INDEX. 



259 



Dreyfus, E. E., oil films reported by 225 



Duarte Highway, course of _ 31, 32 



fossils found on 155, 157-162 



Duncan, P. M., cited on Miocene fauna of 



the Cibao Valley 65 



Duvergfi, areal geology south of 219-221 



coralliferous limestone at 213 



fossils found near 166-168 



generalized stratigraphic section near 221 



nitrate deposits near 245 



petroleum indications near _ 219 



population of 195 



Quaternary coral reef at 77 



roads to 196, 197 



rock salt near 214 



rocks and fossils observed at 213 



view of part of (PI. XIX, A) 220 



Dynamic metamorphism, evidences of 202 



East coast, features of 47 



Economic geology, chapter on 228-254 



studies of _ 16-17, 185 



summary general statement on 242-254 



summary of, for Azua and Barahona 



provinces 226-227 



El Amacey, trail from 3g 



El Barrero, altitude of 34 



basal rocks at 52 



El Carrizal, country near 35 



El Comedero cave, Eocene rocks at 59 



El Derrumbado, rocks and fossils at 221, 222 



El Gran Estero, geologic history of 181 



position of 28 



El Higo Gordo, view of Sabana Liana near 



(PI. IV, A ) 32 



El Limon, Oligocene rocks and fossils found 



at and near 62-63, 107 



El Madrigal, rocks of basal complex near 50, 51 



view of terrace flat at (PI. V, C) 34 



El Morro de Monte Cristi, features of 27 



location and altitude of 45, I70 



Miocene or older rocks and fossils found 



at 102, 153-154, 172, I73 



section at I73 



strata and structure in I7Q 



view of (PI. II, B) 28 



El Niimero, fault at 226 



El Paso Bajito, view of Gurabo formation 



near (PI. XII, B) 72 



view of Rio Mao near (PI. XIII, B) 74 



El Paso de los Perros, Miocene fossils found 



near 114, 116-124 



El Puerto, rocks near _ _ _ 211 



sulphur springs at and near ig2 



El Rucillo, height of 33 



Elevation and depression, evidence of 82 



Elevation subsequent to deposition of the 



"coast limestone," evidences of 82 



Ennery, Eocene rocks exposed near 58, 200 



Enriquillo Basin, "coast limestone" in 202 



features of 39, 187-188 



former extent of 48 



geology of 213-221 



nitrate deposits in 245 



petroleum indications in 219 



Enriquillo Basin — Continued. 



springs in 192 



structure of 213-214 



Enriquillo Lake. See Lake Enriquillo. 



Eocene fauna, correlation and discussion of 94-95 



Eocene fossils, localities and names of.... 59, 105- 106 



Eocene Foraminifera, classes of 94 



Eocene time, events of 80 



Eocene series, character, distribution, and 



thickness of 58-61, 199-201 



correlation of (table) 57 



faulting in 78 



relation of, to Oligocene 200 



Epidiorite, description of 84, 85 



Erickson, E. T., analyses of salt by 217 



Escocesa Bay, location of 46 



Esperanza, view in valley of Rio Yaque del 



Norte near (PI. IV, B) 32 



Etang Saumatre, location and general fea- 

 tures of 39, 187 



Faulting, occurrence of 77-79, 203 



periods of 79 



Ferguson, H. G., aid by 14 



examination of nickel deposits by 231,243 



magnetite deposit near Hatillo observed 



by 229 



observations made at Loma Pegado by.. 231 



samples of nickel ore taken by 234 



Ferrocarril Central Dominicano, route of 43 



Ferrocarril de Santiago y Samana, routes of.. 43-44 



Field work, summary account of 12-13 



Folding, occurrence of 77-79,203 



Fondo Negro, salt springs at 192 



Foraminifera, Eocene, classes of 94 



Forests. See Vegetation. 



Fort San Felipe, location of 46 



Fossils identified, ages and localities of.... 105-168 



Cretaceous, localities 53, 54, 55 



Eocene, localities and names of 105-106 



Miocene, localities and names of 113-165 



Oligocene, localities and names of 107-112 



stations where collected, maps showing 



(Pis. IX, XI) 66.70 



Foster, M. D., analyses of waters by 252-254 



Furcy, Eocene rocks near 58 



Gabb, W. M., cited on identity of limestone 



at El Morro and in Samba Hills 176 



cited on "Iron Mountain," near 



Hatillo 60 



cited on limestone of Loma de los 



Mucrtos...... 64 



cited on Miocene fauna of the Cibao 



Valley... _ 65 



cretaceous fossils collected by 53-54 



Gabbro, descriptions of 84, 85 



Garrison, F. L., cited on copper deposits at 



Bucaro Hill 239 



cited on copper deposits at San Fran- 

 cisco Hill 240 



Gas, natural, analyses of 225 



Gas and oil, Azua and Barahona provinces, 



summary concerning 226 



Geiger, A. T., analyses of waters by 



193-194, 249-251 



