VI 



PAGE. 



Correspondence — Continued. 



Microscopical exhibitions i6o 



Mosquitoes and their scales .... 20 



Mounting urinary deposits 39 



Peteratomus phasiolus 40 



Photo-micrography 40 



Pollen-tubes 100 



Pseudo-cyclosis 219 



Spongella ; 40 



Styrax for mounting 120,219 



Various subjects ........... 59 



Volvox globator 139 



White zinc cement 39 



Cothurnia bipartita, n. s ...... . 126 



plectostyla, n. s . . .' .125 



Cox, J. D., diatoms of the Gulf . . . . 145 



the actinic and visual focus in 



photo-micrography with high 



powers 193 



Culture media for bacteria 55 



Culture-tubes for micro-organisms . . i 



Dexiotricha cctt/ralts. n. s 184 



Diatomacese, Schmidt's atlas of . . . 200 

 Diatoms of the Gulf, J. D. Cox . . . 145 



and how to collect them 230 



fixing arranged 233 



— — striae of, on test-plate 234 



structure of 53 



Difflugia globulosus, copulation of . . 15 



Disinfection, science of 207 



Disease, on the precise relations of 

 micro-organisms to, and the 



sgience of disinfection 207 



Durand, W. F. , a practical method of 

 finding »the optical centre of an 

 objective, and its focal length . 141 



Eggs of house-fly 17 



Electric spark under microscope . . . 138 

 Embedding in bayberry tallow .... 98 



Entomologia Atnericana 200 



Epidemics, and National Board of 



Health 79 



Ewell, M. D., measurement of blood 



corpuscles 150 



Exhibitions, microscopical . . 77, 158, 160 

 Exhibits, microscopical, atN. Orleans 



Exposition, L.W. Chaney, Jr . 102 

 Eye-piece micrometers, H. L. Tol- 



man 115 



Fasoldt's detaching nose-piece .... 149 



Fibres, method of analysis 47 



Fibres, vegetable, the study of ... . 22 

 Flint, J. M., rotary object carrier . . . 204 

 Focal length of objective, finding . . 141 



Germicides and antiseptics 114 



Germination of seeds, bacteria neces- 

 sary for 78 



Gowen, F. H., improved microtome . 156 

 Gray, Edward, orthocarpus purpu- 



rascens 105 



Growing slide, E- L. Cheeseman . . 53 

 Gum, production on fruit trees .... 200 



Hedvjigia 138 



Hitchcock, R., optical arrangements 



for photo-micrography 168 



PAGE. 



Hitchcock, R., photo-micrography 201, 221 



the red snow 221 



Illumination, dark-ground ...... 20 



electric 42, 96 



Illuminator, Abbe, Grunow's form . . 183 



Iris, R. II. Ward 14 



Immersion fluid, improved 218 



Infusoria, notices of new fresh-water. 



A. C. Stokes 121, 183 



Infusoria, revivification of 25 



Intra-cellular digestion, abstract from 

 an article on, by Dr. E. Metsch- 



nikofF. H. G. Beyer 61 



Journal, a new 34 



of Microscopy 219 



Journal for 1886 237 



yournal of Mycology 37 



Kansas City Review 218 



Kellicott, D. S., Opercularia con- 



stricfa, n. s 121 



Killing infusoria with cocaine .... 178 



Kruttschnitt, J., pollen tubes 74 



Lacrymaria veriens, n. s 124 



Lagyfius lasius, n. s 125 



Lathrop, James C 137 



Lockwood, S., pseudo-cyclosis .... 46 

 Magnifying power of an inch objec- 

 tive 203 



Mallomonas lifomesum, n. s 124 



Meetings, scientific 134 



Meteoric dust 59 



Meteorites, microscopic 16 



Microbe of mumps 99 



Microbes in daphnia 58 



Micrococcus of swine-plague 20 



Micrometer, stage 38 



■ cobweb 239 



Microscope, Mcintosh Galvanic Com- 

 pany's 104 



New Star 229 



— — of past and present 119 



j3encil-case 200 



portable 59 



recent progress — the improve- 

 ment of the 136 



Microscopes, old forms desired .... 159 



Microscopic meteorites 16 



Microscopical exhibitions 77 



Microscopical societies 76, 95 



and microscopy, W. H. Seaman, 87 



Microtome, Bausch & Lomb 205 



Bulloch's combination 45 



improved, F. H. Gowen 156 



Monoculars vs. binoculars 98 



Monosiga obovata, n. s 8 



Mosquitoes and their scales 20 



Mounting, device for pressing down 



covers 60 



in balsam of tolu 178 



insect-eggs 17 



media of high refractive index, 



H. L. Smith 161 



media, new 217 



=- medium, new, of H. L. Smith, . 182 



medium, phosphorus 6 



