895 



Rhyn. 



ful Avicula emacerata^ and Sp, striata. G. B. S. 1889). Va. 



Rhynchonella neglecta, Var. scobina, Meek. Am. Jour. 

 8. & A. [3] Vol. 4, 1872. Clinton, Va. 



Rhynchonella nobilis, Hall. Pal. N. Y. Vol. 3, 1859, p. 



240, plate 43. figs. 3 a, 5, a young specimen with scarcely de- 

 fined sinus ; (?, d^ e^ /*, dorsal, ventral, front, and profile of an 

 individual of medium size, others are larger; J, cast of ventral 

 valve. Species always longer than jB. dbrupta, and shorter 

 than J?, campbellana ; also more gibbous in old specimens, 

 higher in front, and more finely folded than Barrande's Bo- 

 hemian Terebratula eucharis. Found in the Upper Penta- 

 merus limestone of the Lower Helderberg formation along the 

 Mohawk. — In Pennsylvania reported found in the Aughwick 

 Valley of Huntingdon. Geol. Pa., 1858. It has not been rec- 

 ognized by the Second Survey, in the Lower Helderherg rocks. 

 VL 



Rhynchonella nucleolata. (Hall, 10th An. Et. Pal. N. 



Y. Vol. 3, page 227, plate 33, figs. 1 e, 

 1 f (copied). Lower Helderherg). In 

 Pennsylvania, Perry Co., Clark's Mill, 

 Spec. 11,798 (three, one fair, the other 

 two small fragments of the interior) ; 

 Pi.sa 12,913 (good); 12,958 (5 very good). 

 Lower Helderherg^ shaly limestone. VL 



Rhynchonella nueula {Terelratula nucula) Sowerby, 

 1839, Sil. System. U. Sil. VL? 



Rhynchonella nutrix, Billings. Cat. Sib. Foss. Anticosti, 

 1866, p. 43. VLf 



