SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 48, FL. XV 
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32. Section through the outer portion of the broad feather vane in a hand-remex parallel to the curved 
fibers of Bubo maximus, showing the down on the upper side. Magnified 1:12 
33. Section through the middle of a hand-remex of Budo maximus, perpendicular to the secondary 
quills. Magnified 1:7 
