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Wing's Discoveries in Vermont Geology. 



Middlebury) Marble Quarry, half a mile west- by- south from the 

 quarry, across a small stream, there is a thin bed of limestone 

 dipping to the east 70° or 75°, underlaid on the west by six or 

 eight feet of dark fine-grained quartzyte holding IScolithi At 

 this place ten or twelve specimens of a small Orthoceras occur, 

 weathered out over the exposed surface of limestone near the, 

 place of contact with the quartzyte. The Orthocerata are 

 tapering in form, three to five lines in diameter and one to two 

 inches long, and have very fine close septa. The species is very 

 much like the Calciferous Orthoceras figured by Hall in the 

 New York Report. 



11yd; 

 although only worn sections. Expecting 

 that Mr. Wing would describe the Ortho- 

 ceras, and also hoping that I should re- 

 ceive from him a specimen (which only 

 long working with a quarryman's tools 

 could safely "dig out), I took no satisfac- 

 tory notes at the time. Through the 

 kindness of Professor H. M. Seely, I 

 have had " squeezes" from three of the 



of septa is from ten to thir- 

 teen in a quarter inch, that is forty to 

 fifty - two in an inch ; and I have also 

 received drawings made on the spot by 

 Miss Parker. The accompanying three 

 figures are from these drawings and the 

 squeezes. They are natural size; and 

 Professor Seely observes that there are 

 indications, though doubtful, that the 

 upper end of No. 1 may have been half 

 an inch longer. The figures are restora- 

 tions only in having part of the septa more entire than in the 

 specimens. 



They show that the species is much like Orthoceras prin 

 Hall, but that part have a slight curve. .Mr. Wind's earliest notes 

 on this locality among those in my hands, occur in a h-tter duted 

 October, 1867.* 



Half a mile northwest of the Orthoceras locality and two 

 and a half miles northeast of Middlebury village, and appar- 

 ently in the same formation with the last," there are specimens 

 resembling Ophileta compacla ; there was also found here a 



* I repeat here that the paragraphs in smaller type consist of remarks by the 



