DONS. — 4 MA.RS-6 MAI 1878. 57 
H. Woodward. — Note on Penceus Sharpii, a Macrurous Decapod Crustacean, 
from the (Jpper Lias, Kingsthorpe, near Northampton, 164. 
A. B. Wynne. — Whatis an Erratic?, 185. 
S. Y. Wood Jun. — In Reply to Dr. James Geikie, 187. 
G. Linnarsson. — On the Trilobites of the Shineton Shales, 188. 
Ch. Lapworth. — Geological Map of Scotland, 189. 
A. W. Waters. — Dr. Cari Mayer on the Italian Tertiaries, 189. 
D. Mackintosh. — Terminal Curvature in West Somerset, etc., 190. 
Th. Davies. — Note on Jadeite and Jade, 192. 
— Geological Society of —. The Quarterly Journal of the —, 
t. XXXIY, n° 1 ; 1878. 
R. Etheridge Jun. — On our Présent Knowledge of the Invertebrate Fauna of the 
Lower Carboniferous or Calciferous Sandstone Sériés of the Edinburgh Neighbour- 
hood, especially of that Division known as the Wardie Shales ; and on the First 
Appearance of certain Species in these beds, 1. 
W. Gunnet C. T. Clough. — Discovery of Silurian beds in Teesdale, 27. 
J. F. Twisden. — On possible Displacements of the Earth’s Axis of Figure produced 
by Elévations and Dépréssions ofher Surface, 35. 
W. A. E. Ussher. — On Terminal Curvature in the South-western Counties, 49. 
J. S. Gardner. — On the Cretaceous Dentaliidæ, 56. 
0. Heer. — Notes on Fossil Plants discovered in Grinnell Land by Captain H. W. 
Feilden, Naturalist of the English North-Polar Expédition, 66. 
A. Daubrée. — On points of similarity between Zeolitic and Siliceous Incrustations 
of recent Formation by Thermal Springs, and those observed in Amygdaloids and 
other altered yolcanic Rocks, 73. 
J. D. Enys. — On Sand-worn Stones from NewZealand, 86. 
G. M. Dawson. — On the Superficial Geology of British Columbia, 89. 
0 W en. — On Argillornis longipennis, Ow., a large Bird offlight, from the Eocene 
Clay of Sheppey, 124. 
C. W. Peach. — On the Circinate Vernation, Fructification, and Varieties of Sphe- 
nopteris aflinis, and on Staphylopteris ? Peachii of Etheridge and Balfour, a Genus 
of Plants new to British Rocks, 131. 
T. M. Kenny Hughes. — On the Pre-Cambrian Rocks of Bangor, 137. 
T. G. Bonney._Note on the Microscopie Structure of some Welsh Rocks, 144. 
H Hieks._On some Pre-Cambrian (Dimetian and Pebidian) Rocks in Caernar- 
venshire, 147. 
Th Davies._Note on a Rock-specimen from the Centre of the so-called Por- 
phvritic Mass to the East of Tal-y-sarn, 152. 
— Royal Society of —. Philosophical Transactions of the —, 
t. CLXVI, 2» partie; 1876. 
— ld., t. CLXVII, l re partie; 1877. 
W C. Williamson. — On the organization of the Fossil Plants of the Coal-Mea- 
sures, VIII : Ferns and gymnospermous Stems andSeeds, 213. 
$ II Darwin. — On the Influence of Geological Changes on the Earth’s Axis of 
Rotation, 271. 
--Proceedings of the —, t. XXY, n os 175-178 : 1876-77. 
G. H. Darwin. — On the Influence of Geological Changes on the Earth’s Axis of 
Rotation, 328. 
H 
