[JuLy 18, 1912 
522 Mest es 
Sueveyy: The Onegin of Clare Island comprise Experimental Science. II. Chemistry. By S. E. 
only the common earwig and three widespread acridiid | Brown. Pp. vi+ 140. (Cambridge: University 
grasshoppers. Press.) 2s. 
GOrTINGEN. Higher Algebra. for Colleges and Secondary 
Royal Society of Sciences.—The Nachrichten (physico- ere By me Pea Pp. vit320. (Cam- 
mathematical section), parts iii. and iv. for 1912, Te niversi : : 
contains the following Beate POMiibutednite Ae Electromagnetic Radiation and the Mechanical 
society :— 
July 15, 1911.—K. Wegener: Seismic records at the 
Samoa Observatory of the Géttingen Royal Society | 
in 1909 and Igto. 
February 3, 1912.—W. Voigt and P. Collet: Further 
communication on the polarisation of light diffracted 
from the Rowland grating. 
February 17, 1912.—O. Wallach; Researches (xxv.) 
from the Géttingen University Chemical Laboratory : 
* (i) the preparation of a new simple bicyclic terpene 
and tricyclic sesquiterpene; (ii) on ascaridol; (iii) on 
A?-menthenone-3 ; (iv) on the constitution of so-called 
‘““isocamphor ”’ (C,H,,0) and its reduction-product 
(C,,H,,O); (v) on the condensation-products of cyclic 
ketones with acetone—G. Tamman: The phase- 
diagram of carbonic anhydride. 
March 2, 1912.—E. Study: Groups of bilateral 
collineations.—H. Schottky: The changes in heated 
metallic films due to surface-forces.—J. Stark and G. 
Wendt: Serial spectral emission from solid metallic 
compounds exposed to canal-rays; minimal value of 
the exciting energy; band-spectral emission under 
canal-rays.—M. Lewitskaja: Some observations on the 
absorption of ight in andalusite. 
BOOKS RECEIVED. 
Die Veranderungen in der allgemeinen Zirkulation 
der Atmosphare in den gemiassigten Breiten der 
Erde. By Dr. A. Defaut: ~ Pp. 208. (Wien: A. 
Holder.) 
Handbuch der  regionalen Geologie. Edited 
By Profs. G. Steinmann and O. Wilckens. 
Band, 3 Abteilung—Armenien. 
Pp. 4o-+4 Taf. 
marks. 
Nigeria and its Tin Fields. 
Pp. xvi+488+plates. (London : 
Regional Geography—The 
Reynolds. Pp. vii+ 360. 
Black.) 3s. 6d. 
By Dr. F. Oswald. 
‘(Heidelberg : C. Winter.) 2.80 
By A. F. Calvert. 
E. Stanford.) 5s. 
World’) = “By J. 1B: 
(London: A. and C. 
Botany. Chapters on the Study of Plants. By 
Prof. G. S. Boulger.. Pp. viii+ 120. (Halifax : 
Milner and Co.) ts. net. 
Visvakarma: Examples of Indian Architecture, 
Sculpture, Painting, Handicraft, 
chosen by Dr. 
A. K. Coomaraswamy. 
First Series : One Hundred 
Examples of Indian Sculpture. Twelve plates. 
(London: The Author, 39 Brookfield, West Hill, N.; 
Luzac and Co.) 2s. 6d. 
Monograph on the Sub-Oceanic Physiography of 
the North Atlantic Ocean. By Dr. E. Hull. With 
a Chapter on the Sub- Osanie. Physical Features off 
the Coast of North America and the West Indian 
Islands. By Prof. J. W. W. Spencer. Pp. viii+ 
41-+plates xi. (London: E. Stanford.) 21s. net. 
Methods of Organic Analysis. By Prof. H. C. 
Sherman. Second edition. Pp. xvi+407. (London: 
Macmillan and Co., Ltd.) tos. 6d. net. 
A New System for Preventing Collisions at Sea. 
By Sir H. S. Maxim. Pp. xv+47. (London: Cassell 
and Co., Ltd.) 
