176 THE MICROSCOPE. 



" THE MICROSCOPE. 



Contents for November, 1893. 



Objects Seen Under the Microscope. 3. — Nature's Jewels (Diatoms.) 



(Photo-Micrograph) 161 



A Metric Study of 2,000 Check Signatures, by Dr. M. D. Ewell 162 



An Aqueous Solution of Hematoxylin Which Does Not Readily Deter- 

 iorate, by S. H. Gage 164 



Sectioning Fern Prothallia and Other Delicate Objects, by M. B. Thomas 167 



Society of American Botanists 168 



Editorial. — W. Watson and Sons' Catalogues of Microscopes and Mi- 

 croscopic Objects 169 



A New Book on Diatoms Proposed 170 



Questions Answered. — Nos. 172-174, by Dr. S. G. Shanks 170 



172. The Used of a Mordant in Bacteriology 170 



173. Homogeneous and Oil Immersion Objectives 171 



174. Aniline Water and Aniline Oil 171 



Practical Suggestions. — by L. A. Willson 171 



Collar Correction of Objectives 171 



Ring-Worm. Grape Mould. Ragweed... 172 



Tomato Fungus — Black Rot 173 



White Rust 173 



s.ience Gossip.— Milk. Pixol. Flagella 173 



Our Own Birds. Vienna. Banknotes 174 



TheG. W. A. Mixture 174 



Triassic Diatoniacese 174 



Deane's Medium 174 



Recent Publications. — Text Book of Normal Histology : Piersol... 174 



The Psychic Factors of Civilization : Ward 175 



THE MICROSCOPICAL JOURNAL. 



Contents for October, 1893. 



Aberrant Forms in Cultivated Diatoms, by Dr. Samuel Lockwood. 



(Illustrated.) 269 



A New Method of Preserving and Mounting Specimens, by A. Haly 274 



On Microscopical Drawing and Painting. — I, by Arthur C. Cole 276 



The Meeting at Madison, Wisconsin 279 



Observations on Amoeba and Stentor, by James H. Logan. (Illustrated.) 281 

 A Preliminarv List of the Microscopic Animals Found in the Ridge- 

 wood Water-Supply, by Smith Ely Jelliffe, M. D... 289 



Notes. — The Gwa Mixture. — Triassic Diatornacese. — Deane's Medium. 



Bubbles in Media... 290 



Editorial. — Deep-Sea Diatoniaceae.. 291 



Letters to the Editor. — Strasburger's Botany. — Proboscis of the 



Blow-fly 292 



Microscopical Apparatus. — An Injecting Apparatus 293 



Microscopical Manipulation. — A Method of Staining Conuective 



Tissue , 294 



Bacteriology. — Examination of Sputum lor Tubercle Bacilli : Bie- 



dert's Method 295 



Microscopical Societies. — Washington, D. C, Microscopical Society 296 

 New Publications. — Analytical Keys to the Fresh Water Algae and 



the Desrnidise of the United States, by Dr. Alfred C. Stokes 297 



An Introduction to the Study of the Diatoniaceae, by F. W. Mills 297 



The Microscope and Microscopical Methods, by Prof. S. H. Gage. 298 



