his.  Twenty or fifty dollars, invested in the best agricultural works in the English language, may save him thousands in the end, and double his profits in two years.  The Agricultural Journals of the United States abound in information most useful to the practical farmer:  and the back volumes, if collected and bound, will form a library of great value.

Rotation of Crops in connexion with Wheat Culture.—­A system of tillage and rotation which will pay best in one locality, or on one quality of soil, and in a particular climate, will be found not at all adapted to other localities, different soils and latitudes.  Hence, no rule can be laid down that will meet the peculiar exigencies of a farming country so extensive as the thirty States east of the Rocky Mountains.  There are soils in Western New York, known to the writer, which have borne good crops of wheat every other year for more than twenty years, and produce better now than at the beginning of their cultivation.  The resources of the earth in supplying the elements of wheat and corn are extremely variable.  There are friable shaley rocks in Livingstone county, N.Y., which crumble and slake when exposed to the air, that abound in all the earthy minerals necessary to form good wheat.  These rocks are hundreds of feet in thickness, and have furnished much of the soil in the valley of the Genesee.  The Onondaga Salt Group, and other contiguous strata, which extend into Canada West, form soils of extraordinary capacity for growing wheat.  Indeed, the rocks and “drift” of a district give character to its arable surface.

Nothing is more needed at this time than a good geological map of the United States, accompanied by an accurate and popularly arranged work on agricultural geology.  The writer had hoped to give such a map in this report; but it is thought best to devote another year to the collection of geological surveys and facts, and to the making of more critical and extended researches before publishing.

In the matter of rotation of crops in connection with wheat culture, clover and corn are generally preferred in all the Northern, and most of the Middle States.  In New York, Ohio, Pennsylvania, Michigan, Wisconsin, Northern Indiana, and Illinois, so far as the writer is acquainted, a crop of wheat is made in rotation, either every third, fourth, or fifth year.  Wherever wool growing is united with wheat culture, clover and wheat are the staple crops of the farm.  Wool and superfine flour are exported; farmers taking nearly all the bran and shorts of the millers who purchase their wheat.

The offal of wheat makes not a little feed with chaff and cut straw.  Many agriculturists grow peas, beans, turnips, beets, and carrots in large quantities, as well as clover, corn, oats, and barley.  Peas and beans, both stems and pulse, when well cured, are excellent feed for sheep; and on good land they are easily grown.  They prepare the