(jil 
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THE BROOKLYN INSTITUTE OF ARTS AND SCIENCES 
BROOKLYN MUSEUM 
SCIENCE BULLETIN 
VOL. 3, NO. 2 
SOUTH AMERICAN ARACHNIDA, CHIEFLY FROM THE 
GUANO ISLANDS OF PERU 
BY 
RALPH V. CHAMBERLIN 
-^^^^^^^ 
Published by the 
BROOKLYN MUSEUM 
EASTERN PARKWAY, BROOKI,YN, N. Y. 
SEPT. 27, 1920 
