OF THE SERGIPK-ALAGDAS BASIN OF BRAZIL. 



397 



One of these cephalopods, however, Ammonites (Buchiceras) Jiarttii, Hyatt, as it 

 appeared afterwards, came from the locality known as Bom Jesus. The Jurassic 

 aspect of this fossil and the eroded condition of the specimens led Prof. Hyatt to 

 suggest the possibility of its having been transported from some older deposit. 



The section criven herewith shows the relation of the Bom Jesus beds to others 

 of this group. 



Iaranqeihas 



SECr/ON 



Bom Jesus 



/?/<? SfHQ/P£r 



SECTION 





IaV^c 



ANQ0RINH;?S 



/ 



:t 





InibIra 



Porto DOS BflRcos, 

 TRflP/criE OAS PedR/^' 



COQUEIRO, /ARAf A. 



GahajAu 



/^RDEIRA- 



Lastro 

 Jhque 





"= ITyRBAlANA- 



cv.. 



N 



Three sections in the Sergipe-AlagOas basin. (The heavily shaded beds yield fossils of Jurassic aspect.) 



The Bom Jesus beds occur in ihe hilltops oast of the town of Larangcira.s. The 

 rocks are earthy, arenaceous limestones which arc readily attacked by disintpgrating 

 agencies, and have, therefore, been raiiiilly cotivi rted into residuary earths. The 



