456 N. II. DAKTOiN — CATALOG OF PHOTOGRAPHS 



964. Contorted gneiss, Schuylkill river near Lafayette station, Pennsylvania. 



965, 100L Cut on Schuylkill Valley railroad, showing "creep," Pennsylvania. 

 990. Syncline in mammoth beds, Hollywood colliery, Hazelton, Pennsylvania. 



1001, 1002. Contorted gneiss, Spring Mill, Montgomery county, Pennsylvania. 



1003. Anticline on Schuylkill river near Port Clinton, Pennsylvania. 



1008. Contorted gneiss of Wissahickon creek, Pennsylvania. 



1012. Stripping at Hollywood colliery, Hazelton, Pennsylvania. 



1028. Fold in slate quarry, Bangor, Pennsylvania. 



1031, 1032. Shales broken down by superincumbent weight or creeping near Co- 

 lumbia, Lancaster county, Pennsylvania. 



1038. Synclinal fold in Cambrian limestone, York, Pennsylvania. 



1042. Cambrian limestone, Earnest station, near Morriston, Pennsylvania. 



1044. Potsdam quartzite, Smith's quarry, Edge Hill, Montgomery county, Penn- 

 sylvania. 



1130. Folds in Cambrian near Hampton, Tennessee. 



1131. Compressed anticlinal fault plane in Nashville sandstone, Little River gap," 



Tennessee. 

 1133. Cliff of Cambrian sandstones, southern side of Doe River gorge, near Hamp- 

 ton, Tennessee. 



1162. Plicated slates, near Wells post-office, Rutland county, Vermont. 



1163. Summit of anticlinal fold, near West Arlington, Vermont. 



1193, 1194. Contorted and plicated slaty limestone, bed of Cedar creek, near 



Natural bridge, Virginia. 

 1195. Folds in Cambrian shales, northern bank of Cedar Creek, near Natural 



bridge, Pennsylvania. 

 1209, 1210. Arched strata on Chesapeake and Ohio canal, near Hancock, West 



Virginia. 



1211. Anticline in Lewiston limestone, South branch of Potomac river, near Hope- 



ville, West Virginia. 



1212, 1213. Anticline of Tuscarora quartzite, Panther gap, Virginia. 



1214. Arch of Upper Silurian quartzite forming the " Rainbow " at Iron gate, near 



Clifton forge, Virginia. 



1215. Overthrown fold of Upper Silurian quartzite in Eagle mountain, Virginia. 



1391. Anticlinal fold, Animikee slate, Pigeon point, lake Superior. 



1392. Folded Halla-flinta, Naerodal, Norway. 



1393. Gneiss, Stony Point-on-the-Hudson, New York. 



1394. Slate, showing bedding, cleavage, and rigid calcareous layer, Bangor, Penn- 



sylvania. 



1395. Quartz-schist with stretched tourmaline, Shoemaker's quarry, Green Spring 



valley, Baltimore county, Maryland. 



1396. Slate, showing cleavage and faulting, Bangor, Pennsylvania. 



Fossils 



328. Carboniferous rocks, southern shore, Joggins, Nova Scotia, showing erect 



Sigillaria 

 597. Shell beds in Chesapeake formation on Patuxent river, Jones' wharf, Saint 



Marys county, Maryland. 

 685. Daemonelix beds in Loup Fork formations near head of Little Monroe canyon , 



Sioux county, Nebraska. 



