270 INDEX TO 
Plagiogramma, a new genus of Diato- 
macez, Dr. R. K. Greville on, 207. 
Pleurosigma, 180. 
Plumularis similis, 131. 
Podosira levis, 85. 
Polyzoa, Australian, 143. 
ep Madeiran, on some collected 
by Mr. J. Y. Johnson, 65. 
Preparing and mounting of hard tissues, 
a method of, 258. 
Prescott, H. P., Tobacco and 
Adulterations, review of, 251. 
its 
R. 
Rainey, Geo., On the Structure and 
mode of Formation of the dental 
tissues, 212. 
re On the mode of Formation 
of Shells of animals, of Bone, and of 
several other structures, by a process 
of molecular coalescence, &c., review 
of, 109. 
Rhabdonema, 180. 
Rhizosolenia, 13. 
Rylands, T. G., On the Epticat powers 
of tle microscope, 27. 
S. 
Sagitta, On the development of, 47. 
Salicornariade, 149. 
Sertularian Zoopltytes, Mr. 
three new species of, 131. 
Scale, On the use of the diagonal, 259. 
Schultze, Prof. Max., On the phenomena 
of internal movements in Diatomacez 
of the North Sea, &c., 13. 
Scrupocellaria Delilii (Aup. sp.), 65. 
Shells, On the liability of, to injury 
from the growth of a Fungus, 128. 
Spatangidum (Brét.), 161. 
Spheria, 230, 231, 232, 233, 234. 
Spherozosma pulchellum, 136. 
Spinning organs of the Araneide, On 
the anatomy of, 129. 
Staurastrum O Mearii, 137. 
Stauroneis, 176, 180. 
Surirella, 179. 
on a structure observed in, 
Alder on 
116. 
Synedra, 177. 


JOURNAL. 
| 
Tabellaria, 171. 
Tetracotyle, 96. 
Thomisus cristatus, 130. 
Tobacco and its Adulterations, Notice 
of, 251. 
Trematoda,On the calcareous corpuscles 
of the, 92. 
Triceratium, 180. 
Tricuspidaria, On the calcareous cor- 
puscles of, 115. 
- and Pentastoma, Notes 
on, 202. 
Tryhlionella, 175. 
Tubulipora druidica (n. sp.), 67. 
Ve 
Victoria, Microscopic Society of, 118. 
Ww. 
Walker-Arnott, Dr. G. A., Reply to 
Dr. Donkin, 89. 
i; What are Marine 
Diatoms? 170. 
Wallich, Dr. G. C., an Apparatus for 
dredging at moderate depths in the 
deep sea; and for capturing floating 
objects from shipboard, 1. 
Warington, Mr., on the multiplication 
of Actiniz in his aquaria, 131. 
% R., on a portable aquarium 
microscope, 199. 
Webb, Dr. W. W., notes of the micro- 
scopical examination of a Loose Carti- 
lage from the knee-joint, 11. 
Welcker, Dr. H., On the measurement 
of the vertical thickness of micro- 
scopic objects, and on the determi- 
nation of the chemical properties 
from their refractive powers, 240. 
West, Tuffen, On some conditions of the 
cell-wall in the petals of flowers, 22. 
Williamson, Prof. W. C., On the reecnt 
Foraminifera of Great Britain, Review 
of, 104. 
Z. 
Zoophytes, British, the Rev. T. Hincks 
on some new and interesting forms 
of, 131. 
Zoophytology, 65, 143. 
JOURNAL. 
ERRATUM IN Vot. VII. 
Page 27, for ‘ P. G, Rylands,” read “ T. G. Rylands.” 

PRINTED BY J. EF. 
ADLARD, BARTHOLOMEW CLOSE. 
