INDEX II. 



347 



Nicliolson (H. A.) and Prof. Ilarkuess on 

 the green slates and porplijTies from 

 the lake-district, 74. 



Mger, W. W. Eeade on a journey to 

 the upper waters of the, 175. 



Numerical theorem, W. H. Walenn on 

 a, with practical applications, 16. 



•Nutrition, Dr. Brown Sequard on va- 

 rious alterations of, due to nervous 

 influence, 134. 



Oblique propeller. Prof. Osborne Rey- 

 . nolds on an, 222. 

 *Ocean telegraphy, Capt. E,owett on, 



224. 

 *01igochffitous worms, E. R. Lankester 



on, 120. 

 ♦Oolites of. the Bath district, W. S. 



Mitchell on the denudation of, 80. 

 *Opium, Dr. G. Thin on the use of, 



among the Chinese, 157. 

 Oscillations of a particle and a rigid body. 



Prof. R. S. Ball on the smaU, 20. 

 Oxus, Sir Henry Rawlinson on the early 



traditions of the river, 174. 

 Ozone, Dr. Moftatt on atmospheric, 61. 



fankhurst (Dr. R. M.) on the policy and 



provisions of a patent law, 196. 

 Paradise, Sir H. Rawlinson on the site 



of the terrestrial, 172. 

 Paralytics, J. Campbell Brown on the 

 , chemical composition of the bones of 



general, 51. 

 Parasite, Dr. Cobbold on a remarkable, 



135. 

 Parasites, Prof, van Beneden sur les, 111. 

 *Parasitic flatworm, E.. R, Lankester 



on a stock-form of the, 120. 

 Parkes (W.) on non- tidal variations of 



the sea-level on the coast of India, 19. 

 Parry (Dr. C. C.) on the desert-flora of 



North America, 122, 

 *Parry (J.) on baths and washhoiises, 



197. . 

 Patagonia, Western, R. 0. Cunningham 



-on the terrestrial and marine faima of, 



114. 

 Patent law, Dr. Pankhurst on the policy 



and provisions of a, 196. 

 Patterson (John) on the railway accounts 



for 1868 just issued by the Board of 



Trade, with suggestions for railway 



reform, 197. 

 Peach (0. W.), W. Carruthers on .an. 



antholithes discovered by, 72. 

 - — -, on an Ebalia new to the British 



list, 122. 

 Peacock (R. A.) on some future and past 



changes in the earth's climate, 82, 



Pebbles, James Thomson on the occur- 

 rence of, and boulders of granite in 

 schistose rocks in Islay, 88. 



Peugelly (W.) on the modern and ancient 

 beaches of Pprtland, 83. 



Pentacrinus, J. Gwjm Jefiieys on a, 

 from the coasts of Spain and Portu- 

 gal, 119. 



*Perkin3 (W. H.) on artificial alizarine, 

 61. 



Persia, H. H. Howorth on the pre-Turk- 

 ish frontagers of, 151. 



Phen6 (J. S.) on a recent examination 

 of British tumuli and monuments in 

 the Hebrides and on the western 

 coast of Scotland, 155. 



Phillips (J. Ai'thm-) on Claudet's pro- 

 cess for the extraction of silver, 61, . 



Phosphate process, David Forbes on the 

 utilization of sewage, with special re- 

 ference to the, 56. 



Phosphates, Dr. Gerland on the action of 

 sulphm-ous acid, in aqueous solution, 

 on, and other compounds, 56. 



*Phosphoric acid, J. Hargreaves on the 

 separation from iron-furnace cinder of, 

 for manurial purposes, 60. 



, Dr. Moffatt on the quantity of, ex- 

 creted from the system in connexion 

 with atmospheric condition, 61. 



Plant (John) on a flint-flake core found 

 in the upper valley-gravel at Salford, 

 156. 



Platycnemic men, "VV. B. Dawkins and 

 G. Busk on the discovery of, in Den- 

 bighshire, 148. 



Pneumatic transmission through tunnels 

 and pipes, R. Sabine on, 227. 



Points and lines in space. Prof. A. Cay- 

 ley on a correspondence of, 10. 



* Poh/pterus Birchii, Prof. R. H. Traquair 

 on the osteology of, 143. 



Porphp'ies of the lake-district. Prof. 

 Ilarkness and H. A. Nicholson on the 

 green slates and, 74. 



Portland, W. Pengelly on the modem 

 and ancient beaches of, 8.3. 



Pre-Turkish frontagers of Persia, H. H. 

 Howorth on the, 151. 



Price (John) on the Cuckoo-flower or 

 ladv's-smock (Cardamine 2iratensis), 

 122. 



Proctor (R. A.) on the laws of star- 

 . grouping, 24. 



Propeller, oblique. Prof. Osborne Rey- 

 nolds on an, 222. 



Protandry and protogyny in British 

 plants, A. W. Bennett on. 111. 



Protoplasm and the germ theory, Dr, 

 Child on, 131. 



