6 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Extent of Vulcanism in Cretaceous Time. .... . 
Extent of Tropical Vulcanism in Eocene Time . 
The extent of the Antillean Mid-Tertiary Vulcanism 
Exceptional Volcanic Features of the Windward Islands . 
Parr VIl.— CHANGES or Puysiograruy IN TROPICAL ÁMERICA BEARING 
UPON THE History or run West INDIAN ISLANDS . : 
Groups of Data upon which Analysis of West Indian History is dependent 
Difficulties surrounding the N of the Submerged Configura- 
tion . a v A 
Testimony of the Geologie Structure and Configuration of the Land 
Areas. ee, 
Vagueness of Pre e- Srotaceous History 
Areas of Pre-Cretaceous Rocks . en 
Hypothetical Evidence of an eastward Extension of the Continents in 
Jurassic Time 
Testimony of the Fossils indicating a Continental Barrier i in ¡Turnaslo 
de oroa a ao TN 
Hypothetical Evidence of the Existence of a Windward Bridge or 
Isthmus in Jurassic Time . 
The Influences of the Revolution at the Close of the Jurassic Time: 
Evidences of extensive West Indian Lands in Cretaceous Time . 
Migrations of the Sea Borders aeross Mexico in Lower and Upper Creta. 
ceous Time 
Decadence of the Windward Bridge ea 
The Closing of the Panama Bridge . . . um. 
The Influence upon the West Indian Region. of the Lavado: Revolution 
Wide Extent of the Eocene Degradation . . . we cg 
Extent and Influence of the Vicksburg Subsidence 
The Ephemeral Reopening of the Panama Passage 
Disappearance of pre-existing West Indian Lands 
The Mid-Tertiary Antillean Orogenie Revolution . . . . 
Extent of its Diastrophic Influences a 
The Expansion and Connection of the Antilles in Islands . 
Influence upon the Submarine Configuration . 
Dismemberment of the expanded Antillean Land in the Bowden Boch. . 
The Progressive Elevations from Pliocene to Recent Time " 
Interpretation of the Differential Movements by pose of the T er- 
race Levels i 
Probable Partic ipation of the Antillean Region in the Lafayette Mové- 
ments of the North American Coastal Plain 
| Extent and Field of the Pleistocene and recent Uplifts as mocrded by the 
Elevated Reefs . 
Proofs of Differential Mosel in oo Dooi: . 
Post-Pliocene Uplifts insufficient to connect the West Indien Tel ud 
with the Mainland or with each other , 
Résumé of West Indian nn History 
Part VIL — APPENDICES . i 
Appendix 1. Additional Note on that Jeology of Porto Rico . 
Appendix 2. Report upon the Fossil Corals of Jamaica, nO T. Wayland 
Vaughan o ea " "n E 
ist OB CEST DIGURBES.. . a ee QM M. 
EEPLANATION OF THE PLATES +... idea no. 
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