— LXX — 



iiiouvcments dans lesquels des arcs d'une méme courbe piane, compte's à partir d'une origine 

 fixe sont parcourus dans le mème temps que les cordes correspondentes. — Rouché. Edmond 

 Laguerre, sa vie et ses travaux. 



f Journal de Physique théorique et appliquée. 2 e sér. t. VI. juill 1887. Paris. 



Dufet. Sur les volumes moléculaires et énergie réfractive des phosphates, arséniates 

 et hypophosphates de soude. — Sabatier. Spectres d'absorption des chromates alcalins et 

 de l'acide chromique. — Ledeboer. Sur la détermination des coefficients des self-induction. — 

 Violìe. Appareil pour montrer les deux modes de réflexion d'un moiwement vibratoire. — 

 Meslin. Sur une expérience relative à la vision. 



+ Journal far die reme und angewandte Mathematik. Bd. CI, 4. Berlin, 1887. 



Frobenius. Ueber die Congruenz nach einem aus zwei endlichen Gruppen gebildeten 

 Doppelmodul. — Stalli. Ueber die rationale ebene Curve vierter Ordnung. — Thomae. 

 Ueber Integrale zweiter Gattung. — Kronecker. Ueber den Zablbegriff. 



+ Journal of the Chemical Society. N. CCXCVI, july 1887. London. 



Umfrevìlle Pickering. On tbe Thermal Phenomena of Neutralisation, and théir bea- 

 ring on the Nature of Solution and the Theory of Kesidual Afiinity. — Stead, Ridsdale 

 and Miers. Crystals in Basic Converter Slag a.nd Crystals from the Basic Slag. — Shen- 

 stone and Cundall. Ozone from Pure Oxygen: its Production and its Action on Mercury, 

 with a Note on the Silent Discharge of Electricity. — Id. id. The Volumetrie Eelations 

 ol Ozone ad Oxygen. A Lecture Experiment. — Purdie. The Action of Metallic Alkylates 

 on Mixtures of Ethereal Salts with Alcohols. — Remile. On Phlorizin. — Brown. Further 

 Notes on the Chemical Action of Bacterium aceti. — Reynolds. The Compositi on of 

 Prussian Blue ad Tumbull's Blue. 



* Journal (The Quarterly) of the geological Society. Voi. XLIII, 2, n. 170. 

 London, 1887. 



Smith Woodivard. On the Dentition and Affinities of Ptychodus. — Rupert 

 Jones. On Nummulites elegans, Sow., and other English Nummulites. — Duncan. 

 On the Cretaceous Echinoidea of the Lovver Narbadà Begion. — Lydekker. On Dinosau- 

 rian Vertebrse from the Cretaceous of India and the Isle of Wight. — Id. On a Molar of 

 a Pliocene Type of Equus from Nubia. — Martin. On the Terraces of Rotomahana. — 

 Hutto n. On the Eruption of Mount Tarawera. — David. On Evidence of Glacial Action 

 in the Carboniferous and Hawkesbury Series, N. S. W. — Whitaker. On Deep Borings in 

 Kent. — Seeley. On Ornithodesmus cluniculus, a new type of Bird from the 

 Wealden of Brook. — Ri. On Heterosuchus valdensis, a Procoelian Crocodile from 

 the Hastings Sand. — Id. On Patrie osaurus merocratus, a Lizard from the Cam- 

 bridge Greensand. — Id. On Aristosuchus pusillus (Owen). — Roberts. On the Cor- 

 relation of the Upper Jurassic Eocks of the Swiss Jura with those of England. — Gardner. 

 On the Leaf-beds and Gravels of Ardtun, Carsaig, &c, in Muli ; with Notes by Grenville 

 A. J. Cole. 



+ K6zlòny (Foldtani). Kot. XVII, 1-6. Budapest, 1887. 



v. Inhcy. Die Geologie auf der Landesausstellung in Budapest 1885. — Poeta. Ueber 

 Spongiennadeln in einigen Gesteinen Ungarns. — Tégìds. Zwei neue siidungarische Knochen- 

 hcihlen. — v. Szabó. Ueber Spodumen von Brancheville und dessen Varietaten und iiber 

 Quarz mit Einschliissen. — v. Zsigmondy. Das Quecksilberbergwerk von Avala in Ser- 

 bien. — v. Cseli. Mineralien von Kalinka , deren Bildungs- und Gewinnungsorte. — Mu- 

 schketow. Ueber die geologischen Verhàltnisse des Turaner oder aralo-kaspischen Beckens. — 

 Therndk. Die siidungarische Sandwiiste. — v. Semsey. Die Meteoritensammlung des ung. 

 National-Museums in Budapest. 



