( 6 ) 



Westien's apparatus for comparing symmetrical parts of the webs of the right and 



left feet of a frog (Fig. 2i0) • .. 879 



SOLLAS, W. J. — Apparatus for Determining the Specific Gravity of Minute Objects 



■MntZer <Ae Mcroscope (Figs. 211 and 212) .. .. .. 879 



"K-EEPTse, both Eyes open in Observation .. .. , 881 



Aperture P«3zi!es (Figs. 213 and 214) .. .. .. 882 



The ' Times ' on the Microscope .. 883 



HiPPiSLEY, J. — A Pocket Field Microscope 890 



Bu^AmmQ Nieol Prism .. .. ^ .. .. .. .» .. 891 



^. CoUectingr, Mounting and Examining Objects, &c. 



OiiTViEB, L. — Method for Observing Protoplasmic Continuity ., .. 892 



Noll, F, — Eau de JaveUe as a Medium for Clarifying and Dissolving Plasma .. 893 



KiCHAED, J. — Cocaine for Mounting Small Animals 893 



Babl, 0. — Preparing Tissues to show Cell-division , 893 



Beckwith, E. F. — Method for showing the Distribution and Termination of Nerves 



in the Human Lungs 894 



Cole, A. C. — Preparing Tail of Puppy .. .. .... 894 



Hertwig, O. — Demonstrating Spindle-shaped Bodies in the Tolh of Frog's Ova . , 895 



Waelomont. R. — Microscopical Technigue of the Eye 895 



HiLGER, C. — Preparing Eyes of Gasteropods .. .. 895 



Looss — Method of Softening Chitin 896 



Sazepin, B. — Demonstrating Nerve-end Organs in (he Antennm of Myriopeds ., . . 896 



Heller — Sources of Error in the Examination of Fresh Tisstees .. 896 



Beatjn, M. — Mounting Media for Nematodes 897 



Beard, J. — Preparing Myzostoma 897 



Ihl, a. — Sensitive Tests for Wood-fibre and Cellulose 897 



Hay, O. p. — Modification of Semper' s Method of making Dry Preparations .. . , 898 



D.S.'W.— Freeing Objects from Air 898 



Debes, E. — Cleaning and Preparing Diatom Material — Mounting Diatoms . . . . 898 



GowEn's Microtome 899 



J ACOBs's Freezing Microtome (Figs. 215 ani 216} 899 



'E'TEKSOvi's Microtome with Triple Pincers ., 900 



MiNOT, 0. S. — Gannett' s Dripping Apparatus (Fig. 217} 900 



Gierke, H. — Staining for Microseopical Purposes .. 90O 



'LisT,J.K.— Staining Methods 902 



Mays, K. — Staining Nerves in Muscle 903 



List, J. H,, & P. SoHiEFERDEGKEB — Anilin-green 903 



MoNDiNO, C. — Perchloride of Mercury in the study of the Central Nervous System ,. 904 



PoMMEB, G. — Deealeification and Staining of Osseous Tissue .. 905 



"Wielowieeski, v. — Staining the Nucleus of the Germinal Vesicle in Arthropoda . . 905 



OsBORN, H. F. — Double Injections for Dissecting Pv/rposes . . . . . , 905 



Hay, O. P. — Double Injections for Histological Purposes (Fig. 21S} 906 



Zengee, G. V. — Double-sided Slide 9(^ 



Mark, E. L. — Uses of Collodien 908 



Sharp, H. — Mounting in Cells with Canada Balsam 909 



Zengee, C. V. — Monobremide of Naphthalin and Tribromide of Arsenic .. .. 909 



M.ateb's Carbolic Acid SheUoic .. .. .. .. .. .. .. 909 



Slide-boxes (Fig. 219) .. .. 910 



Cbapjiats's Mould for Cells .. .. ., .. 911 



Steenbeeg, G. M. — Selection and Preparation of Objects for Photographing ,, ,, 911 



DoIjI^y's Technology of Bacteria Investigation 917 



Taylor, T. — Discrimination of Butter and its Substitutes ., .. .. 918 



AssMANN, B. — Microscopical Observations on the Constituents of CUmds 919 



LiNDT, O. — Micro-chemical Test for Brucin and Strychnin 920 



WiCHMAiTN, A. — Micro-chemical Examination of Minerals 920 



Streng, a. — Isolating Minerals in Sections for Micro-chemical Examination . . . . 921 



Williams, G. H. — The Microscope in Geology .. 921 



TicHBORNE — Application of the Microscope to Practical Mineralogical Questions ,. 922 



Joly, J. — Microscopical Examination of Volcanic Ash from Krakatoa .. .. .. 923 



Gunning, J. W. — Examination of Potable Waters 923 



Frankland, P. F. — Bemoval of Micro-organisms from Water .. .. 923 



Cox, C.F.— Hard-rubber Cells 925 



Davis, J. J. — A Simple Cover-compressor • 925 



Hitchcock, E. — Microscopical Exhibitions 926 



Queen's Prepared Diatoms in fluid ready for mounting 927 



Technical Notes 928 



Peooeedikgs of the Society 929 



