512 Annals of the Carnegie Museum. 



A3. A very hard, dense sandstone containing many fragments of 

 Lint^ulf^. Full of ])yrite, by which mineral some of the fossils are 

 replaced. 7 feet = 11 feet. 



Li>ii;i//a brainerdi c, Orthoccras 'i\)., 



Eccylioptciiis ? sp., Isotclus Jiarrisi r. 



A^. Shale with thin layers and nodules of sandstone. 



3 feet 10 inches =14 feet 10 inches. 

 A.. Heavy-bedded, magnesian limestone, containing some sand. 

 Fossils numerous. Local unconformity. 



3 feet 9 inches = iS feet 7 inches. 



RJiiniiiictya fe nest rata r, Cam ere I la Ioi!i::[irostris c, 



Unidentified bryozoan r, Zvi^ospira ? acutirostris r, 



Or this aciitiplicata c, Archinacella ? propria r, 



Orthidiuin lamellosum c, hoteltis harrisi c, 



Hebertella sp. c, Tlialeops ovata r, 



Rafinesquiua alternata r, Pterygoinetopiis annulatus r. 



Ag. Thin-bedded, sandy dolomite with shaly partings. No fossils. 



3 feet 2 inches =21 feet 9 inches. 

 A^. Heavy-bedded, sandy limestone. No fossils. 



10 feet 6 inches =32 feet 3 inches. 

 Ag. Rather jnire, crystalline limestone in thin uneven beds. Fossils 

 few. Extends to top of bluff. Plate XXIV. 



8 feet 4 inches = 40 feet 7 inches. 

 At base : Isoteliis Jiarrisi r. Crinoid stems. 



The top foot is made up of fragments of shells which have evidently 

 been broken up by washing about on a beach. There is much crys- 

 talline calcite. 



Piixlloporina incepta r, Isoteliis harrisi c, 



Hebertella expoliata a, Leperditia canadensis r. 



Zygospira ? acutirostris c, 



Ay. Sandy magnesian limestone with a couple of one foot beds of 

 shale. Many fucoids. 7 feet 10 inches = 48 feet 5 inches. 



A,g. Shaly, impure limestone. No fossils. 



4 feet =52 feet 5 inches. 



Aj,. Impure, nodular limestone. The top of this zone marks the 

 top of Brainerd and Seely's zone Aj. 



4 feet 9 inches =57 feet 2 inches. 



