518 



AXXAI.S OF THE CaRNEGIE MusEU.M. 



RJiinidictya fenestra fa c , 

 Fhyllof^oriua iiieepta r, 

 Monotryf>rlla s]). c, 

 Bryozoan sp. ind. r, 

 Lini:;ula sp. ind. r, 

 Hebertclla vulgaris c, 



Rafiuesijitiiia alternata c, 

 Rafiues(]iiina iucrassata c, 

 Camaroto'cliia plena a, 

 Isotehis Iiarrisi c, 

 Leperditia canadensis a, 

 Entycliilina laiiniari^inafa c. 



A 



3.. riiin-bedded, jjure-black layers, with shaly partings and a few 



three- or four-inch beds of shale. 



10 feet =748 feet. 



RapJiistoina staniinruni r, 

 Isotehis Iiarrisi r, 

 Pliiuncrops eanadcnsis r, 

 Leperditia canadensis r. 



Alonotrypclla sp. c, 

 Lingnla sp. ind. r, 

 Plicsionys platys r, 

 Caniarota'chia plena c, 

 Canterella longirostris r, 



A.jg. Light-gray crystalline limestone. The top foot and a fifteen- 

 inch layer at the bottom are cross-bedded. The fossils are from near 

 the middle of the zone. 7 feet 4 inches = 755 feet 4 inches. 



Khinidictxa fenestrata r, Ainphilichas ini//ganensis r, 



Lingnla sp. ind. c, Leperditia canadensis c, 



Hebertclla vulgaris c, Eurychilina latiniargiuata r. 

 Caniarota'chia plena c, 



A3,. Impure fossiliferous limestone in thin layers. 



12 feet =: 767 feet 4 inches. 



Modiolopsis fabaforuiis r, 

 Raphistonia stainineuni c, 

 Bucania sulcatina r, 

 Isotelus Iiarrisi c, 

 Asaplius beta r, 

 Leperditia canadensis r, 

 Eurxchiliua tatimarginata c. 



Monotrypella sp. c, 

 Phxlloporina incepta r, 

 Lingnla sp. ind. r, 

 PlcEsioniys platys c, 

 Hebertella vulgaris c, 

 Canierella longirostris r, 

 Camarota'chia plena c, 

 Caniarota'chia major r, 



A^g. Coarse-grained, dark-blue limestone with many specimens of 

 LSueania sulcatina showing on the weathered surface. 



8 feet =775 feet 4 inches. 



Paleoeystifes tcnuiradiatus c, Maclurites niagnus r, 



Stxlanea parva c, Oithoceras sp. ind. c, 



Monotrypella sp. c, Lonchodonias lialli r, 



