INDEX 
TO THE COMMUNICATIONS READ DURING THE SESSION 
1839—1840. 
Agassiz, Prof. 
On the Polished and Striated Rocks which form the Beds of 
(GiEoraS) Tiny Toe ZN Is SsccoomaAcnesonneccootea decdocoopusauaboRaBagaoHsELaCeD 
ANNUAL REPORT, Feb. 21, 1840 ......cccecccsccsocccceuces seaaiaesaeticese 
Awnstep, D. T. Esq. 
On the Carboniferous and Transition Rocks of Bohemia......... 
Austen, R. A. C. Esq. 
On Orthoceras, Ammonites, and other cognate genera; and on 
their position in the Animal Kingdom .............e0ss0008 Soonpssose05 
On the Bone-caves of Devonshire .......+se.000. seetcenleasiaarnen ctr 
Austin, Fort Major. 
Notice of the Geology around the Shores of Waterford Haven 
Bain, A. G. Esq. 
On the Head of an Ox found in the Alluvial Banks of the Mod- 
der, South Africa ...... De eae Me Lt clas bal cate tsa Siesietoroe att todete 
Beaumont, J. T. Esq. 
On the Origin of the Vegetation of our Coal-fields and Wealdens 
BoweErgankg, J. 8. Esq. 
On the Siliceous Bodies of the Chalk, Greensand, and Oolites... 
Bowman, J. E. Esq. 
On the Characters of the Fossil Trees found on the Manchester 
and Bolton Railway ; and on the Formation of Coal by Gradual 
RUD SIC EMCO mocceenieecuseaus dence onsetnbescsccsemeecercece vac eaebbuwsuepteladeoee 
Buexianp, Rev. Prof., D. D. 
Anniversary faddrege., Feb 20 p VS4 Oi cssseascscscudtesssssosescenssees 
Buppteg, J. Esq. 
On Depressions produced on the Surface by excavating Beds of 
Coal rece: sek atekeccetons san aascceaesecnnmescchesscsenaneen eossesusatamsncee cess 
On the Great Fault called the Horse, in the F' aes of Dean Coal- 
el deeeiwantasetadnaceuseenseececees aaa Se ecieee as abdanectaoat 
CaupcLeveu, A. Esq. 
Notice of the Declaration of the Master and Crew of a Chilian 
Schooner, respecting a supposed Submarine Volcanic Eruption ... 
Catvert, R., M 
On a Bed of Lignite near Messina ........0-.sesecssoececacosesseroees 
CHATFIELD, Consul. 
Notice of Earthquakes at San Salvador in 1839 ......ssse-eeeeeee 
CiaRKE, Rey. W. B. 
On Showers of Ashes which fell at Sea, off the Cape de Verde 
island Siaeaecscssee Hommes sates Saisie ate ae mala alec oeieicatatticisicete ociomctettieletsisieleie 
Creuzez, Mr. 
Remarks on the Structure of the Royal George, and on the Con- 
dition of the Timber, &c., recovered in 1839 ......... SNL ee Re aie 
Greaves, R. Esq. 
Notice of Birds’ and other Bones in the Limestone Cliff at Kel 
Point, Caldy Island .......... ag gdbauocaadcoaonecononnonaned seondpenocLeNC0Od 
Page 
321 
189 
167 
179 
286 
154 
152 
152 
278 
270 
210 
147 
287 
146 
322 
179 
145 
289 
322 
