8. Do you know of any region which suffers from the evils of the single-crop system now?
9. Advantages and disadvantages of rice as a crop; where is it chiefly grown now? [Encyc.; commercial geographies.]
10. Experience of a woman as an indigo planter. [Earle, Colonial dames, Boston, Houghton, 1895, $1.50, pp. 76-83.]
11. What is the average crop of wheat per acre now, in the U. S., and in your vicinity? [Census.]
12. Details of colonial agriculture. [Coman, 47-62.]
13. The lumber industry in New England. [Lord, Indust. exper., part 3, chap. 1; Wright, 71-79.]
14. History of the American fisheries. [Coman, index; Van Metre in Carnegie Hist., vol. 2, part 2.]
15. The whale fishery. [Weeden, chap. 11; McMaster, Hist., 1: 63, with references.]
16. Manufactures imported by Virginia in the colonial period. [Bruce, chaps. 15, 16.]
17. What parts of the United States are now in a position like that of the colonies, devoting their labor to the production of raw materials and importing manufactures from the regions of advanced industry? What foreign countries are still in this position?