PUBLICATIONS FOE SALE BY THE BUREAU OF SCIENCE, 

 MANILA, PmirPPINE ISLANDS 



S3EPORT OF THE INTERNATIQNAIj PLxVGUE CONFERENCE. 



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

 the Chinese Goveramcnt. 



Edited by Ericu Mabtini, G. F. Peteie. Akthue , Staklex, and Kiohaed 

 P. Steoxu. 



483 paces, 18 plates (2 colored, 4 half-tonos, 12 charts and maps). 

 Order No. 416. Cloth, $3.50; paper, $2.50 United States ourrenoy, postpaid. 



The proceedings of this International Conference and Information flalned therefrom, together 

 with the results of oertaln baoteriologicai investlgatioiis, oot\stitute the present report. 



Nothlno hitherto has been published which gives such a oomplele and comprehensive account 

 of the entire subject of pneumonic plague. 



Delegates from America (United States of), Auslria-Hunaary, France, Germany, Great, Britain, 

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



The Bureau of Science of the Government of the Philippine Islands has been appointed sola 

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



THE SUGAR INDUSTRY IN THE ISLAND OF NEGROS. 



By Heebebt S. Wai,keb. 



145 pages, 10 plates, 1 map. 



Order No. 412. 



Paper, $1.25 United States currency, postpaid. 



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

 of Negros Is one of the most Important papers published by the Bureau of Science, This volume 

 is a real contribution to the subiect; it Is not a mere compilation, for the author was In the field 

 and understands the conditions of which he ^writes, ^oThe following is a brief synopsis of the 

 contents: 



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

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

 mates of the cost and location of possible central factories. ->> The island H considered by sugar- 

 producing districts; the area of cultivation and'the production per hectare are given, and tha 

 possibility for future expansion discussed. 



The plates illustrate various phases of 'sugar ..Industry from the oultlvatlbn of the field to th« 

 transportation of sugar in native sailboats. 



A MANUAlTOF PHILIPPINE SILK CULTURE. 



By Chabues S. Banks. 

 ! 53 pages, 20 plates... 



Ord«r~Nor413. 



Paper, $0.75 United States currency, postpaid. 



The silk industry Is partloula.'ly adapted to be undertal<6n by persons with small capital, and 

 iiko tha making of hats In the Philippine Islands it should thrive with a little encouragement. 



, In A Manual of Phllicplne 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, pupse, adult moths, 

 »«mple! of cloth made from eri silk, hand reel, and silk house. . Other plates Illustrate the 

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

 illustrated; working drawings are, given tor a si|k house and for a hand reel. 



