486 



PROCEEDESTGS OF THE NATIONAL MUSEUM 



• SITES WITH Sherds 



A SITES WITHOUT SHERDS 

 MARGIN OF SALITRE 



4 KM 



Figure 2. — Map of the southern Guayas coast, showing the locations of the Lagarto and 

 Morro lalitres and sites identified with the Jambeli Phase. 



particularly evident at Site 0-6: Las Huacas. Mangrove swamp also 

 occupies a fringe of varying width along the mainland coast. In 

 occasional areas among the islands, and on the mainland beyond the 

 mangrove zone, the land rises 1-5 m, and the vegetation becomes 

 xerophytic as it is to the north. 



All Jambeli Phase sites are shell middens, the most common shell 

 species being the small mangrove oyster Ostrea columbiensis. The 

 accumulation is usually less than 50 cm. in thickness, although one 

 site (G-86) had 1.60 m. of shell refuse mixed with sherds. Fragments 



