BRANNEU: THE STONE REEFS OF BRAZIL. 277 



PLATE 8. 



The reefs from Santa Cruz to Comoxatiba, State of Bahia. From the Hydrographic 

 Chart; with additions showing the stone and coral reefs. See page 25L 



PLATE 9. 



Part of the Hydrographic Chart, siiowing the Lixa, Parcel das Paredes, and 

 Abrolhos coral reefs. See pages 251-257. 



PLATE 10. 



Abrolhos Islands : a part of tlie Hydrographic Chart. The submarine contours are 

 drawn iu from the soundings. See pages 256-258. 



PLATE 11. 



The Tertiary (?) cliffs at Barreira do Camaragibe, State of Alagoas. At the base 

 of the bluffs the rocks are buff and gray ; the same beds higher up are brightly 

 colored. Photograpli taken from ledge exposed at low tide. See page 19. 



PLATE 12. 



Tertiary (?) sandstones and shales a mile south of Barreira do Camaragibe. The 

 upper parts of tliese beds are highly colored : the lower parts are of neutral 

 tints. See page 19. 



PLATE 13. 



The beach at Camaxo, on the coast of Alagoas, where the basal Tertiary (?) con- 

 glomerates contain large granite boulders. Looking S. 48° W. Sao Bento iu 

 the distance. 



PLATE 14. 

 Ruinas de Palmyra, near Olinda, State of Pernanibuco. See page 22. 



PLATE 15. 

 Cape Branco, coast of Parahyba do Norte. Tiie cape bears S. 50° AV. See page 23. 



PLATE 16. 



The sandstone reef at Natal, Uio Grande do Norte, looking northward from the 

 lighthouse on tiie reef. See pages 35-39. 



PLATE 17. 



Looking south from tlic ancliorage behind the reef at Natal, Rio Grande do Norte 

 See pages 05-39. 



