203 



It. In. 

 7 — Compact, hard, coarsely crystalline limestone containing Bajines- 



quina 7 



6— Shale 10 



5 — Blue crystalline limestone. Rafinesquina 4 



4— Shale 6 



3 — Crystalline limestone with Rafintsquina, Platydrophia, Monticuli- 



pora, etc 6 



2 — Talus with immense number of fossils 85 



1 — Covered to the level of the river. Dalmanella abundant in the 



loose pieces near the bottom 180 



Total section 393 



On the north side of Laughery Creek, opposite Hartford, the following 

 section was measured : (§ 1.36 A.) 



Ft. In. 

 34 — To top of the hill, loose pieces of limestone containing riatystro- 



phia and Hebertella 60 



33 — Thin bedded limestone 5 



32 —Covered 2 8 



31— Same as 29 3 



30— Shale * 4 



29 — Limestone with argillaceous streaks 5 



28— Covered 2 8 



27 — Hard compact limestone 4 



26— Covered 8 



25 — Coarse-grained cryotalline argillaceous limestone 4 



24— Covered 6 



23 — Limestone containing Gastropoda and Rafinesquina 6 



22— Covered 5 



21— Same as 18 3 



20— Covered 1 



19— Same as 18 4 



18 — Limestone coarsely crystalline, light colored 3 



17 — Sandstone 3 



16— Same as 14 2 



15— Same as 14 . . 4 



14— Drab crystalline limestone 3 



13— Covered 6 



12-Same as 10 5 



11— Covered 6 



10 — Thin-bedded crystalline limestone 6 5 



9 — Covered 1 4 



8 — Coarse crystalline limestone 6 



7— Covered 6 



