THE MICROSCOPE. 



Contents for February, 1896. 



The Spoiling of Fermented Drinks. Deros. (Illustrated.) 17 



Fermentation of Bread. Golden 21 



Questions Answered. S. G. Shanks 27 



234 To make Infusion 27 



235 Successor of N. L. Smith 27 



236 Work on Preparing and Mounting 27 



Practical Suggestions. L. A. Willsou. 



Magnification 28 



The Microscope in Chemistry 29 



Some Points on Crystal Slides 29 



SCIENCK-GOSSIP. 



The Micro-Organism of Measles 29 



Recent Publications. 



Lessons in Elementany Botany for Secondary Schools. Macbride. 30 

 Elements of Botany. Bergen 30 



THE MICROSCOPICAL JOURNAL. 



Contents for Feburary, 1896. 



Professor Alfred Clifford Mercer. (With Frontispiece.) 41 



Cicada Septendecim, its Mouth Parts and Terminal Armor. J. D. Hyatt. 



(Illustrated.) 45 



Fossil Marine Bacillariiceaj on Long Island, N. Y. Edwards 52 



Kadiolaria : A iSew Species from Barbados. Carter. (Illustrated.) 57 



Radiolaria: A New Species from Barbados. Sutton. (Illustrated.). 58 



Radiolaria : A New Genius from Barbados. Sutton. (Illustrated.) 61 



A New Method of Making and Finishing Wax-Cells. Pflaum 63 



Editorial. 



A Monument Proposed to Robert B. Tolles 64 



Microscopical Apparatus. 



W. Watson & Sons' New " Parachromatic " Substage Condenser. 66 



Aplanatic Magnifiers 66 



Biological Notes. 



Objections to the Cell Theory 66 



The Microscopic Examination of Opium 68 



Bacteriology. 



Ripening of Cheese 68 



Growth of Bacteria at Low Temperature 69 



Antitoxin Treatment 69 



Medical Microscopy. 



The Microscopic Diagnosis of Diphtheria by a New Staining Method 69 

 Microscopical Societies, 



Quekett Microscopical Club 71 



Letters to tue Editor. 



The Robert B. Tolles Monument 72 



