ADDITIONS AND COEEECTIONS • 551 



AcmcTa grandi,?, Gmy, found at Monterey by Col. Jewett 

 and Mr. Harticeg. It appears abundantly in tlie S/W. 

 Mexican Col but was not found either by Mr. JSTuttall or 

 M. Eeigen. BeJe also the corresponding reference under 

 Hah. (page 200) "Monterey Nutt.) " 



Page 2(3, line 22, add "(Nou i?t;e. Co?ick. Ic. ^l IG, sp. 38, 



1854.)" 



Page 207, line 9 from bottom. D'Orbigny's types in the Br. 



Mus. appear exactly couspecific with the Californian shells. 

 Page 208, line 2, for "? + " read " = ." Add to the sentence, 

 teste Eeeve : 'never took it,' teste Cuming -. Monterey 



Hariweg, teste Mus. Cuming." 



After tablet 1020, add "1020 bis, 1 sp. with 6 corners." 



Page 215, last line, add " Chen. Conch. III. pi. 1, f. 25, a, b." 

 „ 216, last line (text.) for "13" read '■' '13." 



Page 220, line 9 from bottom, add " CUn. Conch. III. pi. 1, 

 f. 23, 24" To the synonyms should he added ".P + Fissurella 

 mus, Pve. Conch. Ic. pi. \.G, f. 120. Hab. ? " 



Vage 227, line 17, to Val. Voy. Ten. add "pi. 2, f. 3, 3 a-c." 



^\ if i1nn*^.f ' '''^'^- "^^^'* ^^ *^^ ^^0^6 possess' opercula ; 

 tablet 109o* contains 6 opercula loose." 



Page 229, line 2 from bottom, add "Rev. Soc. Cm. 1839, p. 361." 

 „ 229, last line, add "i^]. 2, I 2, 2 a." 

 „ 230, note, line 2, to "Voy. Fen." add "pi. 3 f. 1, 1 a-c." 

 „ 232, line l,for "Comp." read " = ," from tj^e. ' 



To tablet 1125, add "one with operculum." 



Page 235, line 3, dele "?" from type. 



To species 329, add the following note* — 



Page 263, Zme 5, for "has" reac^ "had". 



T«5/e< 1425. The specimen recorded proves to be somewhat 

 ess elongated than that on tal,let 1424. Another sp^cb^en 

 IS therefore substituted, intermediate in shape, finelv strkted 

 longitudinally, with crowded ridges of growth 



After tablet im add "1415*, 2 sp. extremely young, of which 

 one may have developed into C. imbricatum:" 



^fpecies^"^' "'^'^ "'■^y<'^^S shell which may belong to the 