A Study of the Bronze Age Pottery of Great Britain 
and Ireland, and its Associated Grave-goods. By the 
Hon. J. Abercromby. Vol. i., pp. 163+plates i. to 
Ixi.; vol. ii., pp. 128+plates Ixii to cx. (Oxford: 
Clarendon Press.) 31. 3s. net. 
NO. 2229, VOL. 89] 
1 Go:, itd*) 
Reactions arising from it. By Prof. G. A. Schott. 
Pp. xxii+330. (Cambridge: University Press.) 18s. 
net. 
Gross Manner. Studien zur Biologie des Genies. 
Edited by W. Ostwald. Dritter Band—Jacobus 
Henricus van’t Hoff. Sein Leben und Wirken. By 
Prof. E. Cohen. Pp. xv+638. (Leipzig: Akadem- 
ische Verlagsgesellschaft, m.b.H.) 14.75 marks. 
A Primer on Alternating Currents. By Dr. W. G. 
Rhodes. Pp. viiit145. (London: Longmans and 
Co.) 2s. 6d. net. ; 
A Scheme for the Detection of the More Common 
Classes of Carbon Compounds. By F. E. Weston. 
Third edition. Pp. viii+ 108. (London : Longmans. 
and Co.) 3s- 
La Maladie du Sommeil au Katanga. By F. O. 
Stohr. Pp. 83. (London: Constable and Co., Ltd.) 
Ss. net. : 
: Explanatory Notes to Accompany the Geological 
Map of Egypt, with Tables showing Distribution of 
Geological Formations and Economic Products. By 
Dr. W. F. Hume. Pp. ii+49+2 plates. (Cairo: 
Ministry of Finance, Survey Department.) 10 P.T. 
Electric Lighting and Miscellaneous Applications of 
Electricity. By W. S. Franklin. Pp. viii+299. (New 
York: The Macmillan Co.; London: Macmillan and 
2.50 dollars net. i 
The Golden Bough: a Study in Magic and Reli- 
gion. By Prof. J. G. Frazer. 3rd Edition. Part v., 
sets of the Corn and of the Wild, in two vols. 
Vol. pp. Vii+319; vol. ii., pp. xiit+371. (London: 
eeeauicn and Co:, Ltd.) 20s. net. ; 
‘CONTENTS. PAGE 
Botany and Gardening. By Dr. F. Cavers . . .. 407 
LnterralsEquations: ByiGaBavigene ea) 499 
Regional Geography. By J. W.G......... 500 
Agriculture in the East 2 
Our Bookshelf 
Letters to the Editor :-— 
Experiments with Kathode Rays.—Sir William 
Ramsay, K.C B., F.R.S. . 502 
Merlia normanz and its Relation to Certain Paleozoic 
Fossils. —R. Kirkpatrick .. ........ 502 
Curie’s Constant in the Ferromagnetic State.— 
ya. Ashworth: » +s eeeeeerceee. + 503 
The International Congress of Applied Chemistry. = 
Prof. Alexander Smith... .......-. 593 
Crystallo chemical Analysis. a New Method of © 
Chemical Analysis. By Dr. A. E. H. Tutton, 
10) SE ES 65 oc. aairetreeren oS. 3 503 
Malaria in India. By Sir Ronald Ross, K.C.B., 
ES Se Mes Sy 5 aeRO Te ots 505 
The 250th Anniversary of the Royal Society . 2+. 1 505 
IOUCS" 5. ei EMER Sige 5 os <6 GeigreO copter ice alc 508 
Our Astronomical Column :— 
The Masses of Double Stars... . . x 9 i Sir 
Solar Prominences in 1911... .. . ooo ees Sad 
die Manor Planet 1970 Malaga sis 9-0 Une me 512 
The Variation of Latitude... .. . cast epi as 
Reports of Observatories. . ....- - By ost 
Recent Work in Mineralogy and Petrography. By 
GP ANCS. .. |: 5 Seer te yt oe 512 
Very High Temperatures. " (tistrated) By Dr. J. A. 
Harker, BsR.S..- . re. 514 
University Education ‘in ‘Germany. By Prof. 
Wilbelm Munch . Me cic 
University and Educational Intelligence 2h Se eee 
Societies and Academies Pe Fwy. bee See Saree GYD 
Books#ieceived) |. ): (. irate : ogee 
