Sold by .Harrison and Sons, St. Martin's Lane. 



PHILOSOPHICAL TRANSACTIONS 

 for 1903-4. 



Series A. Containing Papers of a Mathematical or Physical Character. 



Vol. 201 (1903). With 3 Plates. Price £1 16*. 6d. 

 Vol. 202 (1903). With 13 x J iates. Price £1 13*. Od. 



Sbbibs B. Containing Papers of a Biological Character. 



Vol. 195. With 16' Plates. Price £1 Is. Od. 

 Vol. 196. With 23 Plates. Price £1 16*. Od. 



RECENT PAPERS IN THE ' PHILOSOPHICAL TRANSACTIONS.' 



Published by DuLAtr & Co., 37, Soho Square. 



A. 357. Radiation in the Solar System : its effect on Temperature and its 

 Pressure on Small Bodies. By J. H. Poynting, ScD., F.R.S., Pro- 

 fessor of Physics in the University of Birmingham, Price 1*. 



A. 358. Title, Contents, Index, &c, Vol. 202. Price 6d. 



A. 359. On the Propagation of Tremors over the Surface of an Elastic Solid. By 

 Hobace Lamb, F.R.S. Price 2*. 



A. 360. On the Structure of Gold-Leaf, and the Absorption Spectrum of Gold. 



By J. W. Mallet, E.R.S., Professor of Chemistry in the University of 

 Virginia. Price 1*. 



A. 361. Mathematical Contributions to the Theory of Evolution. — XII. On a 

 Generalised Theory of Alternative Inheritance, with Special Reference 

 to Mendel's Laws/ By Karl Pearson, F.R.S. Price 1*. 6d. 



A. 362. On the Acoustic Shadow of a Sphere. By Lord Rayleigh, O.M., F.R.S. 



With an Appendix, giving the Values of Legendre's Functions from 

 P to P 20 at Intervals of Five Degrees. By Professor A. Lodge. Price 1*. 



A. 363. On the Integrals of the Squares of Ellipsoidal Surface Harmonic 



Functions. By G-. H. Darwin, F.R.S., Plumian Professor and 

 FelloAv of Trinity College, in the University of Cambridge. Price 1*. 



B. 219. On Reptilian Remains from the Trias of Elgin. By Gr. A Boulenger, 



F.R.S. Price 3*. 6d. 



B. 220. Studies in the Morphology of Spore -producing Members. No. V. — 

 General Comparisons and Conclusion. By F. O. Bower, Sc.D., F.R.S., 

 Regius Professor of Botany at the University of Glasgow. Price 2*. 6d. 



B. 221. A Method for the Investigation of Fossils by Serial Sections. By W. J. 



Sollas, D.Sc, LL.D., F.R.S., Professor of Geology and Palaeontology 

 in the University of Oxford. Price 1*. 



B. 222. An Account of the Devonian Fish, Paloeospondylus Gunni, Traquair. 



By W. J. Sollas, D.Sc, LL.D., F.R.S., Professor of Geology and 

 Palaeontology in the University of Oxford, and Igerna B. J. Sollas, 

 B.Sc, Lecturer on Zoology in Newnham College, Cambridge. Price 2*. 



B. 223. The Colour -physiology of Higher Crustacea. By Fbederick Keeble, 

 M.A., University College, Reading, and F. W. Gamble, D.Sc, Owens 

 College, Manchester. Price 12*. 6d. 



B. 224. Title, Contents, Index, &c. Vol. 196. Price 6d. 



B. 225. On the Fructification of Neuropteris heterophylla, Brongniart. By 

 Robert Kidston, F.R.S., L. and E., F.G.S. Price 1*. 



B. 226. On the Origin of Parasitism in Fungi. By George Massbe, F.L.S., 

 Principal Assistant, Herbarium, Royal Botanic Gardens, Kew. Price 1*. 



B. 227. On the " Islets of Langerhans " in the Pancreas. By H. H. Dale, M.A., 

 B.C., George Henry Lewes Student, University College, London. 

 Price 1*. 6d. 



