viii CONTENTS. 



ILLUSTRATIONS IN THE TEXT. 



FIG. PAGE 



1. Bartram's House in 1887 25 



2. Cypress Tree in Bartram Park 31 



3. Nether Stone of John Bartram's Cider Mill 38 



4. The Dana House. First Observatory of Harvard College . . . 229 



5. Prof. Morse's First Telegraph Instrument 240 



