Ulargiiu (^^"pebitbiT, 1870> 



CHAS. FRED. IIARTT, IN CHARGE. 



PRELIMINARY REPORT 



CRETACEOUS LAMELLIBRANCHS 



COLLECTED IX THE VICINITY OF 

 PEENAMBUCO, BRAZIL. 



By RICHARD RATIIBUN. 



From tlie rroceediiigs of the Boston Society of Natural Historj-, 1874, 



BOSTON, 



1875. 



