- 509 - 



1,^ coarser sc " e of ' '^m. '^■'' t th 



1^ " ^ Mcli uouville (l) i.'LS~ii . z.i: j. lii.:'ualcoiiis. *hcL;e 



'. louville, ".; sur I'age '■iei3 eo'iches traversdet _- 



?anal cTe Panama, Goiii-ot. ', . 3cl., vol. 1? , .497, 



1891. 



t?.'0 forms, f^. e Ohipolan C. c^stum I-all ( f: ) , the 0.?]r '^rove 0_. r^el^ " 1 - 

 "•■TOi ?^al] (Z), the '..'accama.w and. CialoosahatGhie C_, emmonai Gonrsd (l) 

 the iiioeene tr it 2.* isoQarclia Linnaeus (5) and t' -ant V/est 



Joaet 2« hrl^heri ■^roderip (6) constitute a v/e1 1 :=':pfi-no'-"' ^ro-n, the 

 . ." -3 of which differ principally' ' in ornaricntatioii. 



(£}. loo- 3it., -, 108-, pi. 48, fie-. 14. ibcO. 



(?). loc. Git., p. 1064, pi. 48, f ip . 13, 1900. 



(4). Am, Jour. Conch., vol. S, p. 15, 187G ( =£. uuiricatum "'^rtmons. 

 Oeol. :^ept. ITorth Carolina, p. P^Ol, fis'S. -^"--^-^ 1858, non 

 linnaeiTP, 1 , 



(5). Sjrst. i,at., ed. 10, p. 679, 17'^'8; Reeve, Oonch. Icon., vol. 

 2, Gorfli.nm . ol. ^7, fi -■ . 8?-, 1"45. 



iaVo (7) recorded in the Saiito Doming'O oe '"'£;, th ^e of •: 



("). i'rans. Aiu. l-hilos, .boc . , ev/ ser., vol. 15, . ' .. 



"n:-^;, ^^^hieh he identifi.. ,,^ ... --•'■ i" _:. _. oelonnatTur. 



