Proceedings Am. Philos. Soc. Vol. LII. No. 209 



Plate V 



j^ 



A. J'"lutL'(l and pitted granodiorite near Quixada, Ceara. E. Leib, phot., 



IQII. 



B. Pitted granite between the ^,tations of Junco and Quixada. E. Leib, 

 phot., igii. 



