168 
NAT ORE 
[Apri 8, 1915 

tive pharmacodynamical action of gold in the colloidal 
and soluble states. So far as gold is concerned, the 
qualitative reactions on the heart are quite different 
in the colloidal and dissolved conditions.—B. Collin : 
Chromidina elegans.—E. Kayser ; Contributions to the 
study of the ferments of rum. 

BOOKS RECEIVED. 
Descriptive Geometry for Students in Engineering 
Science and Architecture. By Prof. H. F. Armstrong. 
Pp. vit125. (New York: J. Wiley and Sons, Inc.; 
London: Chapman and Hall, Ltd.) 8s. 6d. net. 
Structural Steel Drafting and Elementary Design. 
By C. D. Conklin, Jun. Pp. viit+3154. (New York: 
J. Wiley and Sons, Inc.; London: Chapman and Hall, 
Ltd.) tos. 6d. net. 
Canada. Department of Mines. Mines Branch. 
Economic Minerals and Mining Industries of Canada. 
Pp. vii+78. The Physical Properties of the Metal 
Cobalt. Part ii. By Dr. H. T. Kalmus and C. 
Harper. Pp. vit+48. Report on the Building and 
Ornamental Stones of Canada. Vol. iii. Province of 
Quebec. By Dr. W. A. Parks. Pp. xiv+304. 
(Ottawa: Government Printing Bureau.) 
Royal Botanic Gardens, Kew. Bulletin of Miscel- 
laneous Information, 1914. Pp. 404+Appendix. (Lon- 
don: H.M.S.O.; Wyman and Sons, Ltd.) 4s. 6d. 
Smithsonian Institution. U.S. National Museum. 
Report on the Progress and Condition of the U.S. 
National Museum for the Year ending June 30, 1914. 
Pp. 252. (Washington: Government Printing Office.) 
Smithsonian Institution. U.S. National Museum. 
Bulletin 89: Osteology of the Armored Dinosauria in 
the U.S. National Museum, with special reference to 
the genus Stegosaurus. By C. W. Gilmore. Pp. 
xi+143. (Washington: Government Printing Office.) 
A Chaplet of Herbs. By F. Hine. Pp. xv+168. 
(London: G. Routledge and Sons, Ltd.) 2s. 6d. net. 
The Potamogetons (Pond Weeds) of the British 
Isles, with Descriptions of all the Species, Varieties, 
and Hybrids. By A. Fryer and A. Bennett. Pp. 
X+94+60 plates. (London: L. Reeve and Co., Ltd.) 
5 guineas net. 
Floral Rambles in Highways and Byways. By 
Rey. Prof. G. Henslow. Pp. v+294. (London: 
Sib C@ Ke) 6se, met. 
University of Pennsylvania. The University Museum 
Anthropological Publications. Vol. vi., No. 2: The 
Dance Festivals of the Alaskan Eskimo. By E. W. 
Hawkes. pr 4a (Philadelphia : University 
Museum.) 
Annual Report of the Board of Regents of the 
Smithsonian Institution, 1913. Pp. xi+S8o04. (Wash- 
ington: Government Printing Office.) 1.10 dollars. 
The Evolution of Sex in Plants. By J. M. Coulter. 
Pp. ix+140. (Chicago: University of Chicago Press; 
Cambridge: At the University Press.) 4s. net. 
A Campaign against Consumption. By Dr. A. 
Ransome. Pp. viiit+263. (Cambridge: At the Uni- 
versity Press.) tos. 6d. net. 

