We must keep some beds for color, but not carry this to excess. Spring flowers are the loveliest of all, and the art of the gardener is shown in securing a regular succession, from the early Crocus to the Chrysanthemum, (Japan's emblem), in the dying days of autumn. Mr. Bright regrets, as we do, the absence from our gardens of many plants known and admired by our grand-parents. Who can show a bed of the Christmas Rose, or Helleborus.

J. T. asks why sulphuric acid must be used to make phosphates useful as a manure? Simply that the substance may be dissolved for nature to use it. The manufacture of this cheap acid is extensive in this country, and in England, 832,000 tons are annually made. Cheap glass and cheap soap depend on the cheap production of oil of vitriol, - a sour substance to contribute to our light and cleanliness.

Flies and mosquitoes are so troublesome in the warm weather that various contrivances are resorted to, to abate the nuisance. Catching the former by a glue that their wonderfully formed feet cannot escape when once they are in it, is very effective; and now we want a mosquito cure that will be more effective than the wire and the curtain. Cannot an American inventor discover an attractive bait, and thus make a fortune?