

'PXJBLICATIONS FOR SALE BY THE BUREAU OF SCIENCE, 

 MANILA, PHUIPPmEISLANBS 



KEPOBT OF THE IJVTERNATIOJVAIj PLAGUE CONFERENCE. 



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

 the Chinese Government. 



Edited by Eeich Mabiini, G.F. Petbie, Arthur Stanley, and Eichabd 



P. Strong. 



483 paces, IS plates (2 colored, 4 half-tones, 12 chart* and maps). 



hder No. 416, 



Cloth, $3.50; paper, $2.50 United States currency, postpaid. 



The proceedings of this International' Conference and information gained therefrom, toa«ther 

 with the results of certain baoteriolooical investloations, 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, fi^exico, the Netherlands, Russia, and China attended the Conference. 



The Bureau of Science of the Government of the Philippine Islands has been appointed sol* 

 •aent for the distribution of the printed proceedings of the International Plague Conference. 



THE SUGAR INDUSTRY IN THE ISLAND OF NEGROS. 



By Heebert S. Wai-keb. 



145 pages, 10 plates, 1 map. 



Order No. 412. 



Paper, $1.25 United States currency, postpaid. 



Considered from the viewpoint of praotioaf utility, Mr. Walkdr's Sugar Industry in the Island 

 of Negros is«ne of the most important papers published by the Bureau of Soienoe. 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 

 oontents: 



Tables of soil analyses, bo.th 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 location of possibfe' central factories. The island is considered by sugar* 

 producina districts; the area of cultivation and the production per hectare are given, 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 MANUAIi OF PHIIilPPINE SIIiK CULTURE. 



By Chables 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 Manual of Philippine Silk Culture we have presented the results of several years' actual 

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

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

 samples of cloth made from eri silk, hand reel, and silk house. Other plates illustrate the 

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

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



