Lm 



moving at Low Speeds. William Kitchen Parker: On the Structure 

 and Development of the Skull in the ürodelous Amphibia. J. Hopkinson: 

 Residual Charge of the Leydon lar. — Dielectric Prosperties of difFerent 

 Glases. Lander Brunton and Walter Pyc : On the Physiological 

 Action of the Bark of Erytrophleum Guinense, generally called Casca, 

 Cassa, or Sassy Bark. Georg J. Romanes: Further Observations on 

 the Locomoter System of Medusae. 



Vol. 168. 

 An Account of the Petrological , Botanical, and Zoological CoUec- 

 tions made in Kerguelen's Land and Rodrignez during the Transit of 

 Venus Expeditions in the Years 1874 — 75. 



Vol. 169. Part 1. 



Samuel Haughton : On the Tides of the Arotic Seas. J. Hop- 

 kinson: Electrostatic Capacity of Glass. Charles S. Tomes; On the 

 Structure and Development of Vascular Dentine. C. Schorlemmer; On 

 theNormal Paraffins. Partll. Warren de La Rue and Hugo W.Müller: 

 Experimental Researches on the Electric. Discharge with the Chloride of 

 Silver Battery. Part I, II. Sir G. B. Airy : On the Tides at Malta. 

 J. N. Lockyer and Arthur Schuster : Report on the Total Solar 

 Eclipse of April 6, 1875. William Crookes: The Bakerian Lecture. — 

 On Repulsion resulting from Radiation. 

 Vol. 169. Part. II. 



W. C. Williamson: On the Organization of the Fossil Plauts. 

 IX. James Prescott Joule: New Determination of the Mechanical 

 Equivalent of Heat. William Kitchen Parker: On the Structure 

 Development of the Skull in the Common Snake (Tropidonotus natrix). 



A. Caley: Addition to Memoir on the Transformation of EUiptic 

 Functions. H. N. Moseley: The Croonian Lecture. On the Structure 

 of the Stylasteridae, a Family of the Hydroid Stony Corals. Wm. Turner: 

 On the Placentation of the Apes, with a Comparison of the Structure 

 of their Placenta whit that of the Human Female. Edward Albert 

 Schäfer: Observations on the Nervous System of Aurelia aurita. 



B. Thompson Lowne: On the Modification of the Simple and Com- 

 pound Cyes of Insects. A. Cayley: A Tenth Memoir on Quantics. 

 W. K. Clifford: On the Classification of Loci. Thomas William 

 Bridge: On the Osteology of Polyodum folium. Alfred Sanders: 

 Contributions to the Anatomie of Central Nervous System in Vertebrats 

 Animals. T. R. Robinson; On the Determination of the Constants 

 of the Cup Anemometer by Experiments with a Whirling Machine. 



