(/ ) 



Summary of Cubkent Eeseakches, &c. — continued. 



rAOK 



Phylloiiphon Arisnri ,, .. .. 391 



Structure of CoralUna .. 393 



Impurities of Drinking Water caused by Vegetable Growth 394 



Fossil Sipho7iese 394 



FalJcenberg's Algie 394 



Motion of Diatoms 394 



MiCBOSCOPY. 



Griffiths Pmiable Microscope 395 



Parkes' Class Microscope (Figr. 61) 395 



Pringsheim^s Photo-chemical Microscope (Fig. G2) 395 



Waechter's (or EngeVs) Class or Demonstrating Microscope (Figs. 63 and 64) 398 



Wasserlein's Saceharometer Microscope (Fig. 65) 399 



Wenham's Universal Inclining and Beating Microscope 400 



JBriicke Lens 400 



Bausch and Lamb Handy Dissecting Microscope (Fig. 66) 400 



ExceUior Pocket and Dissecting Microscope (Fig. &1) .. .. 401 



Hartnack's Drawing Apparatus (His's Embryograph) (Fig. 68) 402 



Drawing from the Microscope .. .. 404 



TJlmer's Silk Thread Movement (F\gi. m-12^ 406 



Diaphragms for Limiting the Apertures of Objectives (Fig. Id) . , .. .. 407 



Correction-adjustment for Homogeneous-immersion Objectives 407 



Hitchcockh Modified Form of Vertical Illuminator 409 



Flesch's Finder (Figs. 7i and 75) 409 



Bumetfs Motating Live-Box 410 



Schklarewski's Hot-tcater Stage (Fig. 76) 411 



Abbe's Ckmdenser (Figs. 77 and 7S) 411 



Bausch and Lamb's Immersion Illuminator 412 



Bausch' s Paraboloid 412 



Browning's Simple Heliosfat (Fig. 7d) 413 



Hayem and NachePs Modified Easmatometer (Figs. 8Q-S2) 413 



Fasoldt'g Test-plate 415 



High Besolving-power 416 



Binocular Microscopes • •• •• 416 



Electric Light in Microscopy 418 



Definition of Natural and Artificial Directs 420 



Cole's '^Studies in Microscopical Science" 420 



Journal of the Postal Microscopical Society 421 



Colouring Liviruj Microscopical Organisms 425 



Mounting Histological Preparations wiUt. Carbolic Acid and Balsam .. .. 425 



Differentiaiing Motor and Sensory Nerves 425 



Preparing Nerve-fibrils of the Brain 426 



Cochineal Carmine-solution 426 



Polarized Light as an Addition to Staining 426 



Wicker sheimer's Preservative Liquid 427 



Preparing Hemoglobin Ckystals' 427 



Preserving Flowers 428 



Cleaning Diatoms •. 428 



Gaule's Method of Imbedding 428 



Williams' Freezing Microtome adapted for Use with Ether (Fig. 83) .. .. 430 



Swift and Son's improved Microtome (Figs. 841-87) 432 



Bausch and Lomb's Standard Self-Centering Turntable 434 • 



Crystallized Fruit Salt 435 



PnOCEBDlNGS OF THE SOCIEXY 439 



