MORGAN EXPEDITIONS, '70-'71, 



Ch. Fred. Hartt, in Charge. 



YA\.— Contributions to the Geology and Physical Geology of 

 the Lozver Ama::onas. The Ererc—Monte-Alcgrc Dis- 

 trict and the Table -Topped Hills. By Ch. Fred. 

 Hartt. 



XXIII.— 6>;/ the Devonian Brachiopoda of Erhe, Province of 

 Para, Brazil. By Richard Rathbun. 



[From the Bullelin of the Buffalo Society of Natural Science, January, 1874.] 



