Farny illustrated three images for a story called “Among the 1,000 Islands” that appeared in the April 1878 issue of Scribner’s Monthly, Volume 15, Issue 6, pages 825-842. The magazine can be found in at least two places:
https://archive.org/details/sim_century-illustrated-monthly-magazine_1878-04_15_6/page/824/mode/2up
or https://babel.hathitrust.org/cgi/pt?id=coo.31924080769635&seq=839&q1=oven
The images appear on the following pages:
Page 828: Devil’s Oven, block by Henry Wolf
Page 833: Boys Catching Minnows, block by Henry Wolf,
Page 834: The Dock Where the Steamer “Peel” was Burned, block by Henry Wolf
The biography Life and works of Henry Wolf, a man who etched various Farny illustrations, helped me locate these: https://babel.hathitrust.org/cgi/pt?id=wu.89054773361&seq=27&q1=farny
