﻿A MONOGRAPH 



OF THE 



l 



BRITISH FOSSIL BRACHIOPODA. 



BT 



THOMAS DAVIDSON, F.R.S., F.G.S., 



VICE-PRESIDENT OF THE PAL.EONTOGRAPHICAL SOCIETY ; MEMBER OP THE GEOLOGICAL SOCIETIES OF FRANCE, EDINBURGH, 

 AND GLASGOW; FOREIGN MEMBER OF THE PROVINCIAL INSTITUTE OF FRANCE; OF THE LINNEAN SOCIETY OF 

 NORMANDY; OF THE IMPERIAL MINER ALOGICAL SOCIETY OF ST. PETERSBURG; OF THE IMPERIAL SOCIETY OF 

 NATURALISTS OF MOSCOW; OF THE ROYAL ACADEMIES OF BELGIUM AND BAVARIA; OF THE ROYAL 

 SOCIETY OF HOLLAND, HAARLEM ; THE ROYAL SOCIETY OF LIEGE ; THE ACADEMY OF ST. 

 LOUIS; THE AMERICAN PHILOSOPHICAL SOCIETY, PHILADELPHIA; INSTITUTE OP 

 ALBANY, UNITED STATES; THE ZOOLOGICAL SOCIETY OF VIENNA; THE 

 PALjEONTOGRAPHICAL SOCIETY OF BELGIUM; HON. MEMBER OF 

 THE GEOLOGISTS' ASSOCIATION, LONDON; HON. MEMBER 

 OF THE DUDLEY AND MIDLAND GEOLOGICAL AND 

 SCIENTIFIC SOCIETY, ETC. ETC. 



VOL. IV. 



PART I. 



SUPPLEMENT TO THE RECENT, TERTIARY, AND 

 CRETACEOUS SPECIES. 



Pages 1—72 ; Plates I— VIII. 



LONDON : 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1874. 



