348 Analysis of Ores from North Carolina. 
IN. percallosa. Spire convex-depressed ; surface with fine obsolete 
spiral strie, umbilicus. closed by a profound callus. Differs from JV. 
duplicata in having the umbilicus perfectly concealed, and in the de- 
pressed spire. I think this species occurs recent.on the southern coast. 
> INFunprsunuM. 
Infundibislum centralis. Chee asapase with fie concentric nog 
ular les ; apex,central. — - “! 
SORTA: ie 
‘Lonutires. } 
Lunulites denticulata. Prominently convex ; apex slightly _Promi- 
nent ; nd eli liptical, arra arranged in ees are 0 hace Be sle ender 
7 : qe Z iy 
fe nes coc ay aH Aaa 
L. pape: Suboval, convex-dépressed ; pores cist in size iat 
irregular in form; many of the larger pores filled with a minutely po- 
rous plate or diaphragm, solid in the centre; others denticulated on the 
inner 
- 
submargin; base granulated, and with very-numerous" minute 
ramose stri, slightly” oe eer fe Shes: neem 
Arr. os of care 1s Ores of L Lead. Silver, 
‘Zine, Tron, &c., fon Hines Hin. Listen Coui 
_ Carolina ; by Prof. James C. Boor 
aides Was contiiad? ‘antih i( fodel vel ne despite during t 
year, which promises liberally to reward the enterprise of those 
engaged in it. H pe f the vein only 
none from ‘the adjacent disliked vig he eee Pt 
psteatesecnag ‘The main body of the ‘ioe ie ee 
"To B. Suutwany dm oa Ae 
ae “Bee Lane eae vest gone. ssl 38 
si het he perf din my Ia on the si silver 
rn ey Aepengrs Soe y 
