lM^^^ri&t:^m&Wi 



PUBUCATIONS POE SALE BY THE BUREAU: OF SCIENCE, 

 MANILA, BHILIPHNE ISLANDS 



BEPORT OF THE IfVTERI^ATIONAIi PI/AOUE CONFERENCE. 



Held, at Mukden, April, 1911, under the auspices of 

 the Chinese Government. 



Edited by Ebich Maktixi, G. F. I'etbie, Arthtje Stanley, and Richabd 



P. Steokg. 



483 pages, IS plates (2 colored, 4 half-tones, 12 charts and maps). 

 fOrder No. 416. Cloth, $3.50; paper, $2.50 United States currency, postpaid. 



The proceedings of this International Conference and information oained therefrom, together 

 •with the results of certain bacteriological investigations, constitute the present report, 



Nothing hitherto has been published which gives such a complete and Comprehensive account 

 of the entire subject of pneumonic plague. 



Delegates from America (United States of), Austria-Hungary, France, Germany, Great Britain, 

 Italy, Japan, Mexico, the Netherlands, Russia, and China attended the Conference. 



The Bureau of Science of the Government of the Philippine islands has been appointed tola 

 agent for the distribution of the printed proceedings of the International Plague Conference. 



THE SUGAR INDUSTRY IN THE ISLAND OF NEGRO S. 



By HeeSebt vS. Walkek. 



145 pages, 10 plates, 1 map. 



Order No. 412. 



Paper, $1.25 United States currency, pottpaid. 



Considered from the viewpoint of practical utility, Mr. Walker's Sugar Industry in the Island 

 of Negros Is one of the most important papers published by the Bureau of Science, This voluma 

 is a real contribution to the subject; it is not a mere compilation, for the author was in the field 

 and understands the conditions of which he writes. The following is a brief synopsis of the 

 contents: 



Tables of soil analyses, both chemical and physical; analyses of the cane, juice and bagasse; 

 estimates based on actual Information as to the costs of production and of cultivation; and esti- 

 mates of the, cost and loc/atipn of possible central factories. The island is considered by sugar- 

 producing districts; Iho area of cultivation, and the production per hectare are fliven, and the 

 possibility for future expansion discussed. 



The plates illustrate various phases of sugar industry from the cultivation of the field to the 

 transportation of sugar in native sailboats. 



A MANUAL OF PHILIPPINE SILK CULTURE. 



Bv Ohaeles S. Banks. 



53 pages, 20 plates. 



Order No. 413, 



Paper, $0.75 United States currency, postpaid. 



The silk industry is particularly adapted to be undertaken by persons with small capital, and 

 like the making of hats in the Philippine Islands it should thrive with a little encouragement. 



In A Manualof Philiopine Silk Culture we have presented the results of several years' actual 

 work with silk-producing larvae together with a description of the new Philippine race. Half-tone 

 plates Illustrate In natural size silkworms in different stages of development, pupae, adult moths, 

 saniples of cloth niade from eri silk, hand reel, and silk house. Other plates Illustrate' tha 

 various appliances used in raising silkworms and in spinning silk; hand and power reels art 

 Illustrated; working drawings are given for a silk house and for a hand reel. 



