Index. 



PAGE. 



Meadow Rust 326 



Measurements, On the Probable 

 Error of Micrometric. Edward 

 W. Morley 93 



Measures of Length, Two Forms 

 Comparators for. W. A. Rogers. 208 



Measures of Length, Standard. 

 W. A. Rogers 97 



Melampsora Salicina 326 



Meningitis, Tubercular, A Typi- 

 cal Case of. I. N. Danforth. . 180 



Mesocarpese, On the Spore-For- 

 mation of the. V. B. Wittrock. 43 



Micrometer, A New 74 



Micrometry 235 



Micrometrj', National Committee 

 on 321 



Microscope, Laboratory' 323 



Microscopes at the Paris Exposi- 

 tion 75 



Microscopic Vision 155 



Microscopical Congress, National 6t 



Microscopical Societies, 166, 167 



24S, 326 



Microscopy, Is there a Science 

 of? 58 



Morley, Edward W., On the 

 Probable Error of Micrometric 

 Measurements 93 



Mounting Animal Tissues. Carl 

 Seller 131, 220 



Mounting Insects without Pres- 

 sure 74 



Micrometer, A Standard. R. 

 Hitchcock 47 



Mineralog}', Application of the 

 Microscope to the Study of . . . . 79 



Mucorines 245 



National Microscopical Congress. 61 

 Nucleus in Blood-Coipuscles. . . . 238 



Oleomargarine and Butter. Thos. 

 Taylor 294 



Oil Immersion of C. Zeiss Com- 

 pared with the Objectives of C. 

 A. Spencer & Sons, The. H. 

 L. Smith 28 



Ophioglossum, Structure of. M. 

 Harrington 191 



Orbatidae, British 322 



Paraboloid, The Formation of the, 

 as an Illuminator for the Micro- 

 scope. F. H. Wenham 186 



Paris Exposition 162 



Phthanites, Researches on 325 



Picrocarmine, Application to the 



Study of Intestinal Worms. ... 78 

 Podura Scale, Beading on 70 



PAGE. 



Pollen, A Shower of 237 



Poly-Microscope 69 



Preparations, Microscopical 323 



Preparing and Mounting Animal 



Tissues, Practical Hints on. 



Carl Seller 131,220 



Presersation of Infusoria 162 



Presenative for Planaria 159 



Protococcus Lugubris 241 



Publications Received. . .52, 16S, 256 



Reproduction of Ulothrix 241 



Retina, Intimate Structure of, in 



Birds 75 



Rhizopods, New. W. S. Barnard. S3 

 Rhizopods, Synon}'ms and New 



Species of 164 



Rogers, \V. A., Standard Meas- 

 ures of Length 97 



Rogers, W. A., Two Forms of 

 Comparators for Measures of 

 Length 208 



Salutatory 55 



Saprolegniese, Obsenations on 

 Several Forms of . F. B. Hine. 18, 136 



Science News 166 



Seaman, W. H., The Microscop- 

 ical Examination of Fibers. ... 32 

 Seiler, Carl, Pratical Hints on 

 Preparing and Mounting Ani- 

 mal Tissues 131, 220 



Sensor)' Structures of Young Dog- 



Fishes, On some. S. A. Forbes. 257 

 Septic Organism, Life Histor)' 



of a 80 



Silk Worm, Development Histor}' 



of '. 325 



Silliman, J- -^L, A Shower of 



Pollen 237 



Smith, H. L., A Few Remarks 

 on Angular Aperture, and De- 

 scription of a Universal Aper- 



tometer 194 



Smith, H. L., Description of New 



Species of Diatoms 12 



Smith, H. L., Notes on Dr. Abbe's 



Letter 239 



.Smith, H. L. , The Oil Immersion 

 of C. Zeiss, Compared with the 

 Objectives of C. A. Spencer & 



Sons 28 



Soap, Pedetic Action of 70 



Spermatogenesis, Researches on. 245 



Spermatozoids of Bull-Frog 323 



Sponge, New Species of 164 



Spongilla Fluviatilis, Variation 



in : 74 



Spores, with a Spore Glossan,'. C. 

 L. Anderson 260 



