( 4 ) 



Summary op Ctjerbnt Eesbarohes, &c. — continued. 



PAGE 



Structure and Development of certain Spores 93 



Alkaloids and other Substances extracted from Fungi 94 



Developmemt of Ascomyoetes ., .. 94 



Conidici of Peronosipora 95 



Pleospora herbarum .. .. .. 95 



Chytridiacese • •• •• - .. 96 



Phoma Gentianas, a new Parasitic Fungus 96 



Chrysomyxa albida .. .. 96 



Physoderma 97 



Bacilli of Tubercle .^ • • . . 98 



Microbia of Marine Fish 98 



Physiology and Morphology of Alcoholic Ferments 98 



Alcoholic Ferments 99 



Magnin's ^ Bacteria' .. • • .. •• 99 



Cephalodia of Lichens .. •• .. 100 



Lichensfrom the Philippines .. 101 



Protoplasmic Continuity in the Floridem 101 



Distribution of Algie in the Bay of Naples ^ 102 



Algse of Bohemia .. .. .. .. 102 



Fossil Alga .. .. .. .. .. .. •• •• •• •■ • .. 102 



New Genera of Algai 102 



Polymorphism of the Phycochromacem 105 



Jteproduction of Ulva . . . . 105 



Belationship between Cladophora and Bhizoclonium 106 



Classification of Confervoidex .. ... 106 



Action of Tannin on Fresh-water Algse .. .. .. 106 



New Species of Bulbocha&te ., • 107 



New Genus of Oscillariess . . 107 



Vaucherim of Montevideo . . . . 1 07 



Gongrosira 107 



Phyllosiphon Arisari .. .. .. _ 108 



Occurrence of Crystals of Gypsum in the Desmidiese 108 



MiOKOSCOPY. 



" Giant Electric Microscope" .. .. 109 



Aylward's Boiating and Swinging Tail-piece Microscope (Fig. 8) .. .. 110 



McLaren's Microscope with Botating Foot (Fig. 9) Ill 



Schieck's Bevolver School and Drawing-room Microscope. — Winter's and 



Harris's Bevolver Microscopes (Figs, 10 A and b) 112 



Winkel' s Large Drawing Apparatus (Fig. 12) 115 



Jung's New Drawing Apparatus (Embryograph) for Low Poivers (Figs. 13 



and 14) 116 



Zeiss' s Micrometer Eye-piece (Fig. 15) % .. .. 118 



Bulloch's Objective Attachment (Figa. 16 Sind 17) ,. 118 



Abbe's Camera Lucida (Fig. 18) .. 119 



Millar's Multiple Stage-plate (Fig. 19) 120 



Stewart's Safety Stage-plate (Fig. 20) .. .. 120 



Parsons' Current-Slide (Fig3. 21 and 22) .. ., 121 



Stokes's Growing-cell (Fig. 23) 122 



Nunn's Pillar and other Sl(des 123 



Beck's Condenser with tuK) Diaphragm-plates (Fig. 2-1) 124 



Nelson's Microscope Lamp (Fig. 25) ,. 125 



Developing Photo-micrographs 126 



Action of a Diamond in Buling Lines upon Glass 126 



Test- Diatoms in Phosphorus and Moiiobromide of Naphthaline 138 



Microscopic Test-Objects (Fig. 26) 139 



Besolution of Amphipleura pellucida by Central Light 143 



Mounting and Photographing Sections of Central Nervous System of 



Beptiles and Batrachians 149 



Preparing Spermatozoa of the Newt 150 



Killing Hydroid Zoophytes and Polyzoa icith the Tentacles extended .. 151 



Mounting Pollen as an Opague Object I.'i2 



Mounting Fluid for Algas ,,. 153 



Mounting Diatoms in Series 153 



Begistering Micrometer-screw to the Thoma Microtome (Fig. 27).. .. .. 153 



Proceedings op the Society .. 161 



