128 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. J2 



On a group of low rocks to the northwest of Miles Island is a 

 peculiar arrangement of figures. On one side of a tectiform rock 

 are two concentric circles with radiating spokes, a cup, and two semi- 

 circular concentric grooves, while on the ridge and extending down on 

 the opposite side of the roof-like rock is a figure that might represent 

 an animal. 



During the same trip. Mr. Baer spent several days on Alount 

 Johnson Island, Susquehanna River, and on the near-by flats below 



Fig. 131. — Petroglyphs on Miles Is- 

 land, Susquehanna River, Pa., near 

 Mason-Dixon Line. 



Fig. 132. — Petros>lvphs, Bald Friars, 

 Md. 



Peach Bottom, Lancaster Co., Pa., seeking further evidences of the 

 bannerstone workshop in which he has been interested for a number 

 of years. He brought back with him a number of broken and unfin- 

 ished slate bannerstones, flint pecking stones, polishing stones and 

 other utensils showing evidences of a considerable sized workshop on 

 the island. A synoptic series from this workshop showing the differ- 

 ent stages in the manufacture of the bannerstone has been placed on 

 exhibit in the Pennsylvania case in the American Archeological col- 

 lection of the National ^luseum. 



