1ND£X II. 



259 



Williamson (Prof. A. W.) ou a imifor- 

 mity of weights and measui-es, 25 ; on 

 Siemens's electrical-resistance pyro- 

 meter, 134 ; ou tlio treatment and 

 utilization of sewage, 135. 



Wiltshire rainfall in 1870 and 1871, 192. 



Woodward (H.) report on fossil Crus- 

 tacea, 321. 



Worcestershire rainfall in 1870 and 

 1871, lUo. 



Wright (Dr.) on the chemical constitu- 

 tion and optical properties of essential 

 oils, 313. 



Yorkshire rainfall in 1870 and 1871, 197. 



Zoological stations, report of the com- 

 mittee appointed for the purpose of 

 promoting the foundation of, in differ- 

 ent parts of the world, 47. 



INDEX 11. 



TO 



MISCELLANEOUS COMMUNICATIONS TO THE 



SECTIONS. 



[_An asterisk (*) signifies that no abstract of the communication is given."] 



* Aberration, Prof. Everett on a difficulty 

 in the theory of, 36. 



Acid, sulphuric, Prof. Mallet on the occur- 

 rence of native, in Eastern Texas, 78. 



Acids, stearic and palmitic, W. Lant 

 Carpenter ou a new process for the 

 manufacture of, 71. 



Adams (W. M.) on the mensm-ator, a 

 new instrument for the solution of 

 triangles, 59. 



Aerial navigation, C. A. Bowdler on, 

 241. 



♦Africa, South, Dr. J. C. Brown on the 

 desiccation of, 207. 



*Agate, G. Unwiu on specimens of, and 

 other natural colloid silica, 85. 



Albumen in neutral salts, W. Lant 

 Carpenter on the presence of, and on 

 a new process for the manufacture of 

 stearic and palmitic acids, 71. 



♦Alexander (Major-General Sir J. E.) 

 on the pollution of rivers, 220. 



AUmau (Prof.) on the structure and de- 

 velopment of MUraria, 129 ; on some 

 points in the development of Vorticel- 

 lidcv, 130; ou the structure of Nocti- 



the 



structure of Ed~ 

 the structure of 



luca, 131; on 

 wardsia, 132 ; on 

 Cyphonautes, 133. 



Alphabet, John Evans ou the, and its 

 origin, 181. 



America, Eastern North, J. Gwyn 

 Jeffreys on the MoUusca of Europe 

 compared with those of, 137. 



Anatomy and physiology, Prof. Burdou 

 Sanderson's address to the department 

 of, 145. 



Andrews (W. P.) on the Euphi'ates- 

 valley route to India, 203. 



Aneroid, Prof. Phillips on the tempera- 

 ture-correction of an, Gl. 



Animal (marine), Dr. Sclater ou an ap- 

 parently new, from the North Pacific, 

 140. 



Animals, yoimg, D. A. Spalding ou in- 

 stinct, with original observations on, 

 141. 



Animated frames, G. Harris on the con- 

 current contemporaneous progress of 

 renovation and waste in, and the 

 extent to which such operations are 

 controllable by artificial means, 152. 



