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Butlalo, 14. Y. 
- P^'f' & 
(Mogiaf £umjj of tbo $tate of §*w fork. 
PALEONTOLOGY: 
Volume VIII. 
AN INTRODUCTION TO THE STUDY 
OF THE 
GENERA 
OF 
Paleozoic Brachiopoda. 
Part I. 
BY 
JAMES HALL, 
STATE GEOLOGIST AND PALEONTOLOGIST. 
ASSISTED BY 
JOHN M. CLARKE. 
ALBANY, N. Y.: 
CHARLES VAN BENTHUYSEN & SONS. 
1892. 
, 
