

MAOTLA. PHIIIPPINE ISLANDS 



KEPOjKT of the INTERIs'ATIGNAIj PliAGlTE COXFERE:: 



IlL'ldaL IIul.J'-J, .April, 1911, -Liucler tlie aijspices of 

 the Chinese Government. 

 Baited l.v :-:.ai:;.'r :J;.^Oi L G, .A -.-rv]-. .t.;::i:^.-n ^Aa^ley, a-o 7;tc. 



■■;S3 pages, IS plates (2 colored, 4 half-tones, 12 charts and maps), 



£Oici=r lie. AS. Cloth, $3.50; paper, $2.50 United Stales currenoy, postpaid. 



The prooeedlnss of this Internationa! Conference and information sained therefrom, together 

 With the results of certain bacteriological investigations, consiiiute the present report. 



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

 3of the entire subject of pneumonic Plague. 



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

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



The Bureau of Soier>ce of the Government of the Philippine Islands has been appointed sole 

 ^'aaent for the distribution or the printed proceedings of the international Plague Conference. 



THE SUGAR INDXTSTBY IX THE ISLAND OF NEGKOS. 



JBy Hekeebt ,S. WamvER. 



145 pages, 10 plates, 1 ma>:. 



Order No. 412. Paper, $1.25 United States currency, postpaid. 



Considered from the viewpoint of praotioa! 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 volume 

 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. >>Tho following Is a brief synopsis of the 

 contents: . 



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

 estimates based on actual information as tp'the costs of production and of cultivation; and esti- 

 mates of the cost and location of possible central factories. -..The island Is conside.-ed by sugar- 

 producing 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 MANUAL OF PHILIPPINE SILK^CtJLTUUE. 



By Charles S. Banks. 



53 pages," 20 plates. 



Order No. 413. 



Paper, $0.75 United Stales currenoy, posli 



lid. 



The silk industry {s particularly adapted to be undertaken by persons with email 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 larv» together with a description of the nevi; Philippine race. Half-lone 

 pUtes Illustrate in natural size silkworms in different stages of development, pup», adult moths, 

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

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

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



