Annex 



PS 



THE GENEROUS FRIENDS OF SCIENCE 



IN 



BOSTON AND CAJICRIDGE, 



TnilOL'GH WHOSE LIBERALITY THE TRAVELS 



H E U E I N D E S C U I B E I) A\' E R E MADE, 



THIS VOLUME 



Cs lirsprrtfiilU) Drliicntc:). 



