10 CONTENTS. 



Progress in agricultural education, 1906 — Continued. Page. 



Nature .^tudy and agriculture for the elementary puliHc schools 278 



Nature study, Groups I and 11 281 



Some helpful nature-stmly and school-garden publications.^. 285 



Agriculture, Group 111 287 



Outline of course 288 



Suggestions for simple practicums or experiments 290 



Text-])Ooks and works of reference 29(i 



Farmers' institutes in the United States, 190(3 :501 



Institute statistics and progress; •>01 



Supplying competent lecturers -^03 



The organization of the institute -^4 



Movable schools of agriculture. '^0-^ 



Railroad specials and industrial work of railroads 306 



New features 307 



The American Association of Farmers' Institute Workers 310 



Education extension in agriculture 314 



Department aid in promoting agricultural education extension 318 



Additional work of the Farmers' Institute Specialist 319 



The State reports 320 



Statistics of farmers' institutes, 1906 353 



The nutrition investigations of the Office of P^xperiment Stations and their re- 

 sults - - 359 



Scope of the work 360 



Distribution of the work 363 



Some results of the nutrition investigaticjns 364 



Distribution of food materials in the diet 364 



Dietary studies 366 



Digestion experiments - -j"' 



Respiration calorimeter experiments 368 



Special studies of cereals, legumes, meat, fruits, and mits 370 



Pedagogics of nutrition 371 



Conclusion 3*2 



Reclamation of tide lands - 373 



Character of soil 3(3 



Inducements for reclaiming 374 



Some of the results of drainage 376 



Drainage in European countries 377 



InHuence of draining tide marshes on iiublic iiealth 377 



Best methods of reclamation 378 



Jyocation of dikes 3(9 



Height of embankment 380 



Cnjss se(;tion of embankment 380 



Specifications for building embankments 381 



Method of doing the work 382 



Floating dredge 383 



Traction dredge 384 



Elevator and sucition dredges 384 



Wave protection 38.i 



Tide gates '-^^^ 



Excavation '^^^ 



Head beam 388 



Swinging gates 388 



Pumping plant ^^^ 



