130 
School. Lighting: )) iby aie SH:. Ti. Nash.) Pp.),28: 
(London: J. and A. Churchill.) 1s. net. 
Die Mechanik des Geisteslebens By- Prof. M. 
Verworn. Pp. 92. (Leipzig und Berlin: B. G. 
Teubner.) 1.25 marks. 
Tasmanian Bryophyta. Vol. i. Mosses. By L. 
Rodway. Pp. 163. (Hobart: Royal Society of Tas- 
mania.) 55. 
Royal Society of Tasmania. The Foundation and 
Early Work of the Society, with Some Account of other 
Institutions. of Early Hobart. By E. L. Piesse. Pp. 
117-166. (Hobart: Royal Society of Tasmania.) 2s. 
Allgemeine Ergebnisse und Probleme der Natur- 
wissenschaft. Eine Einfithrung in die moderne Natur- 
philosophie. By Dr. B. Bavink. Pp. xiii+ 314. 
(Leipzig : S. Hirzel.) 6 marks. 
Das neue Botanische Institut der Universitat Inns- 
bruck. By Prof. E. Heinricher. Pp. 18+iii plates. 
(Jena: G. Fischer.) 80 pfennigs. 
Mysore Government Meteorological Department. 
Report on Rainfall Registration in Mysore for 1912. 
By N. V._ Iyengar. Pp. xviit+49. (Bangalore : 
Government Press.) 
Paul Ehrlich. Eine Darstellung seines wissenschaft- 
lichen Wirkens. By H. Apolant, H. Aronson, H. 
Bechhold, J. Benario, and others. Pp. viii+668. 
(Jena: G. Fischer.) 16 marks. 
DIARY OF SOCIETIES. 
THURSDAY, Aprit 2. 
Rovat Society, at 4.30.—Bakerian Lecture : Series Lines in Spark Spectra: 
Prof. A. Fowler. 
Rovar InstiTuTION, at 3.—The Progress of Modern Eugenics. II. 
Eugenics To-day: Its Counterfeits, Powers, and Problems: Dr. C. W. 
Saleeby. 
Cuitp Stupy Society, at 7.30.—The Nervous Child: Dr. L. Guthrie. 
INSTITUTION OF ELECTRICAL ENGINEERS, at 8.—The Signalling of a Rapid 
Transit Railway : H. G. Brown. 
LiInNEAN Society, at 8.—Plants, Natives of Australia found growing on 
the Banks of the Rivers Tweed and Gala; also Seeds from Australian 
Wool: Miss Ida M. Hayward.—Lantern Slides of Cape Plants, mostly 
in their Native Habitats. Second Series: W. C. Worsdell.—Mr. W. A. 
Lambourn’s Breeding Experiments upon Acvwa encedon, Linn., in the 
Lagos District of West Africa, 1910-1912 : Prof. E. B. Poulton.—Structure 
of the Wood of Himalayen Junipers: W. Rushton.—A Contribution to 
the Flora of Fiji: W. B. Turrill.—A New Amphipodan Genus and Species 
(Family Dexaminidz) from New Zealand: Prof. C. Chilton. 
FRIDAY, Aprit 3. 
Roya. INSTITUTION, at 9.—Further Researches on Positive Rays: Sir 
J. J Thomson. 
INSTITUTION OF CiviL ENGINEERS at 8.—Fast Stirlingshire Waterworks, 
and a Note on Earthen Embankments: O. I. Bell. 
GroLocists’ AssociaATION, at 8.—The Geology of North Cornwall: H. 
Dewey. 
SATURDAY, Aprriv 4. 
Roya InstiTuTIon, at 3.—Recent Discoveries in Physical Science : Sir 
J. J. Thomson. 
MONDAY, Apri 6. 
Society OF ENGINEERS, at 7.30.—The Utilisation of Solar Energy: A. S. E. 
Ackermann. 
SOcIETY OF Cuemicat Inpustry, at 8.—By-products from Peat: F. 
Mollwo Perkin.—Sulphuric Acid—the Swing of the Pendulum: H. E. 
Armstrong.—Table of Specific Gravities of Spirits for Use with Bedford’s 
Tables: J. N. Rakshit and S. N. Sinha.—The Viscosity of Rubher 
Solution: R. Gaunt. 
ARISTOTELIAN SOCIETY, at 8.—Dzscussion: The Value of Logic: Dr. A. 
Wolf and Dr. F. C. S. Schiller. 
Rovat GEOGRAPHICAL SociETy, at 8.30.—Some Famous Maps in the 
British Museum: J. A. J. de Villiers. 
