MARYLAND GEOLOGICAL SURVEY 55 



1876. 



Hachewelder, John (W. C. Reichil, editor). Names which the 

 Lenni Lennapi or Delaware Indians gave to Rivers, Streams and Local- 

 ities within the states of Penn., New Jersey, Maryland and Virginia, 

 with their signification. Nazareth, 1872. 



Trans. Moravian Hist. Soc, vol. i, Nazareth, 1876, pp. 225-282. 



Originally published 1834, Trans. Amer. Phil. Soc. (title spelled differently). 



1877. 



Lewis, H. C. On the Optical Characters of some Micas. 



Printed from Proc. Min. and Geol. Sect. Acad. Nat. Sci., Phila., Oct. 22, 1877. 



1878. 



Lesley, J. P. [On Orthoceras from Frazer Point on the Susque- 

 hanna.] 



Proc. Amer. Phil. Soc, vol. xvii, 1878, p. 312. 



1879. 



Frazer, Persifor, Jr. Fossil (?) Forms in the Quartzose Rocks 

 of the Lower Susquehanna, with plate. (Read Apr. 4, 1879.) 

 Proc. Amer. Phil. Soc, vol. xviii, 1880, pp. 277-279. 



1880. 

 Frazer, Persieor, Jr. The Geology of Lancaster County, Pa. 



Kept. 2nd Geol. Surv. Pa. CCC, Harrisburg, 1880, atlas. 



Lewis, H. C. On Jurassic Sand. 



Proc Acad. Nat. Sci., Phila., vol. xxxii, 1880, p. 279. 



1881. 



Johnston, George. History of Cecil County, Maryland, and the 

 •early settlements around the head of Chesapeake Bay arid on the dela- 

 ware river, with sketches of some of the old families of Cecil County. 

 Elkton, 1881. 8vo. 548 pp., i-xii map. 



1883. 

 Lesley, J. P. The Geology of Chester County, Pennsylvania. 



Eept. 2nd Geol. Surv. of Pa. C-4, Harrisburg, 1883. 



Smock, J. C. The Useful Minerals of the United States. 

 Mineral resources U. S., 1882, Washington, 1883, pp. 664, 690-693. 



