Pleu. 



708 



IBih 



Pleurotomaria doris, Hall. 15th Annual Report. N. Y., 



1862, page 43, plate 5, fig. 6. Less round than P. 



lucina; spire higher; revolving striae stronger. 



Schoharie grit^ and Corniferous limestone, YTI 



S, Villa, 

 ^ Note. S. A. Miller makes this a synonym of 



Cyclonema doris, 

 Pleurotomaria durhamensis, Whiteaves. (For figure 

 see under P. cyclostoma) , Pal. Foss. Oanada,III,i, 1884, page 

 24, plate 4, fig. 2, an unusually perfect cast of the interior; 

 surface markings unknown; outline not unlike Straparollina 

 ^eto^ica, Bill, from the Quebec group {Lower Silurian?) of 

 Newfoundland ; but this has 8, and that only 5 or 6 whorls, 

 and the lower ones not distinctly angulated. Unique speci- 

 men; Durham, Canada West; Ouelph {wj^^^ex Niagara) forma- 

 tion. YV. 



Pleurotomaria elegantula. {Murchisonia elegantula. 

 Hall, Trans Alb. Inst. 1856, Vol. 4. Pleuroto- 

 maria shumardi,^ Meek & Worthen, Illinois Rt. 

 Vol. 2, 1866, plate 18). Whitfield, Bull. 3 Am. 

 In^&^^X. Mus. plate 9, fig. 19. (Collett's Indiana Rt. 1882, 

 page 358, plate 32, fig. l%,^magniiied twice^ type specimen). 

 Has only six whorls, out of seven or eight, in the specimen 

 figured. Spergen Hill, etc., Ind. Suicarhoniferous, XL 



Pleurotomaria ella, Hall, Pal. N. Y., Vol. V, ii, page 72, 

 Llamilton, VLLL c, 

 Pleurotom.aria elora, Bllings. Geology of Canada, 1863, 



"48 pag^ 34^2, fig. 348. Found in the 

 Ouelph heds,^ lying above the Niagara 

 formation in Western Canada. Vh'. 



Pleurotomaria eugenia, Billings. Geology of Canada, 



8R 1863, page 144, fig. 87, a, 



J, (?, three difi'erent views 



of the same specimen. 



From the Trenton lime- 



GQ^lCaLrTcLdcL^^ ' stone formation. LL c. 



