7?M^^Jt7: ^cxcA^^y^ 



(S^oloflkal ^\mt^ of tUe ^tate of %m forfe. 



PALJ3]0NT0L,(^,g,X.:v. 



Volume VIII. 



AN INTRODUCTION TO THE STUDY 



GBN ERA 



Paleozoic Brachiopoda 



Part I. 



JAMES HALL, 



STATE GEOLOGIST AND PALEONTOLOGIST. 



ASSISTED BY 



JOHN M. CLARKE. 



ALBANY, N. Y.: 



CHARLES VAN BENTHUYSEN & SONS. 



1892. 

 C. 



