Tables of Analyses.

The subjoined tables Nos. I. to IV. give the analyses of the principal lime and cement stones hitherto discovered in Otago, together with English and foreign types. They are arranged into the four classes already referred to, viz., 1st, Rich Limes; 2nd, Poor Limes; 3rd, Hydraulic Limes; and 4th, Cements. A large number of the analyses of Otago stones are from the Jurors' Report of the New Zealand Exhibition and the publications of the Colonial Museum, but all the recent ones are by Professor Black, to whom I am very much indebted for assistance in investigating this subject Under his direction fifteen analyses of limestones and clays were made specially for the purpose of this paper by Mr. P. S. Hay, B.A. These analyses were done with great care and accuracy, and in the most exhaustive manner, consequently they form a valuable contribution to our information on one of the most important colonial resources.