University of the State of New York 



MEMOIRS 



NEW YORK STATE MUSEUM 



VOL. I. NO. 1. OCT., 1889 



THE DEVELOPMENT OF SOME SILURIAN BRACHIOPODA 



WITH EIGHT PLATES 



CHARLES B. BBBCHEB JOHN M. CLARKE 



coKsuiTuia TiLwotamMOt or n* btate kduum absutant statu palehxtolooibt 



ALBANY 



UNIVERSITY OF THE STATE OF NEW YORK 



1889 



