/nfTÍAM?, 



THE 



AMERICAN NATURALIST 



A MONTHLY JOURNAL DEVOTED TO THE 



NATURAL SCIENCES IN THEIR 



WIDEST SENSE 



REPRINT 



Vol. XXXIII, No. 391. July, 1899. 



BOSTON 



GINN & COMPANY 



Cfoe &tl)enmtm prrss 



1899 



