TRASSACTIONS OF THE 



CONNECTICUT ACADEMY OF ARTS AND SCIENCES 



IXCORPOBATED A. D. 1799 



YOLDME 21, PAGES 201-313 MARCH, 1917 



The American Species 



of 



Marciiantia 



BY 



ALEXANDER W. EVANS 



NEW HAVEN, CONNECTICUT 



1917 



