INDEX. 



425 



Notice of a geological examination of the country between Fredericks- 



burg and Winchester, ..... 





dvo 



Nuttainia, ....... 





J.UO 



Observations on a portion of the Atlantic tertiary region, 





335 



Organic remains, characterizing the upper transition of middle Ten- 





nessee j 





94/1 



vvAiii-ii L/iictuxoLCii/iC tile LraIXDXLJ.Ull aciltrS OI XnG 



valley 







248 



OrtTi Of* Am 







OrthoceratiteSj 





94 S 



Orycteropus, teeth of, ...... 





44 



Os ilium of thp IVrporalnTivx lannpfitn«s r!p«5Printinn a-T 





347 



r f\ n "vi /loo 



Jl tL£arUU^U.C)3, . • • . . . . 





1 0'i 

 xuo 



characters of the genus, .... 





264 



tridrLiir ub ..... 





264 



U>JL UCbLLiO, ...... 





265 



bUdJ. dUUiCiCo, • • . • . 





266 



Pecten armigerus, 





9RS 







9^R 









X>C<tU.iXlUlll.il, • . • ■ . 





257 



PentremiteSj remarks on the genus j its geognostic position, . 





225 



opvpTi Vnown fiiTippiPS ot 





228 



globosa, 





228 



pyriformis, ..... 





228 



lXiJIIaJ.lb, • • ■ * ■ . 





229 



\J V CtXIS , . . • • . a 





229 



X^t:x Ucllblb', . • • . • 





229 



ellipticus , . . . • ■ . ■ , 







Reinwardtii, . . 





99Q 



Phytolithites, ....... 







Pipe ore, ....... 







Pisces, fossil, ....... 





oo 



Pitch coal vein, ....... 







Flesiosaurus, . ■ . . . . . 











979 



mineral charcoal from, 





273 



iron ore from, .... 





264 



over the Alleghany mountains, 





<*oi 



outline map of, ... . 





251 



profile or crest line of, . . . 





251 



coal measures of, . 





251 



Productus confragosus, . . 





268 



Scoticus, ...... 





268 



suleatus, . . . . . . 





268 



Radiaria, 





269 



Rappahannock gold mines, ..... 



147, 



157 



Rayatown branch, coal vein of, .... 





185 



I.— 3rD 



