INDEX 
TO THE COMMUNICATIONS READ DURING THE SESSION 
- 1840—1841. 
Aeassiz, Prof. 
On Glaciers, and the evidence of their having once existed in 
Scotland, Ireland and England ...............0. Sd duaopdacconngaceces00r 
ALEXANDER, Capt. 
On the Annual Destruction of Land at Easton Bavent Cliff...... 
ANNUAL REPORT, Feb. 19th, 1841  ..ccc...ccseseccccsccccccccecsoeererces 
Austin, THomas, Esq. 
Observations relative to the elevation of Land on the Shores of 
Waterford Haven during the Human Period, and on the Geo- 
logical Structure of the District ..........c.sscscecessssccececsveccecences 
Baitzy, Tuomas, Esq. 
On the Gravel Deposits in the Neighbourhood of Basford ...... 
BowERBANK, JamEs S. Esq. 
On Moss Agates and other Sieenns BOGS precede deerlesceasesests 
BuckLanp, Rev. Prof. 
On the Evidence of SUS in Scotland and the North of En- 
Plans: Wurst: Part = trterciowtariataretaer-retoaterrateteltatelsateeleisislegle aciele otc wateientebletate est cles 
SCGOMNG! TEEVAE spococaacsnodsocscadspocooooooCLDGSDocNUECodocbuOLeecUSUsceH oC 
Address on presenting the: Wollaston Medal awarded to M. 
Adolphe? Bromeniart! SRvQI 28. UDA Gees oda besdnd. Ja scltebene ds ewes: 
On the Agency of Land Snails in corroding and making deep 
excavations in compact Limestone Rocks ........0...escevercoenceeenes 
Anniversary Address, Feb. 19th, 1841 ...s.......scecesereeesceerers 
Burr, Frepericsn, Esq. 
On the Geology of Aden ie. 22. Qijiecactvcs det seaser eee RAMOGTIOR, 
CuarKeE, Rev. W. B. 
On the Geological Phenomena in the vicinity of Cape Town, 
Soubherm> AGricak? Uso foswsckos.cdveseeids see teitesacldeaens ee ceelclot isle sbilelstertstets 
Craie, J. Esq. 
On the Boulder Deposits near Glasgow....... os odpabounsbadastcbsced 
Darwin, C. Esq. 
On the Distribution ofthe Erratic Boulders, and on the contem- 
poraneous unstratified Deposits of South America .........:.see008. 
De Verneuit, M. E., and Murcuison, R. I. Esq. 
On the Geological Structure of the Northern and Central Region 
of Russia in Europe .....sc.ccsceceeeeeee sh SEP Renee ncie batten uiceltaa alae 
Ecerton, Sir P. Bart. M.P. 
A Notice on the Occurrence of Triassic Fishes in British Strata 
Henwoop, W. J. Esq. 
A Brief Note to accompany a Series of Spee eas from Lock- 
leit, ween INTER) Gaeeneebsdoocsodoaden cocococupeTOsURPCored incsdeedeentees 
Notes to accompany a Series of Specimens from Chaleur Bay 
and the River Ristigouche, in New Brunswick ....-.ssssseeeceeeeecees 
VOL. III. PART Il. ZY 
Page 
327 
445 
367 
360 
411 
431 
332 
345 
384 
430 
469 
355 
418 
415 
425 
398 
409 
