Monthly Microscopical 
Journal, Dec. 1, 1870. 
Sponges, the New, 316. 
Spontaneous Generation : Is there such 
a thing? 227. 
Defended, 231. 
—,a few Remarks on Dr. Bas- 
tian’s Papers on. By MeErTcALre 
Jounson, M.R.C.S.E., 268. 
Stage, BLuankiey’s Universal Revolv- 
ing, 112. 
SrepHenson, J. W., on an Erecting 
Binocular Microscope, 61. 
SroppER, CHARLES, on American Micro- 
scopes and their Merits, 277. 
on the Presence of Microscopic 
Bodies in Water, 318. 
Stomach, the Mucous and Peptic Glands 
of. By Dr. Exsrern, 45. 
Strobilus, a New Form of Calamitean. 
By Prof. Winu1amson, 47. 
Stylopide, Pedogenesis in the. By 
Prof. Von Srepoxp, 235. 
Syncheta Mordax. By C. T. Hupson, 
LL.D., 26. 
Ate 
Tatem, J. G., Notes on New Infusoria, 
313. 
Thysanuradez, on a Mode of Ascertain- 
ing the Structure of the Scales of. 
By Joseru Becx, F.R.MLS., &e., 252. 
Tiger, on a New Species of Parasite on 
the. By Grauam Penton, F.ZS., 
147. 
Torpedo, Distribution of Nerves in 
Electric Organ of, 316. 
Tunicates, the Anatomy of. 
M. Jones, 41. 
By Mr. J. 
U. 
Uterus, the Fibres of the Pregnant. 
By Mr. H. Brencarietp, 43. 
INDEX. 
341 
V. 
Varuuant, M. Leon, on the Structure 
of Pontobdella verrucata, 45. 
Vivisection, the Performance of, 226. 
Wr. 
Waters’, Mr., New American 
Object-glasses, 49. 
Water-Fleas of the Ostracodous and 
Phyllopodous Tribes. By Prof. T. 
R. Jonss, F.G.S., 184. 
Water, Presence of Microscopic Bodies 
in. By Mr. C. Sropper, 318. 
Wenuam, F. H., on Object-glasses and 
their Definition, 18, 124. 
White Blood Cells: Are the Pus-cor- 
puscles derived from the? 107. 
Witiramson, Professor, on a New Form 
of Calamitean Strobilus, 47. 
Wiis, A. W., On the Formation of 
Microscopie Crystals in Closed Cells, 
215. 
Wood, Structure of, from the Cairo 
Petrified Forest. By Mr. CARRUTHERS, 
105. 
Woopwarp, Lieut.-Colonel, on the 
Histology of Minute Blood-vessels, 
205. 
, Colonel J. J., Further Remarks 
on the Oxy-caleium Light, as Applied 
to Photo-micrography, 64. 
ath 
Z. 
ZENTMAYER, Mr. J., on a New Me- 
chanical Finger for the Microscope, 
160. 
END OF VOLUME IV. 
LONDON: PRINTED BY W. CLOWES AND SONS, STAMFORD STREET AND CHARING CROSS, 
