PIUBIICATIONS POR SALE BY THE BITREAtJ OF SCIENCE, 

 MAmLA, PHILIPPINE ISLANDS 



REPORT OF THJE IXTERNATIOXx^Lli PLAGUE COXFERENCE. 



Held at Mukden, April, 19 11, under the auspices of 

 the Chinese Goverrunent. 



Edited by Erich Martin; i, G. F. Petrie, Abthltb Stai^ley, ai^d Richabd 



P. Strong. 



4S3 paces, IS plates (2 cofored, 4 half-tones, 12 charts and maps). 



s^Order No. 416. Cloth, $3.50; paper, $2.50 United States currency, postpaid. 



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

 ^wlth the results of certain bacteriological investiflations, constitute the present report. 



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

 |iOf 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 Conferences 



The Bureau of Science of the Government of the Philippine Islands has b6en appointed sole 

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



THE SUGAR INDUSTRY IN THE ISLAND OF NEGROS. 



By Hebbebt S. Walkeb. 



145 pages, lO plates, 1 map. 



Order No. 412. 



Paper, $1.25 United States currency, postpaid. 



Considered front the viev^olnt of practical utility, Mr. Walker's Stjgar Industry In th« Island 

 of<.Negros Is one of the most ihiporlant papers published t^y the Bureau of Science. This volumo 

 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 foMowinn is a brief synopsis of tha 

 contents: ' 



Tables of soil analyses, both chemical and physical; analyses of the ^ane, Juice and bagasse; 

 •stimates based on actual information as to the oosts of production and of cultivation; a,nd est!- 

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

 producing districts; the area of cultivation and the production per hectaVe are given, and th« 

 possibility for future exiJansion discussed. 



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

 transportation of sugar in native sailboats. 



A MANUAL OF PHILIPPINE SILK CULTURE. 



By Chables S. Banks. 



53 pages, 20 plates. 



Ordar 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 PhiliDplne Silk Culture we have presented the results of severalyears' actual 

 work with silk-producing larva together with a description of the new Philippine race. Half-tona 

 Plates illustrate in natural size silkworms in different stages of development, pup«, adult moths. 

 Samples of cloth made from erl silk, hand reel, and silk house. Other plates Illustrate tha 

 various appliances used In raising silkworms and In spinning silk; hand and power reals ara 

 lilustratad; working drawings are olMn for a silk house and for a hand reel. ^ 



