AMERICAN 



JOURNAL OF SCIENCE AND ARTS. 



[THIRD SERIES.] 



[Continued from page 347.] 



In the preceding part of this paper the discoveries have been 

 announced of Trent*. ■ limestone in North 



Castleton, Hubbardton, and Sudbury, within the area of the 

 "great cen: East Cornwall just east of the belt; 



east of the village of Shorehara; in Eastern Orwell; in Middle- 

 bury, and north of East Cornwall— indicating a north-and-south 

 area of Trenton limestone either side and underneath the slate, 

 and showing the slate to be probably the Hudson River shales ; 

 of Chazyjossils at West Rutland ; in East Cornwall ; northeast of 

 the village of Orwell ; in West Cornwall ; in North Cornwall at 

 Ellsworth Ledge ; at Wey bridge Upper Falls northwest of Mid- 

 dlebury ; of Quebec fossils, south of the East Cornwall locality 

 of Trenton fossils, and in North Cornwall at Ellsworth Ledge ; 

 of Calciferom fossils near the borders of West Con 

 Bascom's Ledcre ; in Northeastern Shoreham at Mutton Hill 

 and also in another fold near by (affording a small spec.es of 

 Orthoceras, etc.) ; near the border of West Cornwall at Bascom s 

 Ledge, and at Barbour's Ledge in South Bind port. 



The Eolian limestone extends north through Middlebury 

 and New Haven and terminates in Monkton, and affords other 

 fossils in its northern portion. 



6. Northern Middlebury, New Haven, Monkton. 



About two miles north of Middlebury, a few rods east of the 

 road running by Messrs. Hammond's to the Severance (or Old 

 Am. Jour Sci -Third Sbries, Vol. XIII, No. 78.-Jcm, 1877. 



