( 7 ) 
(3) Illuminating- and other Apparatus- faor 
Stratton’s Illuminator (Fig. 48) 416 
Delage, Yves — Some new Improvements applied to the mechanical part of the 
Microscope (Figs. 49-51) .. 417 
Karop, G. C . — A new Fine-adjustment for the Substage (Figs. 52 and 53) .. .. 421 
Piffard, Henry G . — The Camera Obscura v. the Camera Lucida 422 
(4) Photomicrography. 
Neuhaus’ (R.) Text-book of Photomicrography 423 
Castellarnau, D. Joaquin Ma. de — Photomicrography of the Solar Spectrum and 
Absorption Spectra (B’ig. 54) 424 
Vereker, J. G. P . — Photomicrography of Podura-scales 425 
Muras, T. H . — A simple Apparatus for Photomicrography (Fig. 55) 426 
(5) Microscopical Optics and Manipulation. 
Abbe —Determination of the Focal Length of Optical Systems 427 
Abbe & Czapski — Microscopic Image of Transparent Bodies 427 
Sang — Investigation of the Action of Meal's Polarizing Eye-piece 428 
(6) Miscellaneous. 
Dr. Yan Heurck on the Microscope 428 
Gage’s (S. H.) Text-book of the Microscope ' 430 
Behrens’ Tables for Microscopists 431 
Jackson, H.— Nature of Solutions and the Use of the Microscope 431 
The late Mr. W. W. Reeves 431 
;i 
/ 3 . Technique. 
Cl} Collecting Objects, including Culture Processes. 
Dewitz, J . — Mode of keeping Fresh-water Animals alive 432 
Heller ' — Antibacterial Value of Aristol 432 
Scheurlen — Effect of Centrifuging on Bacterial Suspension, with special reference 
to the Dissemination of Bacteria in Milk 433 
Johnston, W . — Collecting Samples of Water for Bacteriological Analysis . . 433 
Pastor, E . — Method of obtaining Pure Cultivations of Tubercle Bacilli from Sputum 433 
(2) Preparing Objects. 
Smith, A. Hopewell — New Method of Preparing Sections of Teeth and Bone, to 
demonstrate the hard and soft tissues in combination 433 
Beevor, C. E . — Investigation of Brain of Marmoset Monkey 434 
Clarke, S. F.— Preparation of Eggs of American Alligator 434 
Boclenger, G. A . — Preservation of Tadpoles 434 
Tcllberg, T . — Preservation of Invertebrates in a State of Extension 435 
Hardy, W. B . — Observation of Blood of Astacus 436 
Ide, M . — Study of Cutaneous Glands of Crustacea 436 
Andrews, E. A . — Study of Compound Eyes of Annelids 436 
Bolsius, H .— Examination of Ciliated Organs of Hirudinea 436 
Field, G. W . — Preparation of Echinoderms 436 
Haddon A. C., & A. M. Shackleton — Methods of Examining Zoanthese . . .. 437 
Moll, J.' W . — Mode of obtaining Sections of Ovules 437 
(3) Cutting, including Imbedding and Microtomes. 
Bumpus, H. C . — A new Method of Using Celloidin for Serial Section Cutting . . „ 438 
(4) Staining and Injecting. 
Lichen — New Method for staining Central Nervous System 439 
Schmaus — Methods of staining the Axis-cylinder in Sections of Spinal Cord .. .. 439 
Paladino, G . — Examination of Nerve-centres by Iodide of Palladium Process . . 439 
Bothin, Eng. — Useful Modification of Gram’s Method 440 
Chodat, B. Genevan Reagent 440 
C5) Mounting, including Slides, Preservative Fluids, &c. 
Cobb, N. A . — Fixation and Preservation of Compressed Objects 440 
(6) Miscellaneous. 
Muencke’s (R.) Centrifugal Machine for Bacteriological and Clinical Examina- 
tion Purposes (Fig. 56) 441 
Proceedings of the Society 442 
