XXXIX 



London. 



Royal Society. 



(The Royal Society, 30«i November, 1880. — Proceedings. Vol. XXXI. Nr. 206 — 

 211. Vol. XXXII. Nr. 212—213). 



(Philosophical Transactions. Vol 171. — Part. II). 



R. F. Glazebrook: Double Refraction and Dispersion in Iceland 

 Spar. C. Schorlemmer: On the Normal Paraffins. Part. III. W. M. 

 Hicks: On the Motion of Two Spheres in an Fluid. W. C. Williams on: 

 On the Organization of the Fossil Plants of the Coal-Measures. Part. X. 

 William Ellis: On the Relation between the Diurnal Range of Magnetic 

 Declination and Horizontal Force, as observed at the Royal Observatory, 

 Greenwich, during the years 1841 to 1877, and the Period of Solar Spot 

 Frequency. Wiliam Spottiswode: On the Sensitive State of Vacuum 

 Discharge. Part II. W. de W. Abney: On the Photographic Method of 

 Mapping the bart Refrangible End of the Solar Spectrum. William 

 Huggins: On the Photographic Spectra of Stars. Geo. Fräs. Fitz- 

 gerald: On the Electromagnetic Theory of the Reflection and Refraction 

 of Light. G. H. Darwin: On the Secular Changes in the Elements of the 

 Orbit of a Satellite revolving about a Tidally Distorted Planet. 

 (Philosophical Transactions. Vol. 171. Part. III.) 



A. Calley: A Memoir on the Single and Double Theta-Functions. 



J. W. Mallet- Rivision of the Atomic Weight of Aluminium. Owen: 



Description of some Remains of the Gigantic Land-Lizard (Megalania prisca, 



Owen). Derselbe: On the Ova of the Echidna Hystrix. T. R. Robinson; 



On the Determination of the Constants of the Cup Anemometer by 



Experiments with a Whirling Machine. Part II. William Siemens: 



On the Dynamo-electric Current, and on Certain Means to Improve its 



Steadiness. 



(Philosophical Transactions. Vol. 172. Part. I.) 



William Kitchen Parker: On the Structure and Development 



of the Skull in the Batrachia. 



Manchester. 



Literary and Philosophical Society. 



(Proceedings Vol. XVI. 1876—1877; Vol. XVII. 1877—78; Vol. XVIII. 

 1878—70; Vol. XIX. 1879—80. — Memoirs. Third Series. VI. Volume.) 



Y. Frankreich. 



Amiens. 



Societe Linne'enne du Nord de la France. 



(Bulletin mensuel. Nr- 88—98. 8* Annee IV. et V.) 



