Rhyn. 



888 



Hall. Pal M.yjl:/,LxYi^t . 



Rhynchonella emacerata. {Atrypa emacerata. (Hall. 

 \^ ..m. ^-m. ^ Pal. N. Y. Vol. 2, 1852, 



page 71, plato 23, figs. Ba^ 

 5, c. two individuals, and 

 enlarged surface markings; 

 species only known in the 

 upper part of the Clinton 

 green ehale (Sodus, Rochester, N. Y.) ; all flattened; sheila 

 partially or wholly destroyed. — In Pennsylvania, Perry Co. 

 Waggoner's mill, Centre, Claypole's spec. 12,134 (very doubt- 

 ful. G. B. S.),from Clinton strata. Va. 



Rhynchonella emma, Hall. Recognized by Claypole in 

 White's spec. 12,292 (7?. emma., or very near it. J. Hall; R. 

 eximia.^ G. B. S.) from opposite Bloomsburg, Columbia Co.^ 

 Pa. Chemung, VIII g. 



Rhynchonella eximia {Atrypa eximia.) Stenoschisma 

 eximium, Hall, Geol. Fourth District, N. Y., 1843. Pal. N. 

 Y. Vol. 4, page 348. Chemung. Claypole's Spec. 12,292, called 

 Rhynchonella emma (030, 149, G. B. S. 1889) from Blooms- 

 burg, Columbia Co., Pa. Also 12,134 (?) ticketed R. emacer- 

 ata, (G. B. S.) Ylllg. 



Rhynchonella formosa, Hall, Pal. N. Y. Vol. 3, 1859, page 



236, plate 35, selected figs. 6a to e, views of typical specimens 

 with strong plications ; m to oj, specimens presenting the ordi> 



