VIRGINIA CARTOGRAPHY. 59 



a map of the peninsula between the bays of Delaware and Ches- 

 apeake in 1778; was the author of a magnetic atlas in 1790, and 

 other works of a similar character, which brought him into 

 prominent notice among learned men in Europe and this country, 

 with whom he maintained an extensive correspondence. He 

 twice visited Europe, where he received much attention and was 

 honored with an election as a member of several learned socie- 

 ties. He died at sea in 1805, on his last return voyage from St. 

 Petersburg." 



Also in " Appleton's Cyclopaedia of American Biography " : 

 "John Churchman, author, b. in Maryland; d. at sea, 24 July, 

 1805. He belonged to the Society of Friends and was noted for 

 his investigations into the causes of the variation of the mag- 

 netic needle. In addition to several philosophical treatises, he 

 also published a variation-chart of the globe, magnetic atlas, and 

 explanation (Philadelphia, 1790; London, 1794). He was a 

 member of the Imperial Academy, Russia, and was presented 

 with a set of its transactions. He died on the passage home 

 from Europe." 



A sketch of his life may also be found in Futhey and Cope's 

 History of Chester County, Penn., 1881, p. 495-496. 



1779. 



A new and accurate map of the province of Virginia, in North 

 America. 



{In Universal (The) magazine. 8° London, J. Hinton, lyyc). 

 V. 65. dec. 1779. facing p. 281.) 



1780. 

 A new and accurate map of Virginia and part of Maryland, 

 and Pennsylvania. Jno. Lodge sculp. London, J. Bczv, 31 dec. 

 1780. 



(In Political (The) magazine 8° London, for J. Bczv, 1780, v. i. 

 dec. 1780, p. 787). 



1780-1781. 



The marches of lord Cornwallis in the southern provinces, 

 now states of North America; comprehending the two Caro- 

 linas, with Virginia and Maryland, and the Delaware counties. 

 By William Faden. London, W. Faden, feb. 3, 1787. 



