INDEX. 



265 



Rio del Medio, basal rocks on 52 



course of 42 



gravel deposits near 209 



length of 189 



Rio del Puerto Viejo, analysis of water from.. 253 

 Rio del Rancho Espafiol, limestone from, tests 



of, as road metal 247 



Rio Guanajuma, Gurabo formation on 72 



Rio Guayajayuco, character of 36, 42 



length and course of 189 



shale and phyllite along 204-205 



Rio Gurabo, basal rocks along 52 



Cercado formation on 69 



Gurabo formation on 69-71 



map of part of (PI. XI) 70 



Miocene rocks and fossils found on 69 



97, 115-124, 126-146, 151 



Oligocene rocks on 62 



Rio Iguamo, reference to 42 



Rio Isabel, course of 43 



Rio Inoa, Oligocene rocks on 62 



Rio Jaina, basal rocks exposed in and near.... 50-51 



character of 42 



features of valley of 31 



fossils found near 166, 167 



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



Rio Jima, basal rocks in and near 51 



position of 32 



Rio Joca, features of 36-37 



Rio Juan Manuel, basal rocks exposed near.. 51 



Rio Jura, size and course of 190 



Rio Licey, Oligocene rocks and fossils found 



near 63,107 



Rio Limon, basal rocks on 52 



Rio Macasia, headwaters of 43 



length and principal tributaries of 189 



Rio Macoris, references to 41,42 



rocks on 211 



sulphur springs on 192 



Rio Maguana, length of 189 



Rio Mao, basal rocks along 52 



Bulla conglomerate on 67 



Cercado formation near 67 



character of 42 



Gurabo formation on 71 



Miocene fossils found on 97 



101,114-146,151-153 



Mao clay on 74 



map of part of (PI. IX) 66 



platinum found on 242 



section of Cercado formation on 68 



section of Gurabo formation on 71,72 



section of Mao Adentro limestone on.... 73 



view near (PI. XIII, A) 74 



view of (PI. XIII, B) 74 



view of Bulla conglomerate near (PI. X) 68 

 view of exposure of Cercado formation 



(PI. XII, A) 72 



view of gorge on (PI. VII, C) 40 



views of Gurabo formation on (PI. XII, 



B; PI. XIII, A) 72,74 



Rio Magud, references to 41,42 



view of terraces on (PI. VII, A) 40 



Rio Maimon, basal rocks exposed on and near 51 



Rio Massacre, features at mouth of 44-45 



Rio Mijo, length of 189 



rocks near 212 



Rio Neita, position of 36 



Rio Nigua, fossils collected on 53 



reference to 42 



Rio Nizao, geography of region near mouth 



of 48 



length of 190 



reference to 42 



Rio Ocoa, Cretaceous rocks along 54 



fault line along 79, 226 



features of 190 



geography of region at mouth of 48 



oil seepage near „ 225 



reference to 42 



view of plication in shaly limestone on 



(PI. XX, A) 226 



Rio Ozama, reference to 41, 42 



Rio San Juan, area drained by 42 



features of 189 



Oligocene rocks and fossils found on 108, 



109, 200, 208-209, 210-212 



water from, analysis of 254 



Rio San Marcos, Eocene rocks near 59 



location of 46 



Rio Soco, reference to 42 



Rio Tabara, rocks and fossils found near.. 155, 157- 



162, 212 



length of 190 



Rio Vallejuelo, length of 189 



Rio Via, Eocene rocks on 60-61 



faulting along 60-61 



structure along 224 



Tertiary rocks and fossils found along 155, 223 



Rio Yaguajal, basal rocks exposed along 53, 56 



Rio Yaque del Norte, artesian water 



possibly obtainable along 178-179 



Baitoa formation on 66 



course of 41 



delta of 45 



features of 169-170 



former course of 170 



geologic structure near 176-177 



Mao Adentro limestone on 74 



Miocene rocks and fossils found on 65, 99, 



113-114, 130, 133-135, 137- 

 145, 147, 173, 174, 175 



Oligocene fossils found along 61, 107, 108 



recent alluvium on 175 



strata and structure along 176-177 



Tabera formation on 61 



view in valley of (PI. IV, B) 32 



Rio Yaque del Sur, delta of 48 



features of 189 



general course and tributaries of 42 



geography of region at mouth of 48 



Miocene rocks and fossils found along.... 155- 



162, 201 



Oligocene rocks and fossils found on 63 



109,111-112,200 



Pliocene (?) rocks along 201 



rainfall observations on _ 197 



region east of, areal geology of 212-213 



