726 



EEPORT — 1878. 



Perry (Prof. J.) and Prof. W. E. Ayrton, a 

 new determination of the number of 

 electrostatic units in the electro- 

 magnetic unit, 487 ; on the electrical 

 properties of bees' wax and lead chlo- 

 ride, 497. 

 Phene (Dr. J. S.) on the courses of mi- 

 gration and commerce, traced by art 

 relics and religious -emblems, 583 ; on 

 some geographical variations on the 

 coast of France, 628.; on the acquisi- 

 tion by England of Cyprus, and some 

 observations on the islands in the 

 Levant, 634. 

 Phipson (Dr. T. L.) on some substances 

 obtained from the root of the straw- 

 berry, 514 ; on a new mineral white 

 pigment, 514, 

 Phonoscope, Edmunds' electrical, W. 



Ladd on, 448. 

 * Photo- chemical printing in metallic 

 platinum, a new process of, W. Willis, 

 jun., on, 518. 

 Photographie solaire, une nouvelle me- 

 thode de, et les decouvertes quelle 

 donne touchant la veritable nature 

 de la photosphere, Dr. J. Janssen 

 sur, 443. 

 Physical properties of the matter of the 

 interior of the earth, the limits of 

 hypotheses regarding the, Prof. H. 

 Hennessy on, 485. 

 Physiology, Anatcmy and, Address by 

 Dr. McDonnell to the Department of, 

 593. 

 Plant (J.) on the erratic blocks of Eng- 

 land, Wales, and Ireland, 185; on the 

 circulation of underground waters, 382. 

 Plunkett (T.) on the exploration of the 



Fermanagh Caves, 183. 

 Pneumatic battery, Byrne's compound 



plate, W. Ladd on, 448. 

 Polariscope, a new form of, by Prof. W. 



G. Adams, 486. 

 Pole (Dr.) on Babbage's analytical ma- 

 chine, 92. 

 *Political economy, the definitions of, 



Prof. Maguire on, 667. 

 Poor removal question, some statistical 

 researches into the, witli special refer- 

 ence to the removal of persons of Irish 

 birth from Scotland, by Dr. W. N. 

 Hancock, 667. 

 Power (J. B.) on the excretion of nitro- 

 gen : Part II., By the skin, 602. 

 Pre- Cambrian rocks in North Wales, some 



new areas of, Dr. H. Hieks on, 586. 

 .Precession of a viseous spheroid, G. H. 



Darwin on the, 482. 

 *Preece (W. H.) on recent improvements 



in telegraphic apparatus, 697. 

 Prehistoric monuments of Cornwall as 

 compared with those of Ireland, Miss 

 A. W. Buckland on the, 578. 



Prehistoric relations of the Babylonian, 

 Egyptian, and Chinese characters and 

 culture, Hyde Clarke on the, 590. 



sculptures of Ilkley, Yorkshire, J. R. 



Allen on the, 580. 



*Prejevalsky, Eichthofen, and Lake Lob, 

 E. D. Morgan on, 629. 



Prestwich (Prof.) on the erratic blocks 

 of England, Wales, and Ireland, 185 ; 

 on the exploration of the Settle Caves 

 (Victoria Cave), 377 ; on the Kentish 

 boring exploration, 380 ; on the circu- 

 lation of underground waters, 382. 



Price (F. G. H.) on the examination of 

 two caves near Tenby, 209. 



*Price (Dr. ■).), exhibition of germinating 

 specimens of Cardamine pratenns, 572. 



Price (J.) on the use of wind power for 

 raising water, disposal of sewage, and 

 drainage, with special reference to 

 Ireland, 709. 



Primes, certain special enumerations of, 

 J. W. L. Glaisher on, 470. 



Primitive human family, C. S. Wake on 

 the, 592. 



Propellers, the effect of, on the steering 

 of vessels, report on, 419. 



Purser (F.) on the occurrence of equal 

 roots in Lagrange's determinental 

 equation of small oscillations, 463 ; on 

 the geometrical treatment of bicircular 

 quartics, 465. 



*Purser (Prof. J.) on the applicability of 

 Lagrange's equations to certain pro- 

 blems of fluid motion, 463. 



Pyridine series, summary of investiga- 

 tions on the, by Dr. W. Ramsay, 511. 



*Quadric transformation, Prof. H. J. S. 

 Smith on, 465. 



Races anciennes de l'lrlande, les, par H. 

 Martin, 585. 



*Radiolarians, some deep sea, Sir Wyville 

 Thomson on, 571. 



and diatoms of the carboniferous 



rocks, the supposed, Prof. W. C. William- 

 son on, 534. 



Rae (Dr. J.) on the geographical distri- 

 bution and migrations of birds, &c, on 

 the northern shores and lands of 

 Hudson's Bay, 558; *on the best route 

 to attain a high northern latitude, or 

 the Pole itself, 636. 



Rainbows, certain phenomena accom- 

 panying, Prof. S. P. Thompson on, 45Q. 



Rainfall, sunspots and, report on, by C. 

 Meldrum, 230. 



of Ireland, G. J. Symons on the, 



692. 



Ramsay (Dr. W.), summarj' of investiga- 

 tions on the pyridine series, 511 ; on 



