CORRELATING AGRICULTURE IN NORTHERN STATES. 13 
these lists and prepare for a public contest in connection with some 
neighborhood event. 
Arithmetic. — Problems in corn shrinkage, marketing corn and the 
relative merits of feeding and marketing corn may be made from 
figures given in bulletins and textbooks. Select also figures concern- 
ing cost of harvesting and marketing apples, potatoes, and other 
crops. Compute net profits on club acres. Compute rations and 
cost of each for poultry and any other animals which are in home 
projects. Consult text and bulletins including Farmers' Bui. 22. 
Continue computations of material and cost of constructing poultry 
houses and equipment. Compute cost of feeding club flocks, egg 
production per hen and cost per egg or per dozen eggs. Use current 
market prices where eggs are used at home. Compute rate of 
interest on investment. (See also textbooks on Farm Arithmetic.) 
Geography. — Look up climatic factors of different crops; limits in 
latitude, altitude, etc., for different plants. Find where the tender 
plants grow native, also the northern limits of the hardy plants. 
Find in bulletins and books on insects the origin of the orchard pests 
of the section. On maps and tabular charts indicate the results of the 
survey of the poultry of the district. Keep club members' records 
separately. Make a graphic representation to show the relation in 
numbers of pure-bred fowls to scrubs by lines with lengths in correct 
proportions. Put on map the roads used for market, social, and 
civic purposes and indicate parts needing repair. 
History. — Have pupils find out where the different varieties of 
poultry originated and trace their introduction. Numerous poultry 
books give this information. Look up stories of fowls in history, as 
The Geese that Saved Rome. Inquire into the introduction of fruits 
into the section and how they have been improved. In like manner 
trace the history of methods of marketing the local produce. What 
effect have the transportation facilities had on the development of 
the county and State? Many texts in geography and history give 
this. Find how different European countries have affected American 
agriculture by furnishing live stock, plants, methods, and labor. 
Trace the history of Thanksgiving celebrations. 
Drawing. — Make Thanksgiving sketches and designs. Sketch 
typical poultry. Make a series of colored drawings of varieties of 
apples. Make working drawings of any equipment needed this 
month. Have members of Good Roads Club make sectional 
drawings of good and poor roads in the district. See Farmers' 
Buls. 338, 505, and 597. Have pupils make a series of sketches of 
historical modes of transportation for the section, such as ox cart, 
prairie schooner, flatboat, not omitting the modern. 
Physiology. — The topic of breathing leads to ventilation and 
exercise. Correlate the idea of human needs with the plan for making 
