Sold by Dulau and Co., 37, Soho Square, W. 
EECENT PAPERS IN THE ‘PHILOSOPHICAL TRANSACTIONS,’ 
1902-1903. 
Series A.—Mathematical and Physical. 
A. 331. Experimental Eesearches on Dra^ra Steel. By J. Eeginald AsEmmiH, M.Sc. (Viet.), 
Price 3s. 
A. 332. The Specific Heats of Metals and the Eelation of Specific Heat to Atomic IVeight._Part II. 
By W. A. Tilden, D.Sc., F.E.S., Professor of Chemistry in the Eoyal College of Science, 
London. Price Is. 
A. 333. An Experimental Determination of the Variation with Temperature of the Critical Velocity of 
Flow of Water in Pipes. By E. G. Coker, M.A. (Cantab.), D.Sc. (Edin.), Assistant Professor 
of Civil Engineering, McGill University, and S. B. Clement, B.Sc. (McGill), Demonstrator in 
Civil Engineering, McGill University, Montreal. Price Is. 
A. 334. On an Approximate Solution for the Bending of a Beam of Eectangular Cross-Section under 
System of Load, with Special Eeference to Points of Concentrated or Discontinuous 
Loading. By L. N. G. Filon, B.A. (Cantab.), M.A., B.Sc. (Lond.), King’s College, Cambridge, 
Fellow of University College, London, and 1851 Exhibition Science Eesearch Scholar. 
Price 5s. 
A. 335. On the Vibrations and Stability of a Gravitating Planet. By J. H. Jeans, B.A., Isaac Newton 
Student, and Fellow of Trinity College, Cambridge. Pidce Is. fid. 
A. 33fi. On the Formation of Definite Figures by the Deposition of Dust. By W. J. Eussell, Ph.D., 
F.E.S. Price 2s. fid. 
A. 337. The Spectrum of y Cygni. By Sir Norman Lockyer, K.C.B., F.E.S,, and F. E. Baxandall, 
A.E.C.Sc. Price 2s. fid. 
Series B. — Biological. 
B. 208. The Pharmacology of Pseudaconitine and Japaconitine considered in Eelation to that of 
Aconitine. By J. Theodore Cash, M.D., F.E.S., Eegius Professor of Materia Medica in 
the University of Aberdeen, and Wyndham E. Dunstan, M.A., F.E.S., Director of the 
Scientific and Technical Department of the Imperial Institute. Price 3s. 
B. 209. The Pharmacology of Pyraconitine and Methylbenzaconine considered in Eelation to their 
Chemical Constitution. By J. Theodore Cash, M.D., F.E.S., Eegius Professor of Materia 
Medica in the University of Aberdeen, and Wyndham E. Dunstan, M.A., F.E.S., Director 
of the Scientific and Technical Department of the Imperial Institute. Price Is. 
B. 210. The Structure and Development of the Stem in the Pteridophyta and Gymnosperms. By 
Edward C. Jeffrey, Ph.D. (Harvard). Price 3s. 
B. 211. On the Structure of the Gills of the Lamellibranchia. By W. G. Eidewood, D.Sc., F.L.S., 
Lecturer on Biology at the IMedical School of St. Mary’s Hospital, London. Price 9s. fid. 
B. 212. The Development of Echinus Escidenius, together vdth some Points in the Development of 
E. MiUaris and E. Acutus. By E. W. MacBride, M.A., D.Sc. (Lond.), sometime Fellow of 
St. John’s College, Cambridge; Strathcona Professor of Zoology in the McGill University, 
Montreal. Price 8s. fid. 
B. 213. Title, Contents, Index, &c., Vol. 195. Price fid. 
B. 214. The Seed-Fungus of Lolmm TemnJentuin, L., the Darnel. By E. M. Freeman, M.S., University 
of Minnesota. Price 3s. 
B. 215. On the Histology of Uredo dispersa, Erikss., and the “Mycoplasm” Hypothesis. By 
H. Marshall Ward, Sc.D., F.E.S., Professor of Botany in the University of Cambridge. 
Price 3s. 
Cloth cases for binding the ‘ Philosophical Transactions ’ can be obtained of Harrison and Sons, 
St. hlartin’s Lane. Price Is. fid. 
