523 



Nitric acid solutions, physical properties of (Veley and Mauley), 128. 

 Nova Persei (Lockyer), 119, 142, 230, 399. 



CEstrous cycle, corpus luteum and ovulation in the sheep (Marshall), 135. 

 Opliioglossum, prothallus of (Lang), 405. 



Orientation of Greek temples, some additional notes on (Penrose), 112. 

 Ozone, influence of, on bacteria (Eansome and Foulerton), 55. 



Papers read, Lists of, 1, 15, 55, 78, 116, 125, 146, 170, 248, 262, 327. 367. 

 Parker (W. H.) See Moore and Parker. 



Pearson (K.) Mathematical Contributions to the Theory of Evolution. IX. On 

 the Principle of Homotyposis and its Eelation to Heredity, to the Variability 

 of the Individual, and to that of the Pace. Part I. Homotyposis in the 

 Yegetable Kingdom, 1 ; on the Mathematical Theory of Errors of Judgment, 

 ■with Special Keference to the Personal Equation, 369 ; Mathematical Contri- 

 butions to the Theory of Evolution. X. Supplement to a Memoir on Skew 

 Variation, 372. 



Pelvic plexus in Acanthias vulgaris (Punnett), 140. 



Penrose (F. C.) Some Additional Notes on the Orientation of G-reek Temples, 

 being the Eesult of a Journey to Greece and Sicily in April and May, 1900, 

 112. • 



Petavel (J. E.) On the Heat dissipated by a Platinum Surface at High Tempera- 

 tures. Part IV. High-pressure Gases, 246. 



Phillips (C. E. S.) The Action of Magnetised Electrodes upon Electrical Dis- 

 charge Phenomena in Earefied Gases, 147. 



Photographic image, variation in gradation with, light of different wave-lengths 

 (Abney), 300. 



Platinum surface, heat dissipated by, at high temperatures (Petavel), 246. 

 Proteid Eeaction of Adamkiewicz (Hopkins and Cole), 21. 

 Prothalli of Ophioglossum pendulum, &c. (Lang), 405. 



Pseudaconitine and japaconitine, pharmacology of (Cash and Dunstan), 378. 

 Psilotum, prothallus of (Lang), 405. 



Punnett (R. C.) On the Composition and Variations of the Pelvic Plexus in 



Acanthias vulgaris, 140. 

 Pyraconitine and methylbenzaconine, pharmacology of (Cash and Dunstan), 384. 



Eamage (H.) See Hartley and Eamage. 



Eansome (Arthur) and Foulerton (A. G-. E.J On the Influence of Ozone on the 



Vitality of some Pathogenic and other Bacteria, 55. 

 Eayleigh (Lord) On a New Manometer, and on the Law of the Pressure of Gases 



between 1*5 and 0*01 Millimetres of Mercury, 92. 

 Respiratory exchange and thermal adjustment in Monotremes, &c. (Martin), 352. 

 Ehodes (Herbert) See Bruntonand Ehodes. 

 Bine Barrels, Vibrations of (Mallock), 327. 



Eogers (Leonard) The Transmission of the Trypanosoma Evansi by Horse Flies, 

 and other Experiments pointing to the Probable Identity of Surra of India 

 and Nagana or Tsetse-fly Disease of Africa, 163. 



Boss (Eonald) elected, 326 ; admitted, 360. 



Schlich (W.) elected, 326 ; admitted, 366. 



Schunck (C. A.) The Yellow Colouring Matters accompanying Chlorophyll and 

 their Spectroscopic Eelations, Part II, 474. 



