177 



Cypr. 



Cypricardinia inflata. {NucuUtes inilata,) Emmons, 

 %\\,^^^^ Geology of the Second or Northern district of 



New York, 1842, page 395, fig. 106, 2. A rare 

 species found at Watertown, N. Y., in the 

 Trenton limestone^ the lowest formation in 

 which any of the numerous species of the 

 somewhat allied genus Pterinea exists which 



furnishes so many species to the Palaeozoic 



EJ06^^^^2. formations. (Emmons.) — II c. 



Cypricardinia lamellosa (Hall, Pal. N. Y. Vol. 8, 1859, p. 



y\^^^' ^..g^^^^ ^^^' plate 49 A. fig. 1 a, natural size^ lb en- 

 la. i^^} )^% larged three diameters^ Ic^ (another speci- 

 ^^ ^^^^^^ ^^^^ w^s twice the size of this one) ; with 

 y.PMliM.y. iM Pi.49rj, Spirifers, Rhynchonellas & Atrypas, in the 

 Lower Helderlerg shaly limestone^ Albany county, N. Y., FZ 

 — Found in Perry county, Pa., by Olaypole (Report F2, pre- 

 face) in Chemung strata. VIII g. 



Cypricardinia P characterizes a bed (with Orthis^ etc.^) 



in lower Pocono or upper CatsJcill^ at the east mouth of Side- 

 ling hill railroad tunnel, E. Broad Top RR. Huntingdon Co., Pa. 

 (T3, p. 87.)— /XorX 



Cypricardites amygdalinus. {Ambonychia amygdalina. 



tab ifti^ j^^^^^ HalLPal.N. 



Y. Vol. 1, 

 1847, Black 

 river and 

 Tr e n t n 

 group.) Em- 

 mons Am. 

 Geol. I, ii, 

 177,platel3, 

 figs. 20, 21, 

 of a Gast^ 

 with smooth 

 surface and 

 a few ob- 

 scure undu- 

 Em. A. a 1855. IW P'J^ lations. He 

 calls the shell Posidonomya amygdalina^ using Brown's Euro- 

 pean generic name. — II c. 

 12 



