400 
INDEX. 
Oil-immersion Objective, the 375. 
, Zeiss’s new 370. 
Oleomargarine, 378. 
Onchopora hirsiita, 372. 
Oj)ercnlated Infusorian from New Zea- 
land, on a new, 49. 
Optical Constants of Glass, Influence 
of Temperature on, 283. 
Optic Eod in the Crustacea and Anne- 
lida, 284. 
Organisms suspended in the Atmo- 
sphere, 192. 
Orthonectida, on the, 23. 
Osborne, Lord S. G. (see Bedwell, F. A., 
170). 
Osmic Acid, 264. 
Ostracode Crustacean of a new Genus 
(Acanthopus), 80. 
Owen, Professor, on the Fossils called 
“ Granicones,” being a Contribution 
to the Histology of the Exo-skeleton 
in “ Eeptilia,” 233. 
P. 
Paraboloids, Immersion, 192. 
Parasite of Vaucdieria, Notommata 
Werneckii, 296. 
Parasites, Bacteria as, in Splenic 
Disease, 87. 
of the Spongida, 288. 
on a Diatom, 281. 
Particles, IMicroscopic, suspended in 
Liquids, the Movement of, 146, 272. 
Patent Microscope, the “Zentmayer” 
new, 197. 
Penetration, 86. 
Petit, M. P., on some new Genera and 
Species of Diatomacem, 237. 
Photographing, Examining, and Pre- 
serving Bacteria, on, 195. 
Photographs, Microscope, the Projec- 
tion of, 294. 
Photo-micrograpliy, Oblique Light for, 
213. 
Physiology of the Contractile Vacuoles 
of the Infusoria, 257. 
, Vegetable, Borax in, 299. 
Picro-aniline Solution, new Process of 
Colouring Microscopic Preparations 
with a, 82. 
Planaria, Preservation of, 256. 
P. angnlatnm, Effect produced on, by 
excluding the Central Dioptric Beam 
of Light, 186. 
Polariscope for Convergent Light, the 
Ordinary Microscope as a, 207, 292. 
Polarizing Microscope in Mineralogy, 
the, 209. 
Polycystina and Foraminifera of the 
Norih Polar Expedition of 1875-76, 
194. 
Polyzoa, Hooked Spines on the Root- 
fibres of Britisli, 200. 
Postal Box for Slides, a new, 201. 
Powers, High, the Binocular with, 221. 
Prei)aration and Staining of Bacteria, 
the, 268. 
of thin Sections of Objects of dif- 
ferent consistencjq the, 274. 
Preparations of Infusoria, &c., 221. 
, Microscopic, new Process of 
Colouring, with a Picro-aniline So- 
lution, 82. 
Preservation of Planaria, 256. 
Preserving, Examining, and Photo- 
graphing Bacteria, on, 195. 
the Rotatoria, Infusoria, &c., with 
their Organs extended, a Method of, 
189. 
President’s Address, the, 1. 
Prism, Immersion, 309. 
Probosces, Perforating, of Moths, 307. 
Proceedings of the Society, 30, 33, 36, 
93, 95, 159, 162, 164, 307, 388, 392. 
Projection of Microscope Photographs, 
294. 
Protozoa, the Flagellate, a new Field 
for the Microscoiflst, 151. 
Puccinia, 26. 
Putrefaction, the Germ Hypothesis of, 
373. 
Putrefied Blood, the Septicity of, 279. 
Pygidium of Insects, 379. 
Q. 
Quekett Microscopical Club, 208. 
R. 
Radiolaria, the, 210. 
Radiolarians and Diatomaceae, on the 
supposed, of the Coal-measures, 255. 
Raphidiophiys pallida, 379. 
Refraction, Double, the Microscope 
applied to the Phenomena of, 276. 
Report, Annual, of the Society, 39. 
Repose and Motion, the Influence of, in 
tlie Phenomena of Life, 345. 
Reproduction of Hydra, the, 267. 
, the Gemmiparons and Fissipar- 
ous, of the Noctiluca), 331. 
Reptile, Fossil (Megalosaurus Buck- 
landii), Bone of, 35. 
Eeptilia, a Contribution to the Histo- 
logy of the Exo-skeleton in the, 233. 
Resolving Test Objects, Apparatus for, 
201 . 
the Finest -lined Balsamed Dia- 
tomaceous Tests, Method of, 45. 
Revival and Desiccation, Diatom, 26. 
Revivification of Diatoms, the. 150, 311, 
374. 
Rhizopod, the Birth of a, 213. 
Rhizopoda of the Salt Lake of Szamos- 
falva, 148, 
, Terricolous, 202. 
Rhizopods in an Apple-tree, 80. 
