https://archive.org/details/americanjournalo5186970tryo/americanjournalo5186970tryo?view=theater&ui=embed&wrapper=false
American journal of conchology : Tryon, George W. (George Washington), 1838-1888 : Free Download,...
Vols. 3-7 published by the Conchological section of the Academy of Natural Sciences of Philadelphia
american journal oftryon george