170 
INDEX TO TRANSACTIONS. 
Coscinodiscus, Elir., 62. 
„ radiatus, Elir., 48. 
Cresswellia, Arnott, 167. 
Cyclotella, Kiitz., 63. 
Cymatopleura, Smith, 65. 
Cymbella, Agardli, 61. 
D. 
Denticula, Kiitz., 163. 
Diatoma^ Decand., 165. 
Diatomacese found near Gambia, 0. 
Notes on, by Hamilton L. Smith, 
33. 
occurring in the neigh- 
bourhood of Hull. List of, by 
Geo. Norman, 59, 156. 
„ Tuffen West. Remarks 
on some new or imperfectly de- 
scribed, and on a new Desmid. 
147. 
Diatom-valve, G. C. Wallich on the 
development and structure of the, 
129. 
Bicladia, Ehr., 168. 
Boryphora, Kiitz., 161. 
Druce, T. C. On the reproductive 
process in the Confer voidese, 71. 
E. 
'Encyonema, Kiitzing, 166. 
Epithemia, Kiitzing, 60. 
Eucampia, Ehr., 164. 
JhJupodiscus, Ehr., 62. 
E. 
Fragillaria, Lyngb., 163. 
G. 
Gloionema, Ehr., 167. 
Gomphonema, Agardh, 34, 162. 
„ anomalum, 33. 
„ dicliotomum, 33. 
„ ovatum, 33. 
„ sarcophagus, 33. 
Grammatophora, Ehr., 165. 
" Granulated" Blood-discs. G. E. 
Pollock on, 4. 
Greville, R. K. Monograph of the 
genus Asterolampra, including As- 
teromphalus and Spatangidium^ 102. 
„ On new species of 
Campy lodiscus, 29. 
H. 
Ilemidiscus, n. gen., Wall, 42. 
„ cuneiformis, Wall., 42. 
Hicks, J. Braxton. On the Amseboid 
conditions of Volvo x globator^ 99. 
Himantidium, Ehr., 103. 
Homosocladia, Agardh, 167. 
Hyolosira^ Kiitz., 164. 
M. 
Mastogloia, Thwaites, 166. 
Melosira^ Agardh, 166. 
Meridion, Agardh, 162. 
„ circulare^ 33. 
„ constrictum, 34. 
Microscope, binocular, E. H. Wen- 
ham on an improved, 154. 
Microscopical Society, Annual Meet- 
ing of, 81. 
„ Catalogue of 
Library of the, 9. 
„ * Officers, elec- 
tion of, 99. 
„ Presid^t's Ad- 
dress, 83. 
Mounting Instrument. James Smith 
on a, 2. 
N. 
Navicular Bory, 68. 
Nitzschia, Hassall, 66. 
„ lanceolata^ Smith, 48. 
Norman, Geo. List of Diatomacese 
occurring in the neighbourhood of 
Hull, 59. 
O. 
Odontidium, Kiitz., 163. 
Orthosira, Thwaites, 166. 
„ orichalca, 34. 
P. 
Pinnularia, Ehr., 156. 
Pleurosigma, Sm., 158. 
Podosira, Ehr., 165. 
„ compress a ^ T. W., 180. 
Pollock, G. E. Observations on 
" Granulated" Blood-discs, 4. 
R. 
Rhabdonema, Kiitz., 164. 
Rhipidophora, Kiitz., 162. 
Rhizosolenia, 50, 168. 
Roper, E. C. S. On Triceratium arc- 
ticum^ 55. 
S. 
Schizonema^ Agardh, 167. 
Section Instrument. James Smith 
on a, 1. 
Siliceous Organisms found in the Di- 
gestive cavities of the Salpce, G 
C. Wallich on, 36. 
