INDEX II. 



233 



brightness of objects in binocular 

 and, S. P. Thompson on, 32. 



*Moon's mean motion, the solar eclipse 

 of Agathocles considered, in reply to 

 Prof. Newcomb's criticism on the co- 

 efficient of acceleration of the, by 

 Prof. Haughton, 31. 



Morgan (T.) on the amendment of the 

 patent laws, referring to several points 

 not hitherto discussed, 181. 



Morton (G. H.) on the carboniferous 

 limestone and millstone grit in the 

 country around Llangollen, N. Wales, 

 74. 



*Mott (A. S.) on the source and func- 

 tion of carbon in the crust of the 

 earth, 75. 



'Mount Sinai, the supposed true site of, 

 Maj.-Gen. Sir J. E. Alexander on, 

 141. 



Movements of water in plants, Prof. 

 M'Nab on the, 105. 



Mungao district in East Africa, a visit 

 to, in 1876, Dr. J. Kirk on, 145. 



Mycenae, the district of, and its early 

 occupants, Dr. J. S. Phend on, 119. 



Myology of the shoulder and upper arm 

 of the Tlii/lacine, Cuscus, and Phasco- 

 t/ale, Dr. 1). J. Cunningham on the, 

 107. 



Xapo, on a journey from Guayaquil to 

 the, by the Upper Patassa route, by 



A. Simson, 148. 



•Navigation sounding machine for use 

 at full speed, Sir W. Thomson on a, 

 218. 



•Needles Light, the importance of 

 giving a distinctive character to the, 

 Sir W. Thomson on, 218._ 



* Newcomb's (Prof.) criticism on the 

 coefficient of acceleration of the 

 moon's mean motion, the solar eclipse 

 of Agathocles considered, in reply to, 

 by Prof. Haughton, 31. 



Newcomeu's (Thomas) steam-engine 

 (1712), T. Lidston on, 217. 



"New Guinea, exhibition and explana- 

 tion of the uses of a flint hammer 

 from the western coast of, by Prof. 

 Rolleston, 121. 



, new points in the zoology of, by 



Prof. Rolleston, 102. 



Newton Abbot and Torquay, notes 

 on the Devonian rocks near, by H. 



B. Woodward, with remarks on 

 the subject of their classification, 

 78. 



Niagara, the upward jets of, W. H. 

 Barlow on, 199. 

 1877. 



North-German exploring expedition, 

 the biological results of the, Dr. O. 

 Einsch on, 101. 



*Odling (Dr.) on some properties of 

 gallium, 53 ; *note on Benzine de- 

 rivatives, 53 ; *note on Dr.W. Gibb's 

 researches on cobaltamines, 53. 



Ommanney (Adm. Sir E.), Address by, 

 to the Geographical Section, 122. 



Optical characters of minerals, a new 

 method for studying the, H. C. Sorby 

 on, 77. 



illusions, S. P. Thompson on some 



new, 32. 



Ordnance datum of Great Britain, a 

 more extended use of the, J. N. 

 Shoolbred on, 218. 



Origin and antiquity of the mounds of 

 Arkansas, U.S., Prof. J. W. Clarke 

 on the, 67. 



*Oxidation of colophony, Dr. D. C. 

 Robb on the, 53. 



*Oxygen, the thermo-chemistry of, T. 

 Fairley on, 51. 



Palaeolithic implements found in the 

 Axe valley, J. Evans on some, 116. 



*Pala3ontologv of Plvmouth, notes on 

 the, by R. N. Worth, 79. 



Palaeozoic deposits of South Devon, the 

 succes.-ion of the, A. Champernowne 

 on, 66. 



Patent laws, the amendment of the, T. 

 Morgan on, referring to several points 

 not hitherto discussed, 181. 



Pattison (S. R.), note on the carbonife- 

 rous coast-line of North Cornwall,75. 



Paul (Dr. B. H.) and C. T. Kingzett, 

 preliminary account of the alkaloids 

 from Japanese aconite, 52. 



Pearly nautilus (Nautilus pompilius), 

 the habits of the, Dr. G. Bennett on, 

 101. 



Pearse (Dr. W. H.), geography of con- 

 sumption in Devonshire : deaths from 

 consumption during the ten years 

 1861-70,112. 



*Pekin, a soapstone image from, exhi- 

 bition and description of, by Rev. 

 Prof. Beal, 115. 



Pengelly (W.), Address by, to the Geo- 

 logical Section, 54 ; 'sketch of the 

 geology of the coast from the Rame 

 Head to the Bobb Tail, 76. 



*Perkins (L.) on Perkins's high-pres- 

 sure engine, 217. 



•Perry (J.) and W. E. Ayrton on the 

 viscosity of dielectrics, 33 ; *on the 

 contact theory of voltaic action, 33, 

 IS 



