ERRATA. 



The following errata and addenda should he entered on their respective 

 pages of the Bibliography : — 



Page 1. The folio of the left hand column refers to Rafinesque's extra 



copies of the " Mouographie." Page 25 corresponds with p. 291 of the 



original paper in the " Annales." 

 Page 4, line 14. After Tremisia patelloides read Notrema. 



" 4, line 25. Add See also page 546. 



" 5, line 3 from bottom, add Decurambis litterata Raf. 



" 8, line 11. The paper of Coates will also he found in the Ann. of 



Phil, x, 385 ; Bull. Sc. Nat. vii, 259 (1826) ; Fror. Not. Bd. 12, 295 



(1826). 

 Page 40, line 10. Astarte castanea in the first edition is given as a synonym 



of Crassiua Danmoniensis, omitted in this edition. 

 Page 53. Note. See also p. 419. 



" 64. For Couthouy's paper, see also p. 487. 



" 64. For Jay's paper, see also p. 486. 



" 74. The date is probably 1842. 



" 123, line 3 from bottom of left hand column, add p. 40 TJnio creri- 



dens Lea. 

 Page 129. The first edition of Wheatley's Catalogue was published in 1842. 

 Page 230. For Lea's Synopsis, see also p. 52. 



" 254. The Land Shells of Say were published separately in 1856 with 



the title of "Descriptions of Terrestrial Shells of North America." 

 Page 262, line 1,/or September read May. 

 274, line 4, add See also p. 605. 



319, line I, for W. Whittemore read T. W. Whittemore. 

 319. Agassiz and Gould's Principles were republished in 1851. 

 327. For Conrad's paper, see also p. 404. 

 327. For Leidy's paper, see also Silliman's Am. Journ. [2] iii, 434. 



333. Date of Haldeman's Monograph is said to be 1847. 



334, after line 36, add L. solida Lea == Melania. 

 339, line 3, for November read July. 

 341, line 2 from bottom, add See also note on p. 101. 

 348, line 28, for 1841 read 1840. 

 350, line 22, for 108 read 308. 

 357, for foreign species of Bost. Proc. see p. 530. 

 359, line 15, for 137 read 138. 



361, after line 9, add ii, 160 Crepidula nummaria Gould. Classet. 

 371, line 10. A figure of Cochliolepis is given. 

 371, line 21, for September read November. 



( 649 ) 



