Proceedings of the Boston Society of Natural History. 
VoL. 30, No. 6, 
p. 451-513, pi. 5-8. 
MONOGRAPH OF THE ACRASIEAE. 
By Edgar W. Olive. 
BOSTON : 
PRINTED FOR THE SOCIETY FROM THE- 
GURDON SALTONSTALL FUND. 
August, 1902, 
