﻿ANODONTA 365 



Anodonta arcalis Kuster, Conch. Cab. Ano., 1853, p. 47, pi. 



IX, figs. 2-4. 

 Anodonta charpentieri Kuster, Conch. Cab. Ano., 1853, p. 49, 



pi. XI, figs. 3, 4. — SowERBY, Conch. Icon., XVII, 1867, pi. 



XII, fig. 37. 

 Anodonta anserirostris Kuster, Conch. Cab. Ano., 1853, p. 55, 



pi. X, fig. 3; XI, figs. I, 2. 

 Anodonta inornata Ku.ster, Conch. Cab. Ano., 1853, p. 42, pi. 



Ill, fig. 6. 

 Anodonta titmida Kustkr, Conch. Cab. Ano., 1853, p. 48, pi. 



XII, figs. I, 2. 



Anodonta sublit.vata Kuster, Conch. Cab. Ano., 1853, p. 52, pi. 



XIII, figs. I, 2. 



Anodonta sondermannii Kuster, Conch. Cab. /\no., 1853, p. 



54, pi. XIII, fig. 4. 

 Anodonta opalina Kuster, part, Conch. Cab. Ano., 1853, p. 60, 



pi. XVI, figs. I, 2. 

 Anodonta nilssonii Kuster, part, Conch. Cab. Ano., 1853, p. 



61, pi. XVIII, fig. 2. 

 Anodonta helvetica Bourguignai', Rev. et Mag., XV, 1863, P- 



22 (pi. XX in vol. XIV, figs, i, 2). 

 Anodonta melinid Bourguignat, Moll. Pen Con.. 1863, p. 50, 



pi. xxviii ; Rev. et Mag., 1865, pi. xxiv, figs. 1-5. 

 Anodonta elachista Bourguignat, Moll. Pen Con.. 1863, p. 



60, pi. xxxi, figs. 12-14. 

 Anodonta psaimnita Bourguignat, Rev. et Mag., XV, 1863, 



p. 21 (pi. xxi in vol. XIV, figs. 1-4). 

 Anodonta pictetiana Brot, Etude Coq. Lem., 1867, P- 45- P^- 



VIII, figs. 1-3. 

 Anodon simplicidus Sowerby, Conch. Icon., XVII, 1867, pi. 



XII, fig. 40. 



No description can be made to cover all the endless varia- 

 tions of this protean species. That, which I have given, will 

 include most of the forms, but many specimens differ from it 

 in one or more characters. The species, as T have recognized 

 it, is very little, if any, more variable than our North American 

 Anodonta grandis or Strophitus edentulu^. Doubtless if these 



