CONTENTS 
OF THE FIRST PART OF THE THIRD VOLUME. 
SESSIONS 1838—1839, and 1839—1840. 
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Page 
Agassiz, Prof. + 
On the Polished acl Striated Rocks which form the Beds of 
UReH ARICLSEUUREN SANDS) vice aicins <ionjeinesmsioidos scesiva oceis Saelganesabh soi ewar eel tes 321 
ALEXANDER, Capt. 
On Mastodon Teeth from the Crag, and the occurrence of a par- 
ticular bed containing Echini in the Coralline Crag at Sudbourne.. 10 
AwnvuaL Report, 15th February, 1839 ....... eee che slates ohiee ic Besslowin 4] 
Pion Hesany, (LSA Onscgatertss-4-tsayca-sones © asain wen sheer’ ox tel 4oe crus 189 
Awstep, D. T., Esq. 
On the Carboniferous and Transition Rocks of Bohemia.......... 167 
ArkKINnson, —, Esq. 
On Tortuous Casts of Vermiform Bodies in Sandstone ......... 126 
Austen, R. A. C., Esq. 
On the Structure of South Devon ..:......s0...seccssccsensesssecceee 123 
On Orthoceras, Ammonites, and other cognate genera; and on 
their position in the Animal Kingdom ............... npc senehaarnaseen 179 
On the Bone-caves of Devonshire .........-ssecccscecescccsnsessenece 286 
Austin, Fort-Major. 
Notice of the Geology around the Shores of Waterford Haven 154 
Bain, A. G., Esq. 
On the Head of an Ox found in a the Alluvial Banks of the Mod- 
GET SOU EM eAEEI CAI. sisit ae oiaccieisicie Lie alos sie sas sislaeisie sine biens ayelarciste cinarapets omteege ae 152 
Beaumont, J. T. B., Esq. 
On the Origin of ie Vegetation of our Coal-fields and Wealdens 152 
BoweERBANK;, J. S., 
On the London ond Plastic Clay Formations of the Isle of ens 125 
On the Siliceous Bodies of the Chalk, Greensand, and Oolites... 278 
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 
SUDSICENCE...cseses eee ale asic. maids ofl shucicm sean bas edhe Gincvasituene Sones peury age) 
Bropiz, Rey. P. B. 
On the Remains of Insects and a New Genus of Isopodous Crus- 
_tacea from the Wealden Formation in the Vale of Wardour ...... 134 _ 
Buck ianp, Rev. Prof., D.D., Pres. G.S. 
Address on presenting to Dr. Fitton the Wollaston Medal 
epjemdedato: Mb. JOumont ss Avast ven stascn: a2 -cijaccagnonébens shabge oon duro 206 
Address on presenting to Mr. James de Carle Sowerby one 
year’s Proceeds of the Wollaston Fund.......... SNOUT BREE IBBC Ser 208 
Anniversary Address, Feb. 21, 1840 ......ssssscceseeererseecseneoecs 210 
Bupptz, J., Esq. 
On depressions produced on the Surface by excavating Beds of 
(Geni) che dcodosobucneccatsendsnnocode onsocenasoapubdubbaddsoaccdodorgonadeoodc 147 
On the Great Fault called the fonee in the Forest of Dean Coal- 
field seceoneccescecce @vecenecceces elsiuivlele'slojele in glelelelvielpiciesicisislelcisere: weceeetcsesavece wo0 287 
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