Index 



405 



GIBBS, H. D., Proposed modification of ylang- 

 ylang oil standards, 99. 



GIBBS, H. D., and BRILL, H. C., Diethylsuc- 

 cinosuccinate ( Ethyldioxydihydroteraphtha- 

 late) : A study of its constitution, some 

 derivatives, and absorption spectra, 51. 



Gilsonite, 87. 



Globigerina, 248. 



Gold, 87. 



Gold in Caramoan Peninsula, 316. 



Gold in Mountain Province, 206. 



Granite in Mountain Province, 192. 



Graphite, 87. 



Gravel and stone in Caramoan Peninsula, 318. 



Ground-water resources in Panay, 226. 



Guano, 88. 



Guilaguila, Cebu, coal at, 292. 



Guimaras Island, water supply at, 70. 



Guiso, 196. 



Guttiferae, 196. 



Gypsum, 88. 



H 



HEISE, GEORGE W., BoUer waters of Iloilo 

 Province, 75 ; Water supplies in the Philip- 

 pine Islands : II, 136 ; Water supply for the 

 city of Iloilo, 66. 



Hematite, 88. 



Hide, raw, supply, 351. 



Hornblende, 88. 



Hornohan, 381. 



Hydrocyanic acid, the effect of, on the diges- 

 tion of milk protein by pure papain, 22. 



Hypersthene, 88. 



I 



Iddingsite, 88. 



Igneous complex, basal, in Caramoan Penin- 

 sula, 312. 



Igneous rocks, massive, suitability of, for 

 wells, 238. 



Hmenite, 88. 



Iloilo Province, boiler waters of, 75. 



Iloilo, water supply for the city of, 65. 



Intrusive rocks in Leyte, 252. 



Inulase (cacao), tests for, 128. 



Invertase (cacao), tests for, 131. 



Iras Tagalog method used for the manufac- 

 ture of salt, 380. 



Iridium, 88. 



Irna. 383. 



Iron in Mountain Province, 207. 



Iron ore in Surigao Province, 335. 



Iron ore on Calambayanga Island, Mambulao, 

 Camarines, 323. 



Isarog tuffs and agglomerates, Caramoan 

 Peninsula, 306. 



J 



Jaspei-, 88. 



Jatropha curcas L., 107. 



K 



Kalimotani, 107. 

 Kalinite (alum), 89. 

 Kaolinite, 89. 

 Kapok, 107. 

 Ko-long-ko, 890. 



Labradorite, 89. 



Lauraceae, 196. 



Leather industry of the Philippine Islands, 349. 



LEDNICKY, VICTOR E., see PRATT, W. E., 



335. 

 Lepanto and Bontoc, military districts of, 178. 

 Leucite, 89. 



Leyte, petroleum and residual bitumens in, 241. 

 Ligas bark, 355. 

 Lignite, 89. 



Lime in Mountain Province, 202. 

 Limestone, coralline, suitability of, for wells, 



235. 

 Limestone in Mountain Province, 194. 

 Limonite, 89. 

 Linseed oil, 118. 

 Lipase (cacao), tests for, 125. 

 Lithothamnium ramosissimum Reuss, 194, 248. 

 Littoral and alluvial deposits in Caramoan 



Peninsula, 306. 

 Littoral and alluvial deposits in Leyte, 247. 

 Littoral and alluvial deposits, suitability of, 



for wells, 232. 

 Lucina bacauensis, 248. 

 Lumbang banucalag, 107. 

 Lumbang bato, 106. 

 Lumnitzera racemosa Willd., 381. 

 Luzonite, 89. 



M 



Maasin, Panay, water supply at, 68. 



Macalsa, 107. 



Magnesite, 89. 



Magnetite, 90. 



Magnetized iron ore, 90. 



Malacalad, 107. 



Malachite, 90. 



Maltase (cacao), tests for, 132. 



Malumbang series in Leyte, 247. 



Mambulao, Camarines, iron ore on Calamba- 

 yanga Island, 323. 



Manganite, 90. 



Mangrove bark used for tanning material, 353. 



Manila, a determination of the diurnal varia- 

 tion of the radioactivity of the atmosphere 

 at, by the active deposit method, 37. 



Manila, water supplies of, 149. 



Mapania humilis F.-Vill., 197. 



Marambalo, 107. 



Marcasite, 90. 



Margarite, 90. 



Marl in Mountain Province, 195. 



Melliaceae, 107. 



Menispermaceae, 197. 



Mercury, 90. 



Mercury in Caramoan Peninsula, 317. 



Metal, road, in Mountain Pi-ovince, 204. 



Metaniorphic rocks, suitability of, for wells, 

 238. 



Metamorphic sedimentary rocks in Caramoan 

 Peninsula, 310. 



Meycauayan River water, analysis of, 359. 



Mindoro, water supplies of, 142. 



Minerals, preliminary check list of Philippine, 

 81. 



