50 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 60 
ones. Among the objects of especial interest collected are a few 
fragmentary jaws representing a new species of dog as large as 
the largest living wolves, but with more the character of the fox, or 
jackal; and a series of upper cheek teeth representing a large extinct 
species of antelope very closely related to the eland now living only 
in Africa and the largest of all the antelopes.' The deposits were not 
exhausted and it is intended to continue the examination as further 
exploration will doubtless add new treasures to the list. 
a 
= SAS. pace aera: 8 
Fic. 55.—Upper Ordovician shales, showing bedding and cleavage, Western 
Maryland Railroad, west of Williamsport, Md. Photograph by Bassler. 
MAPPING THE GEOLOGICAL STRATA AND COLLECTING FOS- 
SILS IN THE VALLEY OF THE APPALACHIAN MOUNTAINS 
During the summer of 1912, Dr. R. S. Bassler, curator of paleon- 
tology in the U. S. National Museum, spent eight weeks in the Ap- 
palachian Valley of Pennsylvania, Maryland, and Virginia, in map- 
ping the rock-strata and collecting fossils. The principal object of 
this work, which was under the joint auspices of the Maryland 
*Mr. Gidley’s description of this extinct American Eland is to be found in 
Smithsonian Miscellaneous Collections, Vol. 60, No. 27, March 22, 1913. 
