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PALEONTOLOGY 
VOLUME VIII. 
AN INTRODUCTION TO THE STUDY 
-• / 
GENERA 
Paleozoic Brachiopoda 
Parx II. 
in* 
JAMES HALL, 
STATK GEOLOGIST AND PALEONTOLOGIST. 
ASSISTED BY 
JOHN M. CLARKE. 
ALBANY, N. Y.: 
CHARLES VAN BENTHUYSEN & SONS. 