VicTorIA INSTITUTE, at 4.30.—The First Chapter of Genesis: E. W. 
Maunder. 
TUESDAY, Apriu 7. 
RENEGEN SociETy, at 8.15.—The Energy of the Réntgen Rays: Dr. R. T. 
eatty. 
ILLUMINATING ENGINEERING SociETy, at 8.—The Lighting of Railway 
Carriages and other Public Vehicles: E. K. Scott. 
ZooLocicaL Society, at 8.30.—Contributions to the Anatomy and Sys- 
tematic Arrangement of the Cestoidea.—XIII. Two New Species 
belonging to the Genera Oochoristica and Linstowia, with Remarks upon 
those Genera: Dr. F. E. Beddard.—The Nature of the Lateral Muscle in 
Teleostei: E. W. Shann.—Report on the River-Crabs (Potamonidz) 
collected by the British Ornithologists’ Union Expedition and the 
NO. 2318, VOL. 93] 
NATURE 
See 
[APRIL 2, I914 
Wollaston Expedition in Dutch New Guinea: Dr. W. T. Calman.— 
Report on the Mammals collected by the British Ornithologists’ Union 
Expedition and the Wollaston Expedition in Dutch New Guinea’: Oldfield 
Thomas.—Notes on a Collection of East Africarr Mammals presented to 
the British Museum by G. P. Cosens : G. Dollmian. 
INSTITUTION OF CIvIL ENGINEERS, at 8.—The Transportation Problem in 
Canada, and Montreal Harbour: F. W. Cowie. ‘ 
WEDNESDAY, Apri 8. 
Roya ASTRONOMICAL SOCIETY, at 5. 
GroLoaicaL Society, at 8.—The Evolution of the Essex River System, 
and its Relation to that of the Midlands: Prof. J. W. Gregory.—The 
Topaz-bearing Rocks of Gunong Bakau (Federated Malay States: J. B. 
Scrivenor. 
THURSDAY, ApRit 9. 
CoNcCRETE INSTITUTE, at 7.30. 
CONTENTS. PAGE 
The Syrian Goddess. By L. W. K. . 1 Fee Lae 105 
Stones and’ Superstitions. | ByiJ. We. Jo. . 5 2. tos 
Animal Morphology and Embryology . 106 
Our Bookshelf 108 
Letters to the Editor :— 
The Doppler Effect and Carnot’s Principle.—Prof. 
HL. Callendap BeRSS 5. 95) sien ae LOL 
Lead and the Final Product of Thorium.—Dr. Arthur 
Holmes a Se hae Raat arc hs eae HGS. 
Thermions and the Origin of Solar and Terrestrial 
Magnetism.—S. J. Barnett .... . | = 3) OG 
A Triangle that gives the Area and Circumference of 
any Circle, and the Diameter of a Circle equal in 
Area to any given Square. (MV2th Diagram).— 
T. M. P. Hughes; Prof. G. B. Mathews, 
jl SRS OO e tO cb EMGI oucn Ghe Omi: oa o ¢ 110 
New Units in Aerology.—Robert E. Baynes . . 110 
Progress in Wireless Telephony. (///ustrated.) By 
Prof. J. A: Pleming; FoRIS, 2 Ea fda > LI: 
A Bird with a History. (J//ustrated.) By A. L. T.. 113 
Ds:.G. J. Burch, F)R.S. «By HeyMie Ve <0) 2) ee 
Prof,G: M. Minchin; BiR iS. (By Ra7Av iG.” ees 
Notes 2.02 ul .e tr Rr a 
Our Astronomical Column :— 
Astronomical Occurrences for April . ...... 121 
A New Comet BS re cs 121 
Jupiter Visible before Sunrise). << ss). =) eee 
A Proposed Tower Telescope. . 121 
Annual Report of the Hamburg Observatory in 
Bergedorf Ngee ink Qeeanel 
Optical Rotatory Power... . 
oP, ee lee 
Lizard Venom. By Dr. C. J. Martin, F.R.S. 123 
Chinese Paleontology. By F. R.C. Reed... . 123 
Marine Biology. By]J.J. .. 124 
Crystalline Structures as Revealed by X-Rays. By 
Proms. HH. Brages Bans Seen lene 124 
University and Educational Intelligence . 126 
Societies and Academies 126 
Books Received . 129 
Drary Of societies - = 2 2). 130 
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Advertisements and business letters to be addressed to the 
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Editorial Communications to the Editor. 
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