EET ER Sr aE E NI AMER TTY Peer ane HO OMe REDO AT aN ee eee fee Onn eRe ea 
Miscellaneous Intelligence. 337 
2, ta by Col. A. R. Crarxn, R.E., F.R.S., etc. Oxfor 
1880. 8°, 356 pp.—This w supplies a want long seriously felt 
in the English literature of Its late date gives it the 
great advantage of comprising the ost recent improved methods 
in observation and theoretical sieaaon The treatment of the 
subject is simple, pertinent and condensed, while illustrations are 
gathered with rare discrimination from the governmental reports 
of all ser now prosecuting geodesic operations. Col. Clarke, 
who has long been connected with the Trigonometrical Survey of 
Great ‘Beivatn, and of late years has had “charge of its Geodesy, 
adds to the general didactic treatment of the su ject a brief 
discussion of the figure of the earth as determined from weodesic 
not differ sensibly, so far as can be ascertained from pcp 
data. By both methods the ratio of the polar and equatorial 
diameters is now found to be about 292: 293. This nite pps 
be in ae eer of every pcr lh of geodes 
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Mr. wan King, has lished | iy tasteful 
i rot irce. 
It contains, after the introductory note by the rei the notice 
of Professor Peirce published in the Register in May, 1880, a brief 
statement of his final illness and of the services at the funeral, with 
the address of the Rev. J. F. Clarke, delivered at that time; it 
also contains obituary ee ay reprinted from other publications, 
several memorial sermons, an poem by Dr. Holmes. <A 
excellent portrait of a bean paoraed mathematician forms 
the i eataplece of the 
4. The Atomic Thaoe is ae ‘Ap. Wurrz, translated by E. Clem 
a 344 pp. 8vo. New York, 1881 (international Scientific 
s—D. Appleton ‘& Co.).—Prof, Wurtz has given a very 
ee a: now acc i. 
Third Ticats Geographical Congress. —The firs 
poke tional Congress was held at Antwerp in 1871, and the sec- 
ond at Paris, in 1875. The third will be held at Venice ie 
ke i 
the w m ing on the 15th of September next. e Geo- 
ers dbpred op area will be opened Sept. Ist, and close not 
fore O e Congress will be divided into seven Hyde. 
(1) Mathematical Sospep Geodesy, Fopog iit (2) H 
‘Mmical, Commercial Statistical Geogr phy 5 ( (6) Methodology, Tui- 
tion of Geography ; (7) Hxploring am 
5 iikial Expeditions, 
Nectar 
