712 



INDEX. 



Petroleum, Composition of, 563-595, 

 620. 



Peyritschiella Xanthopygi, 29. 



Peysonnellia Dubyi, 260. 

 rubra, 260. 



Phormidium Retzii, 239. 



Phototaxis, 206. 



Physico-chemical Change, The Law 

 of, 47-69. 



Pickering, E. C, Co-operation in Ad- 

 ministering Research Funds, 

 602. 



Picric Acid, Derivatives of, 629. 



Pissaroff, V., Ophthalmological Hos- 

 pital, 599. 



Plectonema Nostocorum, 240. 

 Wollei, 240. 



Plowman, A. B., On the Ionization 

 of Soils, 628. 



Poincare, H., accepts Membership, 

 613. 



Points, Multiple, 628. 



Points, Regular Singular, 628. 



Polysiphonia cuspidata, 256. 

 ferulaea, 256. 

 Havanensis, 256. 

 Havanensis var. Rinneyi, 256. 

 Pecten-Veneris, 256. 

 secunda, 256. 

 subulata, 256. 



Polysphondylium, 341. 

 album, 342. 

 pallidum, 341. 

 violaceum, 341. 



Porter, R. A., The Influence of 

 Atmospheres of Nitrogen and 

 Hydrogen on the Arc Spectra 

 of Iron, Zinc, Magnesium and 

 Tin, compared witli the Influ- 

 ence of an Atmosphere of Am- 

 monia, 628. 



Porter, W. T., elected Resident 

 Fellow, 613 ; accepts Fellowship, 

 614. 



Pringsheimia scutata, 243. 



Pritchett, H. S., elected Resident 

 Fellow, 613. 



Psycho-Physical Laboratory, 599. 



Publication, Committee of, Report 

 of, 605, 625. 



Publications, Appropriations for, 607, 

 626. 



Putnam, F. W., Archaeological Work 

 of J. H. Blake, 612. 



Putnam, H., Delegate to Bodleian 



Library Commemoration, 620; 



elected Associate Fellow, 618; 

 accepts Fellowship, 620. 



Radiation from Carbon, The Visible, 

 71-118, 612. 



Records of Meetings. 599-628. 



Rhacomyces Dolicaontis, 39. 

 Glyptomeri, 39. 

 Oedichiri, 38. 



Rhipocephalus Phoenix, 245. 



Rhynchobolus dibi'anchiatus, 551- 

 562. 



Richards, T. W., Grant from Income 

 of Rumford Fund to, 602, 624, 

 626 ; Modifications of Hempel's 

 Gas- Apparatus, 271-277, 615; 

 Table of Atomic Weights, 630'; 

 The Possible Significance of 

 Changing Atomic Volume, 1-17, 

 397-411, 612; The Probable 

 Source of the Heat of Chemical 

 Combination, and a New Atomic 

 Hypothesis, 397-411, 617; The 

 Standard of Atomic AVeights, 

 175-181, 615 ; Thomson-Joule 

 Experiment, 602, 624. 



Richards, T. W., and Archibald, E. 

 II., The Decomposition of Mer- 

 curons Chloride by Dissolved 

 Chlorides : a Contribution to 

 the Study of Concentrated So- 

 lutions, 345-361, 615. 



Richards, T. W., and Ileimrod, G. 

 W., On the Accuracy of the 

 Improved Voltameter, 413-443. 



Richards, T. W., and Merigold, B. 

 S., A new Investigation con- 

 cerning the Atomic Weight of 

 Uranium, 363-395, 615. 



Richthofen, F. Freiherr von., elected 

 Foreign Honorary Member, 611; 

 accepts Membership, 613. 



River Terraces, 619. 



Robinson, B. L., Diagnoses and Syn- 

 onymy of some Mexican Sper- 

 matophytes, 628 ; Flora of Cocos 

 Island of the Pacific, 628; Re- 

 vision of the Galapagos Flora, 

 617. 



Rotch, A. L., Report of Librarian, 

 606, 622. 



Rowland, H. A., Death of, 599. 



Rumford Committee, Report of 

 (1900-01), 601, (1901-02), 623. 



