THE MICROSCOPICAL JOURNAL 



Contents for July, 1894. 



Studies in the Biology of the Diatoms. — Cunningham 193 



Microscopical Technique Applied to Histology. — IV 208 



Some New or Little Known Diatoms. — Cleve 214 



Editorial. — Review of Microscopical Books 215 



Microscopical Apparatus.— Instantaneous Photographs 216 



A Clinical Device 216 



A Cell of Glass and Celluloid 216 



The Jena Glasses 217 



Erector for a Microscope 217 



Microscopical Manipulation.— Soldering Glass to Metal 217 



Formaldehyne for Hardening 218 



Writing on Glass 218 



MEDICAL Microscopy.— Blood of Melancholia 218 



Flies carry Contagion 219 



Anatomy of the Human Nasal Cavities 2i9 



Microscope in Anchylostomiasis 220 



BACTERIOLOGY 221 



Removal of Pathogenic Bacteria from Drinking Water 221 



Biological Notes.— Staining Living Cells 222 



Diatoms. — To fasten Arranged Diatoms 222 



Microscopical Societies.— Washington, D. C 223 



Microscopical Notes. — Vaccination 224 



Gallic and Tannic Acid Tests 224 



THE MICROSCOPE. 



Contents for July, 1894. 



Objects Seen Under the Microscope. XIV. — Some New Desmids (lUas- 



trated) 97 



The Microscope in the Dairy, by Prof. H. W. Conn 98 



How I Got Tourmaline for my Microscope, by Hans M. Wilder 104 



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



Constitution of the Ottnmwa Microscopical Society 105 



Editorial. — Micro-organisms in Water 106 



Opium 106 



Questions Answered. — By S. G. Shanks, M. D 107 



194. A Linen-prover 107 



195. A Lucernal Microscope 107 



196. Swift, Crouch or Beck. Which? 107 



197. Grinding Rock Sections 108 



198. Separating Foramenifera 108 



199. Standard Tube-length 108 



200. Publications upon Rhizopoda 109 



Practical Suggestions. — By L. A. Willson 109 



How to Examine Pollen 109 



Staining and Mounting Pollen 109 



Paste Eels 110 



Correspondence. — To Begin With 110 



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

 copy 110 



Biology of Ferns by the Collodion Method. Atkinson Ill 



