Rhyn. 



890 



R. hubbardi, WInchell, 1862, Waverly, X 

 R. huronensis, Winchell, 1862, Portage. VIII f, 

 R. hydraulica, Winchell, 1882, Z. Held, VI. 

 R. ida, Hartt, 1868, Acad. Geol. Subearb. XI 

 R. illinoisensis, Worthen, 1884, Garhonif. XLII 

 Rhynchonella increbescens, Hall. Geol. Canada, 1863, 

 •f/ ,v ^ ^ e^ Pa?e 1^8, fig. 153, a, 6, c?. (S. A. Miller 



says ^'a synonym for Rhynchonella 

 ,^ capax^ Trenton limestone of Canada 

 In Pennsylvania, reported by H. D. 

 Rogers, GeoL Pa., 1858. Also, by 0. E. Hall, 1876. He. 



R. indentata, Shumard, 1859, Permian. 



Rhynchonella indianensis, Hall. Trans. Albany Insti- 



INDJ86L ^^m^ n\.26.J7 



tute. Vol. 4, 1863. Niagara. Figs, from Collett's Indiana 

 Report of 1881, page 306, plate 26, figs. 12 to 22, a species re- 

 sembling R, neglecta of the New York Niagara formation, but 

 larger and more robust, with stronger and rounder folds, and 

 associated with a more finely plicated species which is supposed 

 to be R, neglecta, Vh. 



Rhynchonella lacunosa. For -figure see under Atrypa 

 lacunosa^ where it is wrongly so named. (Whitfield, 1889.) 



Rhynchonella (Stenoschisma) leevis^ new species^ Simj^- 



son. Trans. Amer. Phil. Soc. Philada., 1889, page 



vr ^^ 443, fig. 8, based on Specimen 506-9, collections 



at Bell's Mills, Blair Co. Pa. — Shell ovate or 



subtrigonal ; valves subequally convex in young 



shells ; in older shells the dorsal valve usually 



the most gibbous. The width is slightly less than 



'the height; greatest width about two-thirds the 



length from the beak; margins from the apex to this point 



slightly curved outward, nearly straight, then somewhat ab- 



A.P,S 



