( 4 ) 



Kkoobd op Current Eeskabohbs, &c. — continued. 



PAGE 



British Characese 670 



Formation of Fat in Fungi 671 



Secretion from a Fungus 671 



Anthracnose of the Vine 671 



Urocystis Cepulx 672 



Sterigmatocystis and Nematogonum 672 



Mycotheca Marchica 672 



Ceriomycesterrestris 673 



Vine-pock , 673 



Prehistoric Polyporus 673 



Relationship of Ozonium to Coprinus , . . . 673- 



Dieease of the Apple-tree caused by Alcoholic Fermentation 674 



Saecharomyces apiculutus 674 



Plasmodia of Myxomycetes 674 



Epiphora 675 



Lichens of Mont-Dare and Haute-Vienne .. .. 675 



Morphology of Floridex 676 



Bilateralness in Floridem 677 



Fructification of Chsetopteris plumosa 678 



Fructification of Squamariem . . 678 



Fresh-water Algse of Nova Zemhla 679 



Thermal Anahmna 679 



Polycystis xruginosa, a cause of the Bed Colour of Drinking-water .. .. 680 



Bain of Blood 680 



Endochrome of Diatomacese (Fig. 54:) 680 



Belgian Diatomacese , . . . . 687 



New Deposit of Diutomaceous Earth 688 



Preservation of Solutions of Palmelline 688 



Microscopy. 



Localities for Fresh-water Microscopical Organisms 689 



Collection of Living Foraminifera 690 



Cleaning Foraminifera 692 



Wax Cells 692 



Carbolic Acid for Mounting 693 



Double-staining of Vegetable Tissues . . . . 693 



Wickersheimer's Preservative Fluid and Vegetable Objects 696 



Hardening Canada Balsam in Microscopic Preparations by Hot Steam . . 696 



Ringing and Finishing Slides 696 



Cleaning Cover-glasses 698 



Preparing Sections of Coal 698 



Cutting Bock Sections 699 



Simple Mechanical Finger . . ., 700 



Slides from the Naples Zoological Station 700 



Homogeneous-Immersion Lenses 701 



Fluid for Homogeneous Immersion .. .. 701 



Errors of Refraction in the Eyes of Mieroscopists 701 



Micrometre or Micromillimetre . . 702 



Micrometry and Collar-adjustment .. . . 702 



Zeiss' s Microspectroscope (Fig. 55) 703 



Boss's Improved Microscope (Pl&te X.YI.) 704 



Professor Huxley's Dissecting Microscope (Fig. 56) 705 



Nachet's Chemical Microscope (Fig. 57) 707 



Tiffany's Prepuce Microscope 709 



Tolles-Blackham Microscope-stand .. .. ,, .. , 709 



Weber-LieVs Ear Microscope (Fig. 58) 710 



Trichina-Microscopes — Hager's, Schmidt and Haensclis, Waechter's, and 



Tescftwer's (Figs. 59-63) .. .. 711 



Matthews' Improved Turntable (Figa. 64: and 65) 716 



BiBIJOGRAPHY .4 .. .. .. .. .. .. .. 718 



Peoobbdings of the Society .. .. .. .. .. .. 733 



