INDEX, 



PAGE. 



Sozodont Tooth-powder 158 



Spaulding, J. The Bee's Tongue 146 



Spencer, Charles A 193 



Spinal Cord in the Frog, Functions of 



the. E. A. Birge 210 



Sponge, Artificial Propagation of 218 



Sponge, The Boring 1^6 



Sponges, Fresh-water 16 



Spores, Aerial 15' 



Staining Spirogyra 158 



Stands, About. C. Stodder 213 



Stands, Microscope 217 



Starches '• 200 



Starches, Mounting 119 



Stodder, C. About Stands 213 



Stodder, C. Diatoms in situ 98 



Stephenson, J. W. Riddell's Binoculars. 29 

 Sternberg, G. M. Bacillus Anthracis... 148 

 Sternberg, G. M. Motion of Diatoms... 227 

 Sternberg, G. M. Photographing Bac- 

 teria , 68 



Teeth, of Sargodon Tomicus 59 



Test-objects 59 



Test-plate 1"9 



The Microscope 13^, 216 



The Use of Deep Eye-pieces 196 



Tintinnus, Is it ? C. M. Vorce. ... 228 



Tongue of Bee and Glands Connected 



with it. J. Spaulding 146 



Trichiniasis, Cases of 59 



Trichinae in Lard 74 



Trichinge in Relation to Public Health. 



Illustrated 41 



Turn-tables 179 



PAGE. 



Varnish, Copal for Mounting 25 



Vision with Compound Microscope, 



Physics of 72 



Vivarium, A New 157 



Vorce, C. M. Destruction of Acari 



by a Fungus 166 



Vorce. C. M. Detection of Adultera- 

 tion in Food. Illustrated.. 1, 14, 122, 161 



Vorce, C. M. Is it Tintinnus ? 223 



Walsh's Retrospect 119 



Ward, Dr. R. H. Examination of 



Blood , 69 



Water, Algas in Drinking 15 



Water-bears ^289 



Water, Croton, in August 156 



Water-supply, Boston 236 



Wax-cells ••..• 49 



Wax, Note on Use of in Dry-mounting. 



W. A. Rogers 190 



Webb, S. A. How to Procure and 



Mount Raphides 71, 



Wight, W. H. Growing Slides 23 



Woodward, A. L. Achromatic Illumi- 

 nation for Low Powers 210 



Woodward, A. L. Bleaching and Wash- 

 ing Sections , ■ • 8 



Woodward, J. J. Accident to 39 



Woodward, J. J. Photographs of Pseu- 



dopolypi 158 



Woodward, J. J. Supplementary Note 



on Riddell's Binocular Microscopes.... 29 

 Working-distance and its Relations to 

 Focal Length and Aperture. Ernst 



Gundlach. Illustrated 32 



Zeitschrift fiir Instrumentetikutide 34 



