APPENDIX. 



Bibliography. 



1853. In a paper " On the Coal-measures of the South Joggius, Nova Scotia," 

 Sir W. J. Davpson at p. 39 figures two shells as Modiolfe (figs. 22 and 23), and 

 two as Unioues (figs. 24 and 25), from these measures. No specific names. 



1862, Winchell described, in the volume of the ' Proceedings of the Academy 

 of Natural Science of Philadelphia ' for 1862, p. 413, Cardinia complanata, C. 

 ssquimarginalis, said to be closely allied to C. robusta, and G. concentrica, from 

 Carboniferous beds of the Marshall and Huron groups of Michigan. 



1864-5. Messrs. Meek and Worthen (" Paleeontology of the Upper Missouri," 

 part i, p. 34, ' Smithsonian Contributions to Knowledge,' No. 172) include 

 Carbonicola (spelt Carbonocola) in the family Crassitellidae, with Astarte, 

 Crassatella, Cardita, &c., and a very large number of fossil genera of most 

 diverse characters, — Venericardia, Pachydomus, Astartila, Astartella, Cardinia, 

 Hippopoduim, Pleurophorus, and various others. 



At p. 36. Anthracomj^a is included in the family Anatinidge, with Anatina, 

 Thracia, Pandora, and Pholadomya, and other recent genera, and with the fossil 

 genera Carcomya, Allorisma, Myciates, Arcomya, Cardiomorpha, Sedgwickia, 

 Sanguinolites, and others. Such a group, with scarcely a character in common, 

 cannot be admitted for a moment. 



1875. Baily gives a figure of Carbonicola ovalis under the name Anthracosia 

 centralis in his ' Figures of Characteristic British Fossils,' p. 115, pi. xxxix, fig. 8, 

 from the Coal-measures of Wednesbury, South Staffordshire. 



1878. Bigsby's 'Thesaurus Devonico-Carboniferus ' gives lists of all the 

 then known species of Devonian and Carboniferous Lamellibranch fossils. The 

 following are from American Carboniferous strata (p. 296) : 



Anthracosia Dequimarginalis} Winchell. 



— Antigonesensis, Dawson. 



— Bradorica, Dawson. 



Anthracosia concentricaj- Winchell. 



— fragilis {?), Cox. 



— nana, Owen. 



^ This shell is referred to Edmoudia by S. A. Miller. 

 ^ Tbi.-i shell is referred to Sanguinolites by S. A. Miller. 



