Contents 11 



VOLUaiE 11 



VOLUME 11, A. GENERAL SCIENCE 

 No. 1, February, 1907 • 



[Issued February 26, 1907.] 



Page. 



Clover, A. M. The terpene oils of Manila elemi 1 



Cox, A. J. The proximate analysis of Philippine coals 41 



Two text figures. 



Bacon, R. F., and Freeh, P. C. The action of sodium on acetone 67 



Horn, W. A new subspecies of Philippine Cicindelidae 77 



Reviews _ 79 



No. 2, May, 1907 

 [Issued June 17, 1907.] 



Richmond, G. F. Philippine fibers and fibrous substances: Their 



suitability for paper making, part III (conclusion) 81 



One plate. 



Bacon, R. F. The crater lakes of Taal Volcano 115 



Six plates. 



Bacon, R. F. Catalysis by means of uranium salts in the sunlight.... 129 



Cox, A. J. A new comparator 139 



One plate and 1 text figure. 



No. 3, June, 1907 



[Issued August 1, 1907.] 



Smith, W. D. The asbestos and manganese deposits of Ilocos Norte, 



with notes on the geology of the region _ 145 



Nine plates, 2 maps, and 3 text figures. 



Merrill, E. D. The ascent of Mount Halcon, Mindoro 179 



One plate (map) . 



No. 4, August, 1907 

 [Issued September 11, 1907.] 



Eveland, a. J. Notes on the geology and geography of the Baguio 



mineral district 207 



Nine plates and 2 maps (1 colored). 



Smith, W. D. Petrography of some rocks from Benguet Province, 



Luzon, P. 1 235 



Five plates. 



Reviews '. „ 255 



No. 5, October, 1907 



[Issued November 21, 1907.] 



Shufeldt, R. W. Osteological and other notes on Sarcops calvus 



of the Philippines _ 257 



One plate. 



Worcester, D. C. On a nesting specimen of Caprimulgus griseatus 



Walden 271 



Two plates. 



