276 BULLETIN: MUSEUM OF COMPAKATIYE ZOOLOGY. 



EXPLANATION OF THE PLATES. 



PLATE 1. 



Northeast coast of Brazil, showing the locations of stone and coral reefs and the 

 configuration of the ocean's floor off the coast from Bahia to Aracati. See 

 page 183. 



PLATE 2. 



Map of the stone reef at Pernanibuco, made by Harold Havens, July, 1899. See 

 page 60. 



PLATE 3. 

 Santa Cruz Bay, part of Hydrographic Chart 484, with additions. See page 95. 



PLATE 4. 



Map of the Bay of Bahia : a part of Hydrographic Chart No. 1522. Most of the 

 soundings given on the original are omitted. See page 128. 



PLATE 5. 



Topographic map of the Brazilian coast about Santos, showing how the coastal 

 mountains have been submerged, leaving their peaks as islands or as hills in a 

 swampy region. (Eeduced from the Sao Paulo sheet of the Commissao Geo- 

 logica de S. Paulo.) See pages 128 and 129. 



PLATE 6. 



Part of Hydrographic Chart 481, showing the reefs at Cape St. Roque. See page 

 228. 



PLATE 7. 



Part of the Hydrographic Chart of the mouth of the Rio Parahyba do Norte, show- 

 ing the coral reef and its relation to the coast. See page 232. 



