ERRATA. 



The following errata and addenda should be entered on their respective 

 pages of the Bibliography : — 



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



copies of the "Monographic." 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 be 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 synonjm 



of Crassina 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 Unio 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 l,ybr September reml May. 



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



" 319, line 1,/or 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. Jourii. [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, /or November nad July. 



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



«« 348, line 28, /or 1841 read 1840. 



« 350, line 22, /or 108 read 308. 



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



«' 359, line 15, /or 137 rend 138. 



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



" 371, line 10. A figure of Cochllolepis is given. 



" 371, line 21, /or September read November. 

 ( 649 ) 



