VOL VIII. 



t. iattli\Jfli&Jf JJtJPimii 



j Silurian Bryozoa..) 



PL XXXV. 



E.O U.&C.S del et nth. 



A.K Worthen dir 



ThaKrebs Lith.Co. Scisnffic Pub.Cirv.O. 



