CORRIGENDA ET ADDENDA. 



Page 302, line 7, for Turbinella read Turbinellus. 



Page 348, line 4), for destructive read distinctive. 



Page 353, line 6, from bottom,'^ „ 



„ ^ ,,/ ,. '-^ Wbr Plate XXIV. read Plate XXIX. 



Page 354, line 7, J"^ 



Page 488, line 4:, from bottom, add 8. 



Page 493, col. 1, line 2 from bottom, the superior figure 5 refers to Pleuracanthus in bottom line. 



col. 2, transpose two last lines. 



— — — note 5 line 2, for curve tend groove. 



Page 575, line ^,from bottom, for No. 1 read No. 2. 



Page 667, note t,/or 1837 read 1839. 



Page 708, note j-,for p. 710 read p. 712. 



Page 709, line 2\,for PI. XL. read PI. LX. 



Page 728, line 2^, for Cyrtia read Spirifera. 



