

MONOGRAPH 



OF THE GENUS 



A M P U L L A R I x\ 



' He looks abroad iuto the varied field 

 Of Natnre, and though poor perhaps, cunipared 

 With those whose mansions glitter in his sight, 

 Calls the delightful scenery all his own, — 

 His own the monntains, and the valleys his, 

 And the resplendent rivers." — Cowprr. 



