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gardens with vigorous trees, And hence, however mistaken he was as to the duration of varieties, his labours were in the direction of the public good, and were most successful. Although previous to his time the uses of hybridisation were understood, Knight was one of the first to apply it in raising improved sorts of fruit trees. In Dr. Bull's sketch very full particulars are given of the work he did, and the success he achieved. It may to some seem a small matter now that he gave us better kinds of apples, cherries, nectarines, pears, plums, and strawberries, and some improved peas and other vegetables, for we are familiar with improved fruits and vegetables as things of constant introduction now-a-days, and we are apt to hold cheaply whatever comes easily. But it is a fact to be remembered that our present plentiful supply is due to the initial labours of Thomas Andrew Knight, and the example he set. Dr. Bull has then done a fitting thing in giving some details of the live history and work of one of Herefordshire’s chief worthies in the "Herefordshire Pomona."

The plan of the book in reference to the fruits described is to tell the origin or history, and give a technica) description of each fruit and its uses, with particulars us to the soils and situations in which it has been found to thrive. Mach fruit is also depicted in a coloured drawing, and these illustrations must have been produced at great cost. They are some of the most successful instances of colour-printing we have seen. It is needless to add that while greatly adorning the work they add immensely to its practical value.

"The Herefordshire Pomona" is a work to be proud of, and everyone interested in the cultivation of apples and pears will feel bound to possess himself of a copy. The second part will be issued next year. Dr. Hogg, a well-known authority on Pomology, and an honorary member of the Woolhope Club, has kindly undertaken the arduous labour of editing the work.

Whilst comparatively few of us can adequately appreciate and thoroughly understand the minute descriptions of specific differences, and the elaborate articles on foreign Geology which form the more important records contained in the leading journals devoted to this science, it is with much pleasure that we take up a work devoted to the Geology and Botany of a district so near, and in many points so similar to our own as West Yorkshire. Nothing tends so much to show the value of local scientific societies as the publication of the results of the work of their members, especially when devoted, as is the goodly volume before us, to the elucidation of the physical phenomena peculiar to the several districts over which such societies claim special rights of investigation.

West Yorkshire is by no means a small area, for it contains 2,760 square miles; and it will therefore be seen that the examination of The Geology and Botany of so large a district is a very arduous undertaking.