851 



Raph. 



(only partially exposed) from very low Trenton, perhaps 

 Chazy beds. In Blair Co., Martinsburg, Spec. 207-,l-2, from 

 Chazy limestone. II 5, // <?, /// h. 



Raphistoma planistria. (Hall. Pal. N. Y. Vol. 1, 1848, 

 II«3. ^^^i^ Chazy.) Scalites plants tr ia^^mmons^ Amer. 



Geol. I, ii, 159, plate 4, figs. 16, 17 ; surface 

 marked lengthwise with distinct, fiat striae, 

 ^^ • 17 PI.4- and arched in the middle of the whorls- 

 mouth narrow and triangular. Calc. sand. Emmons., II a ; 

 II b. Hall has a variety S. parvurn, also in lib. 



Raphistoma praevium, Whitfield. Bull. Amer. Nat. Hist. 



N. Y. Vol. 2, 

 No. 2,page 52, 

 plate 8, figs. 

 5, 6, 7, upper 

 under and 

 profile views 

 of a la rg e 



u/t -'^fc^-^^^ '^m^^m^ f ^w ■■ . specimen, 



WKu, ^^'^^^^^ B.„.A.„. '^^^^^ vol.Z.xv ^ PI.5 showing the 



speci/lc peculiarity, a very broad umbilicus. Very numerous 

 in Calciferous sandstone, at Beekmantown, N. Y. II a. 



Raphistoma stamineum. H. D. Rogers' Geology of Penn- 



11 rr a«^--^ II .— >, sylvania, 1858, 



n.a,,^,i^^^ n-a.^^^S::^ page 817, fig. 594. 



(See Hall's Pal. 

 N. Y. Vol. 1, 1847, 

 plate 6, fig. 5.) 



.^^^, , .. -^Ts^-Kw Chazy formution. 



Raphistoma striatum. {Maclurea striata.) Emmons, 



U .^^^^^^^^^P*^*^ Geology of the Second District of 



New York, 1842, page 312. fig. 84, 

 3. Chazy formation. II b. 



