482 Miscelianeous Intelligence. 
decimals. The cycle corresponds therefore with the time of the 
Esty rotation, the mean of which is 26°33 days. e magnetic 
delivered before the convocation of the University of the State of 
ork, at Albany, August, 1871; by Freperick A. P. Bar- 
ins, S.T.D., LL.D., President of Columbia a College, New York, 
1872. 8vo. pp. 194 4,—President Barnard’s address on the Metric 
System was delivered in obedience to a resolution of the Board of 
Trustees of Columbia College, requesting him to attend the convo- 
cation of the University of New York, at Albany, in August, 
1871, and explain to that body ote far the views of the Faculty 
of Columbia College, in respect to the Metric System of Weights 
and Measures, are in accordance with those of a committee made 
to the convocation on that subject the previous year. From this 
positions of the passes reporter of the former year, adverse to 
least acrimony and with a most charming geniality of humor. 
But the scientific interest of Dr. Barnard’s address is its fea- 
ture of real and permanent value. Like all his writings this ad- 
dress is characterized by co mpleteness, exactness and clearness of 
-onerarm He divides his subject under the following heads, 
and Nature of the Meta System ; Recent progress 88 of 
and i in a series of Appendices and Notes he adds important jute 
“On the Unification of Moneys; Effect upon existing contracts of 
a change in the legal weight of coins; The New System of Coin- 
age of the Japanese Empire; On Capacity Measures and the 
measures, and cannot fail to exercise an important mm la- 
advancing and strengthening the public appreciation of the bebe’ 
wide importance of this subject, leading, it is to be ho ped, at ‘ 
late day to the adoption of thé only system which has any chane 
of success as a universal standard, viz., the Metric System. Bs 
4. Die Hieserguete der Fitterung der landwirthscha, pi 
Nitzthiere, von Dr. Pur. Tuzopor von GouREN, 637 pp. °' 19 
with 36 wae ‘otk, Leipzig, 1872. C. L. Hirschfeld.—This ¥ 
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