THE MICROSCOPICAL JOURNAL. 



Contents for June, 1894. 



studies of the Histology of Various Mammalian Tissues. — III, by 



Henry L. Osborn 161 



How to Find Diatomaceous Earth, by Wm. A. Terry 168 



Chemical Analyses of the So-Called Infusorial Earths, by Arthur M. 



Edwards, M. D ! 171 



To Mount Certain Salts, by No Sig 175 



Scheme for Imbedding, Sectioning, Staining and Mounting, by W. S. 



Miller 177 



Is the Paraffin Imbedding Method Better Than the Celloidin, by Philip 



Jaisohn, M. D 179 



Editorial. — Spoiling Lenses 182 



Czapski's Theory of Optical Instruments 182 



The Beaver Creek Meteorite 183 



Microscopical Apparatus. — King's Glycerine Jelly 183 



A Modified Microscope 184 



Increasing Angular Aperture 185 



A Cheap Instrument 185 



Microscopical Manipulation. — Snowflake Pictures 187 



Aniline Stains 187 



Ringing Mounts 187 



Bleaching Animals and Sections Fixed With Osmic Mixture 187 



Medical Microscopy. — Leprosy 188 



A Typhoid Epidemic in Buffalo 189 



Gonorrheal Infection 189 



Toxins 189 



Health Conference 189 



Bacteriology. — Tuberculosis Culture Medium 190 



Biological Notes. — Living Nerve-Cell During Stimulation 190 



Diatoms. — Washing Diatoms 190 



Necrology. — Dr. N. L. Mallory 190 



Dr. Corydon L. Ford 191 



Microscopical Societies. — Ottumwa Microscopical Society 191 



Quecket Microscopical Club 191 



Birmingham Natural History and Philosophical Society 191 



Sheffield (England) Microscopical Society 192 



New Publications. — The Psychic Life of Micro-Organisms 192 



Leitneria Floridana 192 



THE MICROSCOPE. 



Contents for June, 1894. 



Objects Seen Under the Microscope. XIII.— Section of Stem of Spruce. 



(Illustrated) 81 



Bacteriological Work in Medical Science, by J. Christian Bay 82 



Protococcus and How to Mount them, by Arthur M. Edwards, M. D.... 85 



Models for Constitution and By-Laws of a Microscopical Society. — IV.... 89 



Our Instrument in the Study of Natural History 91 



Centrifugation 91 



Editorial. — The Antwerp Exhibition 92 



Aluminium 92 



A New Biological Microscope 92 



Questions Answered.— No. 192-193, by Dr. S. G. Shanks 93 



192. SpotLens 93 



193. Specimen Slides for the Microscope 93 



Practical Suggestions. — by L. A. Willson 93 



Foramenifera 93 



Circulation of Blood in a Lizard and a Tadpole 94 



An Easy Method of Examining Lichens 94 



Recent Publications.— The Journal of Marine Zoology and Micros- 

 copy 95 



