II II 



Geology of the Rio Gurabo 433 



Section at Los Quemados, 434 ; Fauna of Zone A, 

 434 ; Affinities of the Zone A fauna, 435 ; Flora of 

 Zone B, 435 ; Affinities of the Zone B fauna, 436 ; 

 Fauna of Zone C, 436 ; Evidence of the Echino- 

 derms, 436 ; Fauna of Zone D, 437 ; Affinities of 

 the Zone D fauna, 438 ; Fauna of Zone E, 438 ; 

 Affinities of the Zone E fauna, 439 ; Fauna of 

 Zone F, 439 ; Affinities of the Zone F fauna, 439 ; 

 Description and fauna of Zone G, 439 ; Affinities 

 of the Zone G fauna, 440. 



Geology of the Rio Cana 440 



Section at Cana, 441 ; Section at Caimito, 441 ; 

 Presence of Gypsum, 442 ; Fauna of Zone H, 442 ; 

 Affinities or Zone H fauna, 443 ; Fauna of Zone 

 I, 443 ; Affinities of Zone I fauna, 444. 



Geology of the Rio Yaguajal 444 



Section of Sabaneta Bluff, 445 ; Tentative correla- 

 tion of the Sabaneta beds, 445 ; Gabb's Sabaneta 

 section, 445 ; Comparison of Gabb's conclusions 

 with ours, 446 ; The gravels, 446 ; The yellow 

 shales of Guayubin, 446 ; The blue shales. 446. 



Tertiary and Quaternary Oscillation of Level.... 447 



Geology of El Morro de Monte Cristi 447 



Heneken's conclusions, 448 ; section at Morro, 

 448 ; The basal sandy clays, 449 ; Calcareous 

 clays, 450 ; Limestone cap, 450. 



Geologic Notes on Scattered Localities 450 



Section on the Samba Hills at about 540 feet alti- 

 tude, 450 ; Rio Amina, 451 ; Guayubin to Mao 

 road, 452 ; Bulla river, 452. 



