280 PROCEEDINGS OF TUK MALACOLOGICAL SOCIKTY. 



Voluta 7))eIo, Sol. 

 Achatina macidafa, S\v. 

 Uyria elongata, S\v. 



Part IV. March 1822. 

 (Contains eight plates.) 

 Voluta pore ma, Lam. 



,, olla, Linn. 



,, iindulata, Lain. 



,, ruhiginosa, S\v. 



,, tiiberculaia, S\v. 

 intra per turn, Sw. 

 Stromhas tricornis, Humph. 



,, galliis, Linn. 



[The Plates are not numbered ; but the name of each species or 

 variety illustrated is given at the bottom of each plate, printed, or 

 written in ink, witli the Author's name attached and the source of the 

 specimen.] 



Reissue of first edition, in part redrawn ; with two additional parts. 



1834—1835? 

 This consists of six parts, the first four being a reissue with minor 

 differences of the first issue, to which were added two new parts. 



The Titles on the front covers of Paits I-III are as follows: — 

 "Exotic Conchology ; | or | Figures and Descriptions j of | Rare, 

 Beautiful, or Undescribed | Sliells. | 13y | William Swainson, F.R.S. 

 & F.L.S. I Member of the Wernerian Society of Edinburgh, | Historic 

 Society of New York, &c. | Part I [2, 3] | containing [no contents 

 are given] ] London : | Printed for William Wood, Strand ; and 

 J. and A. Arch, Cornhill. | Price" [amount written in ink] | 



There was a slip inserted in Part IL referring to the first Series of 

 the Ornithological Drawings, the 'Birds of Brazil', by W. Swainson. 

 It also states " Exotic Conchology. After the Third Part, the Price 

 of the succeeding will be raised to non-subscribers from 10s. 6f?, 

 to 14s." 



The Titles on the Front Covers of Parts IV-VI are as follows: — 

 " Dedicated I to I The Kev. Joseph Goodall, D.D. F.L.S. &c. 1 

 Provost of Eton. | Exotic Conchology; | or | Figures and Descriptions 

 of Rare, Beautiful, or Undescribed | Shells. | By | William 

 Swainson, Esq. M.P.S. Camb. | and of several Foreign Academies. | 

 Part 4 [5, 6]. | London : | Published by Baldwin and Craddock, 

 Paternoster Row; and J. and J. Arch, Cornhill. | Prices. Plain 7s. 

 Coloured 10s. &d. (Non-Subscribers 14s.) Double Plates (Sub- 

 scribers) 15s. j Published every other Month, and to be completed in 

 Six Parts." I 



At the end of W. Swainson's ' Elements of Modern Conchology ', etc., 

 London, 1835, appears the following Advertisement: — 



