Vll 
Roscoe Professor H. E., Ph.D., F.R.S.— Note on Metallic Niobium and a 
new Niobium Chloride, p. 44. 
Ryland Thomas Glazebrook. — On Ptolemy’s Geography, with reference 
to the Coast from Caernarvon to Cumberland, p. 88. 
Schunck Edward, Ph.D., F.R.S. — On Indigo-blue from Polygonum 
tinctorium and other plants, p. 157. 
Smith R. Angus, Ph.D., F.R.S. — The Distribution of Ammonia, p. 188. 
Stearn C. H. — On a new Form of Portable Sprengcl Pump, p. 116. 
Sugiura S. — On the Decomposition of Ultramarine by Carbonic Acid, 
p. 95. 
Thomson William, F.R.S. E. — On the Construction of a Room or Series 
of Rooms free from Germ Life, proposed for use in the performance 
of Surgical Operations, p. 36. 
Waters Arthur William, F.G.S, — A Case of Flowering of Chaemerops 
Fortunei (Hook) at Alderley, p. 1. Table of Effect of Movement 
of the Surface of the Globe on the Shifting of the Axis of the 
Earth, p. 2. On Bryozoa, p. 125. Note to his paper on the 
Bryozoa, p. 178. 
Wilde Henry. — On the Origin of Elementary Substances, and on some 
New Relations of the Atomic Weights, p. 194. 
Williamson Professor W. C., F.R.S. — On the Microscopic Conditions of 
a Slab from the Mountain Limestone of Bolland, p. 70. 
Meetings op the Physical and Mathematical Section. —Annual, 
p. 219. Ordinary, pp. 104, 105, 219. 
Meetings op the Microscopical and Natural History Section. — 
Annual, p. 228. Ordinary, pp. 25, 41, 90, 104, 125. 
Report op the Council. — April, 1878, p. 179. 
ERRATA. 
Page 96, line 3, for Q3 = ^Pi — 
read Qs = 
Pi 
O . 
O 
Page 96, line 6, for 2Cu(N0 3 )2 4- 2N 2 0 2 — 
read 3Cu(N0 3 ) 2 + N 2 0 2 . 
