Microscopical Journals 463 



Dissection of Aphides .. .. ,. .. .. 466 



Transmission, Preservation, and Mounting of Aphides . . . . 467 



Brechenf eld's Method of Mounting Hydrse , . 470 



Cell-sap Crystals .. ., .. . . 470 



Staining for Microscopic Purposes . . . . 470 



Mode of announcing new Methods of Beaction and Staining 471 



Pure Carminic Acid for Staining 471 



Hoyer's Picro-Carmine, Carmine Solution, and Carmine Powder and 



Paste .. .. ,. .. 474 



Dry Injection-Masses .. 474 



Irr^edding Diatoms 474 



Zentmayer's New Centering Turn-table (Fig. 15) 475 



Phosphorus Mounts .. 475 



Styrax .. .. .. 475 



Smith's New Mounting Media 476 



Wilks's Cell (Fig, 76) .. .. .. .. 477 



Closing Glycerine Cells ., ., .. .. 478 



Getschmann^s Arranged Diatoms 478 



Classification of Slides 478 



Blackham's Object Boxes . . .... 479 



Stillson's Object Cabinet . . . . . . . . 480 



Pillsbury's (or Bradley's) and Coles Mailing Cases (Figs. 77-79) .. .. 480 



Peooeedings OF THE Society (Figs. 80-82) .. .. .. .. .. 486 



