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the Island are of much Value in affording a supply of this material, as well as small quantities of phosphates and al— kalies. Where manures require to be purchased from abroad, those that will be found to produce the greatest effects are those capable of affording phosphates and alkalies, more especially bone earth, superphosphates of lime and guano; but when fish offal and seaweed can be procured in sufficient quantity, or when good dressings of oyster deposit are ap- plied, these foreign aids may well be dispensed with, at least for many years.”

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“The export of sheep and lambs is assuming large proportions."

Of this deposit of mussel mud Professor Sheldon speaks as follows: “The Island possesses one advantage which is unique and very valuable. I refer now to its thick beds of mussel mud or oyster mud, which are found in all bays and river mouths. The deposit, which is commonly many feet thick, consists of the organic remains of countless generations of oysters, mussels, clams and other bivalves of the ocean, and of crustaceous animals generally". The shells are gener- ally more or less intact, embedded in a dense deposit of mud- like stuff which is found to be a fertilizer of singular value and potency. The supply of it is said to be almost inex- haustible, and it is indeed a mine of wealth to the Island. A