Modi. 



412 



Modiolopsis terminalis, Hall. Pal. N. Y. Vol. l.—IIIh, 

 Modiolopsis trentonensis, Hall, Pal.JJNew York, Vol. 1. 



He. jtss^ ^mm^^mm s^>^ ^ (l^^'^- Trenton. Tel- 



Hinomya trentonensis^ 

 Emmons Am. Geol. I, 

 ii, page 170, plate 14, 

 fig. 4; thin shell; sur- 

 face marked by fine 



, .„„i,,„„,,, ,,„, „ concentric lines; shell 



^'•'^•near the front end 



rather thick and cylindrical. Note. This may Ibe the species in 



C. E. Hall's collections of 1876, from Trenton limestone beds 



on the Little Juniata. — II c, 



Modiolopsis truncatus, Hall, Pal. New York, Vol. 1. 1847- 

 ^^- ~^.^m^mMi§^^^^^^ Hud. Riv. group. lyonsia 



suhtruncata., D'Orb. Emmons 

 Am. Geol. I, ii, 1855, 171, plate 

 17, fig. 4 ; beak near the front 

 ^mX^^^^^^^^^^^^^^^-*'^"^ PI. 17. end which has the muscular 

 scar. — Loraine {Hudson River) shale formation. South-west- 

 ern Virginia. (Emmons.) — Illh. 



Modiomorpha alta. ( Cypricardites alata, ) Hall, Geology 

 lyj^ammm^mmm^ of the 4th District of New York, 1843, page 



48, fig. 6, 3. {Cypricardia alata), {Unio 

 primigenius^ Conrad.) — More abundant at 

 ^ .^.^ ,. Lockport, N. Y., than elsewhere. (Hall.) — 



^^^^^^^^ Of Medina., VI 



Modiomorpha alta. (Cypricardites alta. Conrad, Ann. 



Rep.N.Y. 1841.) Fig. 

 from Hall, Pal. N. Y. 

 Vol. 5, plate 37, fig. 

 11. Hamilton. — 

 Claypole's list of fos- 

 sils in Perry Co., Pa. 

 F2, Cat. Spec. 5-167, 

 collected at Barnett's 

 mill near N ew Bloom- 

 field, from Hamilton 

 upper shale., VIII c 



.37. 



