J. D. Dana—Hudson River Age of the Taconic Schists. 61 
This specimen clearly indicates a new genus, which may be 
called Sty/acodon, and the species represented, Stylacodon gracilis. 
With the genus Stylodon, this form evidently constitutes a 
distinct family, which may appropriately be termed the 
Stylodontide. The present specimen indicates an animal some- 
maller than a weasel, and probably insectivorous in habit. 
Yale College, New Haven, June 18th, 1879. 
Art. XIL— On the Hudson River Age of the Taconic Schists ; 
James D. Dana. Supplement. 
In the preceding part of this paper, the courses of the bedding 
of the rocks are indicated only in a general way. In this supple- 
ment, I give the results observed in Dutchess County as to strike 
and dip, together with some other omitted details. 
eiss. 
At East Mills, 43m. S.E. of Poughkeepsie, es ne sation 
Wappi 3 trikes N. 39°-40° E., dip 75° E. (that is, e 
ppinger Creek, strikes _E., dip : = ob a bowed 
' and at the quarry near the river, about 200 yards from the south- 
eastern limi, N. 24° E., dip 60° E. At Salt Point, according to 
Professor Dwight, N. 26° E., dip 70°-85° WwW. Southwest of Wil- 
low Brook 2 m., limestone N, 19° E., dip 50°-60° E.; a mile east 
