264 



PROCEEDINGS OP THE GEOLOGICAL SOCIETY- 



[Dec. 14, 



fication or foliation, but not unfrequently passing into amorphous 

 masses (see Map, fig. 1). 



Fig- 1. — Sketch-map of a part of the vicinity of Bahia. 



^cahrito 



The direction of the general line of upheaval clearly coincides with 

 that of the above range of hills, being N.E. and S.W. ; the dip of 

 the gneiss, where it can be well made out, being always to the N.W. 



In Itapagipe Bay, near Cabrito, there is a white sandstone, inter- 

 stratified with shale, the dip of which is also to the N.W. It forms 

 a low hill, running nearly parallel with the gneiss bills, at a distance 

 from the latter of three or four hundred yards in the direction of 



Fig. 2. — Section across the Gneiss Hills north of Bahia. 



E. Cabrito. Plantaforma. W. 



a. Gneiss, b. Sandstone and shale, c. Conglomerate, d. Fossiliferous shale. 



the dip (fig. 2). No organic remains have yet been discovered here ; 

 but this deposit has not been carefully examined. 



At a distance of about two miles from the gneissose range, and 

 running parallel with it, is the isolated hill of Montserrate (see 

 Map, fig. 1), which extends for nearly a mile in length, and ranges 

 in height from about 25 to 150 feet. The rocky cliff forming the 



