Contents 43 



No. 5, October, 1912 



[Issued December 15, 1912.] 



Pagre. 



Cox, A. J. The oxidation and deterioration of coal 297 



Two text figured. 



Cox, A. J., Reibling, W. C, and Reyes, F. D. Sand-lime brick and 



artificial sandstones in the Philippines _ 317 



Eight plates and 1 text figure (map). 



Thurlow, L. W., and Pratt, D. S. Extraction test of a modern 



sugar central 357 



No. 6, December, 1912 



[Issued March 7, 1913.] 



GiBBS, H. D., and Pratt, D. S. The absorption spectra of ortho- and 

 para-nitrophenol and para-nitrosophenol. New evidence of the 

 quinoid structure of these compounds in alkaline solution 371 



Four plates and 3 text figures. 



GiBBS, H. D., and Agcaoili, F., with the cooperation of G. R. 



Shilling. Some Filipino foods 383 



Six plates. . 



GiBBS, H. D., and Agcaoili, F. Philippine citrus-fruits: Their com- 

 mercial possibilities and a chemical study of a few of the most 

 important varieties 403 



Five plates. 



Editorial: A new type of laboratory condenser for use with volatile 

 liquids in tropical laboratories, by E. R. Dovey (with 1 text 

 figure) 417 



Review 421 



Index 423 



VOLUME VII, B. THE PHILIPPINE JOURNAL OF TROPICAL MEDICINE 



No. 1, Tebniary, 1912 



[Issued June 25, 1912.] 



Freer, P. C. The result of the past two years' work in the study 



of tropical sunlight 1 



Crowell, B. C. Mucocele and diverticulum of the vermiform ap- 

 pendix of inflammatoiry origin 29 



Two plates (1 colored). 



Chamberlain, W. P., Vedder, E. B., and Williams, R. R. A third 



contribution to the etiology of beriberi 39 



Walker, E. L. The schizogony of Trypanosoma evansi in the spleen 



of the vertebrate host 53 



One colored plate. 



Review 65 



No. 2, April, 1912 



[Issued August 1, 1912.] 



Andrews, V. L. Infantile beriberi 67 



Three plates. 



GiBBS, H. D. A study of the effect of tropical sunlight upon men, 

 monkeys, and rabbits and a discussion of the proper clothing for 

 the tropical climate 91 



•Two plates. 



