NOS LL SMITHSONIAN EXPEDITIONS, IQIO-I9QII 49 
é ee Pima wd: 0 JAS Se 
Bas re a Sas fee : POR PLS ee oe 
;. 53.—Pool near Chain Bridge, containing many Black Bass and other fish, 
Fic. 53.—Pool near Chain Bridge taining y Black B 1 other fisl 
connected with the Potomac only in very high water. Photograph by Weed. 
Fic. 54.—Trammel’s Pond, one-fourth mile from Potomac River and one- 
half mile from Difficult Run. This pond is nearly alive with elusive Black 
Bass. Photograph by Weed. 
