309 



Lepe. 



(h) Leperditia Okeni. 



XI. 



T.eaia Leitlif. 



Leperditia carbonaria. ( Cythere ( Cytherina) oarlonaria^ 

 XL"'" ^ '"" -^ :V "'T' Hall, Trans. Alb. Inst. Vol. 



4,1856.) Whitfield, Bull. 3, 



™__ ^^' ^^^' ^^^' ^^^^5 ^^^^' 



InTT^iZ%i^^^ ^'^m^S^W p. 94, pi. 9, figs. 24 to 27 in 

 Collett's Indiana Rt. 1882, page 375, plate 32, figs. 24, 25, 26, 

 27, greatly enlarged ; exceedingly small, compare McCoy's 

 Cytherina pusilla. At Spergen Hill, (fee. Ind. Sub-carbon- 

 iferous ( Warsaw limestone) formation. XL 



Leperditia faba. F5. See Appendix, 

 Leperditia fabulites. Ill I. See Appendix, 

 Leperditia okeni, (785), with a Cythere (78a), a Bey- 



richia (78(?), an 

 Estheria (786?), 

 and Leaia leidii 

 (78e), on page 

 256 of Dawson's 

 Acadian Geol- 

 ogy, 1868. All 

 these little ento- 

 mostracan shells 

 are found in 

 great abund- 

 ance, with fish 

 scales, fish dung, 

 coal plants, and small reptiles, in the fossil coal forest of 

 Lower Carboniferous age in Nova Scotia. Similar shells occur 

 in all the coal areas of the United States. — XL 



Leperditia ovata. Rogers, Geology of Pennsylvania, Yol- 

 Va.^gp^ ume Second, 1885, page 834, fig. 697. Black river 

 ^ ^P^ formation. (Jones, Annals and Magazine of Nat- 

 ray^^Z::^ ^^^^ History [3] Vol. I, 1858.) LIh. 



Leperditia punctulifera. See Appendix, 

 Leperditia solvensis. English. See L. troyensis. M. C, 

 Leperditia troyensis (Ford, = ? solvensis, of Jones, Ann. 

 ^^^ and Mag. N. H., [2] XVII. Feb. 1856, p. 95, from 

 the Welsh Menevian rocks) Walcott, Bulletin 

 U. S. G. S. No. 30, page 146, plate 16, fig. 5, 

 sketch of type specimen, enlarged three times^ 



