oe ne 
Review of Cleaveland’s Mineralogy. 35 
all the flats and sharps. Had the examination been more ex- 
tensive, the results might be relied on with greater assurance 
as accurate; but the general similarity, not only in the struc- 
ture of different musical compositions, but in the comparative 
frequency of the different keys in different authors, is so great, 
that a more extensive examination was thought to be of little 
practical importance. 
(To be continued.) 
Arr. II. Review of an Elementary Treatise on Mineralo- 
sy and Geology, being an introduction to the study of 
these sciences, and designed for the use of pupils; for per- 
sons attending lectures on these subjects; and as a com- 
panion for travellers in the United States of America— 
Mlustrated by six plates. By Parxer Cieaveiann, Pro- 
fessor of Mathematics and Natural Philosophy, and Lec- 
turer on Chemistry and Mineralogy in Bowdoin College, 
Member of the American Academy, and Corresponding 
Member of the Linnzan Society of New-England. 
— itum est in viscera terre : : 
Quasque recondiderat, Stygiisque admoverat umbris, 
Effodiuntur opes ———-——_— VID. 
Boston, published by Cummings & Hilliard, No. 1 Cornhill. 
Printed by Hilliard and Metcalf, at the University Press, 
Cambridge, New-England. 1816. 
‘ work has been for some time before the public, and 
it has been more or less the subject of remark in our various 
journals, It is, however, so appropriate to the leading ob- 
Jects of this Journal, that we cannot regard ourselves as 
performing labours of supererogation while we consider the 
necessity, plan and execution of the treatise of Professor 
Cleaveland. 
An extensive cultivation of the physical sciences is peculiar 
fo an advanced state of society, and evinces, in the country 
