INDEX. 
401 
Rhytisma acerinum, Fungus of the 
Maple, 265. 
Rivet-Leiser Microtome, Improvements 
in the, 145. 
Rod, Optic, in the Crustacea and An- 
nelida, 284. 
Root-fibres of British Polyzoa, Hooked 
Spines on the, 200. 
Rotatoria, a new Organ (?) of the, 188. 
, Infusoriii, &c., a Method of Pre- 
serving, with their Organs extended, 
189. 
Rotifers (Melicerta riiigens and Cono- 
chilus), further Notes on these, 176. 
Rover, a Microscopic Trap for a, 81. 
Royal Microscopical Society of the 
Sandwich Islands, 152. 
Society, the Conversazione of the, 
148. 
S. 
Sandwich Islands, the Royal Micro- 
scopical Society of, 152. 
Saprolegniese, Observations on, 349. 
Schmidt, Dr. H. D., the Structure of 
the Coloured Blood - corpuscles of 
Amphiuma tridactylum, the Frog, 
and Man, 57, 97. 
Schmidt’s Atlas der Diatomaceen- 
Kunde, 357. 
Schulze, Adolf, an Easy and Simple 
Method of Resolving the Finest-lined 
Balsamed Diatomaceous Tests by 
transmitted Lamplight, with special 
reference to Amphipleura pellucida, 
45. 
Schulze’s Mode of Intercepting the 
Germinal Matter of the Air, 206. 
Schwann’s (Professor) Jubilee, 208. 
Science of Microscopy, Is there a, 365. 
Scientific Evening, 162, 392. 
Sections, thin, of Objects of different 
consistency, the Preparation of, 274. 
Selection of Food, Apparent discrimina- 
tive power in the, by a Heliozoon, 
215. 
Septic Organism, the Life-History of a 
minute, 203. 
Septicity of Putrefied Blood, 279. 
“ Simple Device ” for the Illumination 
of Balsam- mounted Objects, on a, 
246. 
Slack, Henry J., On the Visibility and 
Optical Aspects of Hairs viewed from 
a Distance, 318. 
Slides and Cover-glasses, Cleaning, 295. 
, a “ New ” Box for Microscopic, 
201 . 
, Microscopical, of Lichens, 379. 
, a new Postal Box for, 201. 
Soire'oof the Chemical Society, the, 149. 
Sorby, II. C., the President’s Address, 1 . 
Spider, a Fossil, 26. 
VOL. I. 
Spiders, Digestive Apparatus of, 199. 
Spines, Hooked, on the Root-fibres of 
British Polyzoa, 200. 
Spirillum, Life-History of, 352. 
Splenic Disease, Bacteria as Parasites 
in, 87. 
Sponge, Haliphysema Tumanowiczii 
not a, 261. 
Sponges, Calcareous, a new Family of, 
209. 
, the Embryology of, 263. 
, the Structure and Development of, 
223. 
Spongida, Parasites of the, 288. 
Spongilla fiuviatilis, Variation in, 
299. 
Spore Nomenclature, 372. 
Stage, Hot, a new Form of, 191. 
Staining for the Central Nerve System, 
336. 
and Preparation of Bacteria, 
the, 268. 
, a new Double, 289. 
Material, Bismarck Brown as a, 
297. 
rapidly, a Method of, 150. 
Stephenson, John Ware, on a Large- 
angled Immersion Objective without 
Adjustment Collar, with some Ob- 
servations on “Numerical Aperture,” 
51. 
Note on the Effect produced 
on P. angulatum and other Test 
Objects by excluding the Central 
Dioptric Beam of Light, 186. 
Stewai-t, Cl;arles, on a new Coral, 
Stylaster stellulatus ; and Note on 
Tubipora musica, 41. 
Sting of the Honey Bee, the, 367. 
Stokes, Professor G. G., on the Question 
of a Theoretical Limit to the Apertures 
of Microscopic Objectives, 139. 
Stomata, part played by the, in the 
Exhalation and Inhalation of Aque- 
ous Vapours by the Leaves, 334. 
Stromatopora and its Allies, the minute 
Structure of, 285. 
as distinguished from Millepora, 
208. 
Stromatoporidm, the Microscopic Struc- 
ture of the, 219, 364. 
Structure of Blood-corpuscles, 364. 
and Development of Sponges, the, 
223. 
, Microscopic, of the Stromato- 
poridfe, the, 219. 
of the Brain in different Orders of 
Insects, the, 271. 
of the Coloured Blood-corpuscles 
of Amphiuma tridactylum, the Frog, 
and INIan, the, 57, 97. 
, the minute, of Stromatopora and 
its Allies, 285. 
2 F 
