Kidston. On the Fructification of two Coal-measure Ferns. — là. On the Fructificaticm 

 and Affinities ofArchaeopteris hibernica, Forhes, sp. — Wooàhead. Notes on the 

 Equipment of the Research Laboratory of the Royal College of Physicians, Edinburgh. — 

 Reaburn. The Summer Birds of Shetland, with Notes on their Distribution, Nesting, and 

 Numbers. 



+ Proceedings of the r. Society. Voi. XLVI, n. 280. London, 1889. 



Thomson. Note on the Effect produced by Conductors in the Neighbourhood of a Wire 

 on the Rate of Propagation of Electrical Disturbances along it, with a Determination of this 

 Rate. — Carrier on and Macallan. Researches in the Chemistry of Selenio Acid and other 

 Selenium Compounds. — Lockyer. On the Wave-length of the chief Fluting seen in the 

 Spectrum of Manganese. — Haldane and Pembrey. The Accurate Determination of 

 Carbonio Acid and Moisture in Air. — Huygins. On the Spectrum, Visible and Photo- 

 graphic, of the Great Nebula in Orion. — Word. On the Magnetic Rotation of the 

 Piane of Polarisation of Light in doubly refracting Bodies. — Mallet. Revision of the 

 Atomic Weight of Gold. — Bailey. Zirconium ad its Atomic Weight. — Ilopkinson. Ma- 

 gnetic and other Physical Properties of Iron at a High Temperature. — Gore. Determi- 

 ning the Strength of Liquids by means on the Voltaic Balance. — Harcley. On Films 

 produced by Vaporised Metals and their Applications to Chemical Analysis. Preliminary 

 Notice. — Hull. On a possible Geological Origin of Terrestrial Magnetism. — Martin and 

 Wolfenden. Physiological Action of the Active Principle of the Seeds of Abrus preca- 

 t ori us (Jequirity). — Martin. The Toxic Action of the Albumose from the Seeds of 

 Abrus precatorius. — Beard. On the early Development of L epido ste u s osseus. 

 Preliminary Notice. — Acton. The Assimilation of Carbon by Green Plants from certain 

 Organic Compounds. — France. Appendix to Paper on descending Degenerations following 

 Lesions in the Gyrus marginalis and Gyrus fornicatus in Monkeys. — Shipley. On Phy- 

 m oso ma varians. — Thomas. On the Dentition of Ornithorhynchus. — Huggins. 

 On the Limit of Solar and Stellar Light in the TJltra-violet Part of the Spectrum. — 

 Monckman. The Specific Resistance and other Propertie of Sulphur. 

 +Records of the geological Survey of India. Voi. XXII, 2. Calcutta, 1889. 



Mallet. Note on Indian Steatite. — Middlemiss. Distorted pebbles in the Siwalik con- 

 glomerate. — Wynne und Waagen. «The Carboniferous Glacial Period». — Feistmantel. 

 Notes on Dr. W. Waagen's «Carboniferous Glacial Period». — Noetling. Report on 

 the Oil-Fields of Twingoung and Berne, Burina. — Middlemiss. The gypsum of the Nehal Nadi, 

 Kumaun. — Mallet. On some of the Materials for Pottery obtainable in the neighbourhood 

 of Jabalpur, and of Umaria. 



+ Repertorium der Physik. Bd. XXV, 6. Miinchen, 1889. 



WroblewsTty . Die Zusammendruckbarkeit des Wasserstoffes (Schluss). — Nebel. Ueber 

 den Einfluss der Stromstàrke auf den Widerstand der Mikrophoncontacte und iiber die 

 dadurch entstehende elektrische Gegenkraft. — Exner. Ueber ein Consequenz des Fresnel- 

 Huyghens'schen Principes. — Kurz. Das Ohm'sche Gesetz. — Bigiù. Ueber die durch 

 Strahlung hervogerufenen elektrischen Erscheinengen. — Angstrom. Eine Wage zur 

 Bestinimung der Stàrke magnetischer Felder. 



tResumé des séances de la Société des ingénieurs civils. Séance du 24 juin 



et juillet 1889. Paris. 

 f Revista do ObseiTatorio i. do Rio de Janeiro. Anno IV, 5-6. Rio de Janeiro, 



1889. 



f Revue archéologique. 3 e sér. t. XIII, rnai-juin 1889. Paris. 



Vaille. Note sur le Prométhée du Musée de Cherchell. — P. Portraits antiques de 

 l'époque grecque en Egypte. — Deloche." Etude sur quelques anneaux et cachets de 



