NOTES 



ON THE 



LOCUSTA 



SEPTENTRIONALIS AMERICANS DECEM SEPTIMA. 



BY NATHANIEL POTTER, M,D, 



PROFESSOR OF THE THEORY AND PRACTICE OF MEDICINE, IN THE UNIVERSITY 

 OF MARYLAND, &C. &C. 



" Still the green soil with joyful, living 1 thing's 

 Swarms : the wide air is full of joyoustfing-a, 

 And myriads still are happy in their sleep." 



BRYANT. 



BALTIMORE: 



PRINTED BY J. ROBINSON. 



| 



1839. 



