336 GEOLOGY OF OHIO. 



State, who capture the common deer, and an occasional black bear and 

 wolf. 



Soil and Timber. — The soil is that which is characteristic of the well- 

 known "Black Swamp." The entire county is embraced in that tract. 

 It is mainly clayey, if not clay. Bowlders and stones are not common 

 on the surface. In the beds of the streams, though, there is no apparent 

 diminution. The banks of the Maurnee sometimes show a finely lamin- 

 ated clay, reaching, at some points in the county, ten feet in thickness, 

 forming the top of the Drift, and giving character to the soil. At other 

 places the laminated structure is wanting, and the soil embraces the 

 usual amount of gravel stones, or even of bowlders, the latter, when con- 

 cealed from the weather, almost uniformly showing the effect of glacial 

 action, and in that particular differing from those seen in more southern 

 counties. 



The following list of trees embraces those noted in the survey of the 

 county. It is doubtless not a complete list for the county : 



Quercus alba — White Oak L. 



Fagus ferruginea— Beech Ait. 



Populus monilifera- Cottonwood Ait. 



Quercus rubra — Red Oak L. 



Uknus Americana — Elm (pi. Clayt.) Willd. 



Fraxinus sambucifolia — Black Ash Lam. ^ 



Fraxinus Americana — White Ash L. 



Fraxinus quadrangulata — Blue Ash Michx. 



Juglans nigra — Black Walnut L. 



Carya alba — Shagbark Hickory ISTutt. 



Platanus occidentalis — Sycamore L. 



Salix nigra — Black Willow Marsh. 



Populus tremuloides — Trembling Aspen Michx. 



Tilia Americana — Basswood L. 



Quercus imbricaria — Shingle Oak Michx. 



Quercus castanea — Chestnut Oak Willd. 



Prunus serotina— Black Cherry Ehr. 



Morus rubra — Mulberry L_ 



Ostrya Virginica — Ironwood Willd. 



Acer saccharinum — Sugar Maple Wang. 



Cornus florida — Flowering Dogwood X,. 



Acer rubrum— Soft Maple L 



yEseulus glabra — Buckeye Willd 



Prunus Americana — AVild Plum Marsh. 



Populus grandidentata— Great-toothed Poplar Michx. 



Crataegus coccinea — Thorn j_, 



Quercus palustris— Pin Oak DuRoi. 



Quercus macrocarpa — Burr Oak Michx. 



