288 BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 



Fig. 7. Example of Irregular Outline resulting from still more advanced Erosion. 



(Harbor of Escondido.) 

 Figs. 3, 4. Double-mouthed Harbors produced by Elevation of Barrier Reefs in 



combination with the Fringing Reef. (3, Harbor of Jaragua; 4, Ya- 



maniguey.) 

 Fig. 9. Matanzas Harbor, showing Yumuri Valley, Canon, and adjacent Levels. 



Note. — The artist has transposed the east and west sides in Figs. 3, 4, 5, 7, and 8. 



PLATE III. 



Limestone Mountains south of Matanzas. 



PLATE IV. 

 Villa Clara, Metamorphic Mountains. 



PLATE V. 



Contact of Upland Plain with Limestone Hills. 



PLATE VL 

 Typical Plain, Central Cuba. 



PLATE VIL 

 Yumuri River, Matanzas Bay. 



PLATE VIII. 



Yumuri Valley and High Levels. 



PLATE IX. 

 Yumuri River. 



