402 
INDEX. 
Stylaster stellulatus, on a new Coral, 
41. 
Sugar, tlie Inversion of, by Fungi, 24. 
Szaiuosfalva, on the Kliizopoda of the 
Salt Lake of, 148. 
T. 
Temperature, Influence of, on the 
Optical Constants of Glass, 283. 
, very low. Action of, on Bacteria, 
25. 
Tentacles in Hydra, Mode of Develop- 
ment of the, 283. 
Terricolous Khizopoda, 202. 
Terebella, Embryo of, Wartelia wrongly 
considered as the, 355. 
Termination of tlie Nerves in the 
Striated Muscles, the, 348. 
Tests, the Finest-lined Balsamed Dia- 
tomaceous. Method of Resolving, 45. 
Test Object for Histologists, 148. 
Objects, Apparatus for Resolving, 
201 . 
, Effect produced on P. 
angulatum and other, by excluding 
the Central Dioptric Beam of Light, 
186. 
Thermal Death Point of a minute 
Septic Organism, Experiments made 
to determine its, 203. 
Thin Covering Glass, 298. 
Sections of Objects of different 
consistency, the Preparation of, 274. 
Tolies’ jt Objective, on the Results of a 
Computation relating to, 142. 
Toxic Matter connected with Typhoid 
and other Enteric Diseases, on the 
Detection of, 33. 
“Transporter” of Professor Monnier, 
the, 265. 
Trap, Microscopic, for a Rover, 81. 
Trembley’s Experiments on turning a 
Hydra inside out, 249. 
Tricliina, searching for, 26. 
Trichodonopsis paradoxa, 361. 
Tubipora musica, Note on, 41. 
Turbellaria and Echinodermata, a new 
Class of Animals parasitic on, on the 
Orthonectida, 23. 
Typhoid and other Enteric Diseases, 
Toxic Matter connected with, on the 
Detection of, 33. 
U. 
“ Ultimate Limit of Vision,” 169, 337. 
Unit of Micrometry, 254, 310, 353. 
, the proposed Micro-Metric, 353. 
V. 
Vacuoles, the Contractile, of the In- 
fusoria, Physiology of the, 259. 
Vaucheria, a Parasite of Notommata 
Werneckii, 296. 
Vegetable Pliysiology, Borax in, 299. 
Vernier applied to the Microscope, 299. 
Vibrion, new Aerobic, 292. 
Visibility and Optical Aspects of Hairs 
viewed from a Distance, on the, 318. 
Vision, Ultimate Limit of, 169, 337. 
, Microscopic Limits of, 379. 
W. 
Ward, F. H., Improvements in the 
Micro-spectroscope, 326. 
Wartelia, a new genus of Annelida, 
355. 
Water-lens Microscope, a, 223. 
Water, Focussing under. Protecting 
Cap for, 283. 
Wenham, F. H., on the Measurement 
of the Angle of Aperture of Objec- 
tives, 321. 
White of Egg as an Imbedding Sub- 
stance, 258. 
Woodward, J. J., Lieut.-Col., Further 
Remarks on a “ Simple Device ” for 
the Illumination of Balsam-mounted 
Objeets for Examination with Im- 
mersion Objectives whose Balsam 
Angle is 90° or upwards, 246. 
Worms, the Hepatic Organ in the, on 
a rare Form of, 366. 
Z. 
Zeiss, Carl, Description of Professor 
Abbe’s Apertometer, with Instruc- 
tions for its use, 19. 
Zeiss’s new Oil-immersion Objec- 
tive, 370. 
“ Zentmayer ” new Patent Microscope, 
the, 197. 
Zoospores, Antherozoids, &c.. Liberation 
of the, in the Lower Plants, 342. 
END OF VOLUME I. 
LONDON : PRINTED BY WILLIAM CLOWES AND SONS, STAMFORD STREET AND CHARING CROSS. 
