BIBLIOGRAPHICAL SKETCH. 



37 



Placunopsis carhonaria. 

 Aviculopecten Randolphensis. 



— Indianensis. 



Aviculopecten fimbriatus. 

 Macrodon* temdstriatus. 



Schizodus curtus. 

 Anthracoptera fragilis. 

 Myalina meliniformis. 

 Pterinea {Monopteria) gihlosa. 



Monopteria is proposed as a new sub-genus of Pterinea. 



1866. In the same year the same authors, in voL ii (Palseontology) of the 

 Geological Survey of Illinois,' figured and redescribed — 



Myalina Swallovi, M'Chesney. 



— meliniformis. 



— recurvirostris. 



Aviculopecten Coxanus. 

 — Oweni. 



— amplus. 



— ohlongus. 



— pellucidus. 



— Burlingtonensis. 



— Koninckii. 



— interlineatus. 



— occidentalis, Shumard ? 

 Streptopteria ? tenuilineata. 

 Eumicrotis, Sawni, var. sinuata. 

 Pterinea, sub-genua 3Ionopteria, M. aud W. 



— {Monopteria) gihbosa. 



— concentrica. 



— angulata. 

 Schizodus, sp. ? 



— Chesterensis. 

 Edmondia unioniformis, Phillips ? 

 Nuculana ? curta. 

 PleuropJiorus subcostatus. 

 Solenomya radiata. 

 Cardiopsis radiata. 

 Allorisma, sp. 



These species had all been described before by the same authors or others, but 

 with few exceptions no figures had previously been given. 



1866. In ' Proceedings of the Academy of Natural Sciences of Philadelphia * 

 for 1866, pp. 259 — 261, Messrs. Meek and Worthen describe Pteria {Pterinea.'') 

 Morganensis from the Coal-measures, and Macrodon micronema from the Chester 

 group (Sub-carboniferous) of Illinois. 



1867. The ' American Journal of Science and Art,' 2nd ser., vol. xliv, contains 

 at pp. 170 and 327 a long critical review, by Meek, of Geinitz's, 'Upper Palaeozoic 

 Rocks and Fossils of South-eastern Nebraska.' Nearly all the specific names of 

 the fossil shells are challenged, and many of the genera. 



1868. In vol. iii of the ' Geological Survey of Illinois,' " Geology and 

 Palaeontology," Messrs. Meek and Worthen describe and figure — 



Pernopecten Shumardianus, Winchell ? ^ From the Kinderhook group of Burlington, 



Pterinea ? undulata, M. and W.* / Iowa, pp. 453 — 456. 



Aviculopecten Indianensis, M. and W. 



Anthracoptera ? fragilis, M. and W. 



Pleurophorus costatiformis, M. and W. 



Sedgwickia {^Sanguinolites ?) subarcuata, M. and W. 



Lithophaga Jingualis, Phillips ? 



Allorisma {Cheenomya ?) hybrida, M. and W. 



From the Keokuk group of the Lower 

 Carboniferous series, pj). 532 — 539. 



* The name Parallelodon is proposed as a substitute for Macrodon, because the latter had been 

 in use since 1862 for a genus of fishes 