MONDAY, Apriv 12. 
ARISTOTELIAN SOCIETY, at 8.—Phenominalism: C. D. Broad. 
Victoria INSTITUTE, at 4.30.—Astronomical Allusions in Sacred Books of 
the East: Mrs. Walter Maunder. 
Society oF CHEMICAL INDUSTRY, at §$.—The Detection of small quantities 
of Paraffin Wax in Beeswax, and the Determination of a new constant 
for East Indian and European Beeswaxes: M. S. Salamon and W. A. 
Seaber.—The Action of Dilute Acid, Alkalies and Salts on certain 
Metals: A. J. Hale and H. S. Foster.—Method of Assaying Copper : 
Arthur Fraser.—Resumied discussion of Dr. Tripp's Paper on ‘* Dickson 
Centrifuge System of Sewage Disposal.” 
TUESDAY, Aprrit 13. 
Society OF ENGINEERS, at 7.30.—Main Roads, Past and Present, and 
Modern Methods of Construction and Maintenance : F, Grove. 
ZOOLOGICAL SOCIETY, at 5.30.—A List of the Snakes of the Belgian and 
Portuguese Congo, Northern Rhodesia, and Angola: G. A. Boulenger.— 
(1) Some new Carnivorous Therapsids in the Collection of the British 
Museum : (2) The Organ of Jacobson and its relations in the ‘‘ Insecti- 
vora”’: Dr. R. Broom.—A Note on the Urostyle (Os Coccygeum) ot the 
Anurous Amphibia: Dr. G, E. Nicholls. —Some Notes on the Nato Breed 
of Cattle (Bos taurus): E. Gibson. 
INSTITUTION oF CIviIL ENGINEERS, at 8.—Impact Coefficients for Railway 
Girders: C. W. Anderson. 5 
WEDNESDAY, Aprtt. 14. 
Grotocicat SocigrTy, at 8.—Further Observations on the Late Glacial or 
Ponders End Stage of the Lea Valley: S. Hazzledine Warren. 
THURSDAY, Apri 1s. 
InsTITUTION OF ELECTRICAL ENGINEERS, at 8.—The Power Supply of 
the Central Mining-Rand Mines Group: J. H. Rider: 
INSTITUTION OF MINING AND METALLURGY, at 8. 
Linnean Society, at 5.—Experiments and Observations bearing on the 
Interpretation of Form and Coloration in Plants and Animals: C, F. M. 
Swynnerton. 
FRIDAY, Aprit 16. 
INSTITUTION OF MECHANICAL ENGINEERS, at 8.— President’s address 
Dr. W. Cawthorne Unwin. 

CONTENTS. 
The Complete Works of Tycho Brahe... . : 
The Rise and Growth of Botany in the United 
PAGE 
14 
Kingdom: By J. B. Fy 3 2 ; : Dm FAC ay eonelvess 
Objective Psychology—Pure and Applied. By 
iP aN: ReneS CS Gums o 6 lH) a as UE 
Zoological Monographs 2) yee yee ite eee 
Our Bookshelf > tage beef faitas | i= reote cot edkolas Mates BL 
Modern ‘Substitutes for Butters.) ise use mn aes 
Through the Interior of Brazil. (J///ustvated.) By 
15 (- (Cis 0 Rae ae gs A Ratner rc 148 
The ‘‘Original” Specific Gravity of Beer. By C. 
Simmonds... : 0:5 2. geen Tes canto teem 
Roil-Callvof British) Birds ayemeemienen <iicnn a eee 
Notes a: Rsk, (3) Sts ie? suhag 
Our Astronomical Column :— 
Gomet 1915a:|(Mellish)) — yeumemrent=s ye ee 
NSM aE MMES 5 Clg ond ohn blo c obs HGH 
Stars with Variable Radial Velocities ....... 156 
Solar Radiation Measures in Egypt .. . FSP te io 
The Brilliant Fireball of Sunday, March 28. By 
Wink Denning. 5 5+: Daten, tae he ai not Ua eo LS 
Mbesiustitute of Metals) =e seem mil nee ¢ 
Recent Work on Invertebrates. By R.L. .... 158 
MineralStatistics:» By 0s @amame. =r 
Reproduction and) Heredityaeemease n-ne 
Backto Lister. By Sir R. J. Godlee, Bart, K.C.V.O. 160 
University and Educational Intelligence . 166 
Societiesiand Academies { fem-u-ie i =. SieneneLoy, 
Books Received co) we MORES wie Sc ROS 
Diary sof Societies’, ;\ . . geen 6 is = eee 



DIARY OF SOCIETIES. 
FRIDAY, Apri og. 
Roya ASTRONOMICAL Society, at s5.—(1) A Correction to the Determina™ 
tion of the Constants of the Node, the Inclination, the Earth’s Ellipticity- 
and the Obliquity of the Ecliptic ; (2) The Elements of the Moon’s Orbit : 
E. W. Brown.—The Errors of Measurements on Astrophotographic 
Plates : Winifred Gibson.—The Rotation of the Earth : Hermann Glauert. 
—A Simple Geometrical Construction for Determining the Heliographic 
Co-ordinates of Sun-spots: F. Henrotean.—Probable Papers: Com- 
parison of Magnitude Scales. Sixth Note—The Oxford Magnitudes. 
With a Preliminary Discussion of the Existence of Obscured Patches in 
the Sky: H. H. Turner.—The Sun-spot and the Solar Corona of 1914, 
August 21: A. L. Cortie, 
ALCHEMICAL Society. at 7.30.—The Phallic Element in Alchemical 
Doctrine: H. Stanley Redgrove. 
NO. 2371, VOL. 95] 

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