Having given a few notes on the more prominent forms of insect attacks to which root crops are liable, we would now close this chapter, as details of all the insect pests would occupy more space than we can here allot to the subject; but to those who would inquire further upon this fertile theme, we would advise the perusal of “Farm Insects,” by J. Curtis, Esq., F.L.S., &c. GENERAL CONCLUSIONS. To render our subject as complete as possible, we direct attention to the following practical conclusions, to which our whole argument upon the science of root-growing points:— First.—Cultivated roots are improved wild ones, only to be obtained by gardening on the small, or farming on the large scale; this gardening or farming being carried on by certain operations at certain seasons which we have comprehended under the term of cultivation processes. Second.—The difference in sort of roots is caused either by cross-breeding as the result of accident or design, or of the education of some particular propensity which has been acted upon by the intelligent seed-grower. Third.—The maintenance of sorts in purity depends upon careful selection of the right variety for the seeding examples. Fourth.—The preservation of a good outline or shape of root can only be maintained by selecting those of good _form_ to seed from; for, as running to seed, multiform top, forkiness, “finger-and-toe” in roots, is evidence of wild growth, so, then, cultivated plants assuming this form are considered as degenerate, and seed from such roots produces a malformed and poor crop. Fifth.—The difficulties of getting good seed—whether of trueness to sort, from carefully selected bulbs, or free from adulteration either of old with new seed, or a mixture of charlock and others of the same family—are very great. Where, however, good seed can be depended upon, it is much cheaper, though at a considerable increase of first seeds cost, as not only quality but the quantity of live so considerably depends upon the truth and honesty of the seedsman. Sixth.—Injuries from insect attacks, though serious as affecting the yield, are yet not due to the seed; and anbury, if it be due to insects, only occurs in the turnip-crops, and then in particular soils. The true insect attacks to be averted by simultaneous action. In fine.—_Good seed, of a true sort,—care in growth,—and a watchfulness of enemies, includes the_ SCIENCE _and_ PRACTICE _of Root Cultivation._ [Illustration: FURNISH YOUR HOUSE WITH THE BEST ARTICLES AT DEANE’S A.D 1700 GENERAL FURNISHING IRONMONGERY WAREHOUSE AN ILLUSTRATED CATALOGUE POST FREE ON APPLICATION LONDON BRIDGE DEANE & C^o. (OPENING TO THE MONUMENT) 46, KING WILLIAM S^T. CITY] =FARM AND GARDEN SEEDS= =CARRIAGE FREE.= Bangholm Swede, East Lothian Swede,