INDEX. 
309 
N. 
New Books, with Short Notices : — 
Outlines of Practical Histology. By 
W. Rutherford, M.D., 287. 
Practical Hints on the Selection and 
Use of the Microscope. By John 
Phin, U.S.A., 287. 
O. 
Object-glass, on a New Form of. By 
M. Clement Thuet, 259. 
of Professor Hasert, 260. 
Powell and Lealand's |-th, 
207. 
Objectives of the Academy of Natural 
Sciences of Philadelphia, an Ameri- 
can View of the recently expressed 
Opinion as to, 82. 
Ouramoeba, Mr. Archer's Opinion of 
the American, 87. 
Ova, the Salmon, that were sent to 
New Zealand, 91. 
Ovule, the Minute Structui-e of the, 19. 
P. 
Packard, Mr. A. S., jun., on the Deve- 
lopment of the Nervous System in 
Limulus, 141. 
Petromyzon, the Spermatozoa of, 143. 
PiGOTT, Dr. Royston-, F.R.S., on the 
Identical Characters of Chromatic 
and Spherical Aberration, 232, 282. 
Placenta, Comparative Anatomy of the . 
By Professor Turner, 204. 
Potato Fungus, the Resting Spores of 
the. By Worthington G. Smith, 110. 
Powell and Lealand's New i inch, 207. 
Probe-Platte, the Number of Striae on 
the Diatoms on Moller's. By F. 
KlTTON, 45. 
Proceedings of Societies: — 
Adelaide Microscopical Club, South 
Australia, 103, 158, 224. 
Academy of Natural Sciences, Phila- 
delphia, 158. 
Fairmount Microscopical Society, 
Philadelphia, 220. 
Medical Microscopical Society, 41, 
305. 
Memphis Microscopical Society, 104, 
220. 
Quekett Microscopical Club, 42, 103, 
157, 219, 305. 
Reading Microscopical Society, 306. 
Royal Microscopical Society, 37, 264, 
303. 
San Francisco Microscopical Society, 
161, 221. 
Protozoan, the Nutrition of the, 92. 
R. 
Red Clay, the Origin of the, found by 
the ' Challenger,' 255. 
Reflex Illuminator, Notes on the Use 
of Mr. Wenham's. By Henry J. 
Slack, F.G.S., 5. 
Wenham's. By Mr. S. 
Wells, 30. 
Rhizopods, Observations on some Ma- 
rine. By Professor Leidy, 26. 
Rotifera, Dr. Hudson's Paper on the, 
255. 
S. 
Semper, Herr, on Trochosphgera sequa- 
torialis, a Spherical Rotifer found in 
the Philippine Islands, 237. 
Slack, Henry J., Notes on the Use of 
Mr. Wenham's Reflex Illuminator, 
5. 
on Perforating Proboscis 
Moths, 235. 
Smith, Worthington G., on the Rest- 
ing Spores of the Potato Fungus, 
110. 
Soiree, Microscopical, at the British 
Association, 207. 
SoRBY, H. C, F.R.S., on a New Method 
of Measuring the Position of the 
Bands in Spectra, 269. 
Spectra, on a New Method of Measuring 
the Position of the Bands in. By 
H. C. SoRBY, F.R.S., 269. 
Spermatozoa, Structure and Motion of 
the. By Dr. T. H. Finer, 25. 
Sphagnum Portoricense, 47. 
macrophyllum, 48. 
Spinal Chord as seen with the Polari- 
scope. By Dr. Webber, 291.*" 
Sponges, the Siliceo-fibrous, 143. 
Starch, the Examination of the Animal 
Tissues for, 292. 
Granule, the Character of the, 
18. 
Stephenson, J. W., Esq., on the Mea- 
surement of Angular Aperture, 3. 
Stewart, Charles, F.L.S., Notes on 
Bucephalus polymorphus, 1. 
T. 
Thin, Dr. G., on the Microscopic Ap- 
pearances in Inflammation of Con- 
nective Tissue, 19. 
on the Structure of Con- 
nective Tissue, 145. 
Thin Covering Glass, an Instrument 
for Cleaning. By W. W. Jones, 292. 
