460 



INDEX. 



VIVBNCIO DEL ROSARIO, MARIANO, On 

 the Determination of Aldehydes in Dis- 

 tilled Liquors, 29. 



Volcanoes, extinct, of southwestern Luzon, 

 86 ; of Mindanao, 358 ; of Philippine Is- 

 lands, 312 ; distinct types of, 313 ; Mount 

 Mayon, 313 ; Mount Mariveles, 313 ; Taal, 

 313. 



Voluta pellis serpentis (?) Linn., 329. 



w 



Well, log of, at Pasay, Rizal Province, 310. 

 Wild hogs, 33. 



Whisky : Rye, bourbon, and Scotch, 23. 

 White clays, characteristics of, in manu- 

 facture of pottery, 148. 



X 



Xylocarpus obovatus Juss., 445. 



Y 



Ylang-ylang oil, 265. 



z 



Zamboanga peninsula, 353. 



o 



