' Jahresbericht fur 1880 ueber die auf Selbsthilfe gegriindeten Deutschen Erwerbs- 



iind Wirthschaftsgenossenschaften. Leipzig, 1881. f.° 

 + Jahresbericht ueber die Fortschritte der classischen Alterthumswissenschaft. Vili Jahrg. 



Hft. 11. Berlin, 1881. 8.° 

 ■''Jornal de sciencias mathematicas e astronomicas. Voi. III. n. 5. Coimbra, 1881. 8.° 



Monteiro. Note sur la ligne de striction de l'hyperbololde. 



•^Journal (American Chemical). Voi. III. n. 4. Baltimore, 1881. 8.° 



Gibbs. On Osmyl-Ditetramin. — Blair. Note on the Coinposition of the Carbonaceous Eesidue 

 frora the Solution of Steel in the Doublé Chloride of Copper and Ammonium. — Loring Jackson 

 and Woodbury Lowery. Kesearches on the Sobstituted Benzyl Compounds — Parabrombenzyl Cora- 

 pounds. — Jackson. Researches on the substituted Benzyl Compounds — The Relative Chemical 

 Activity of Certain Substituted Benzyl Bromides. — Clarke. An Abstract of the Results obtained in 

 a Recalculation of the Atomic Weights. — Morleij. Method for Accurate and Rapid Analyses of 

 Air. — Burton. Notice of a Phosphorusoxyiodide. 



+ Journal (American) of Mathematics. Voi. IV. n. 1. Baltimore, 1881. 4.° 



Cayley. On the 34 Concomitants of the Ternary Cubie. — McClintock. On Certain Expansion 

 Theorems. — Mitchell. Some Theorems in Numbers. — Newcomb. Note on the Frequency of Use 

 of the Different Digits in Naturai Numbers. — Sylwster. Tables of the Generating Functions and 

 Grounclforms of the Binary Duodecimic, with some General Remarks, and Tables of the Irreducible 

 Syzygies of Certain Quantics. — Id. A Demonstration of the Impossibility of the Binary Octavic 

 possessing any Groundform of deg-order 10. 4. — Peirce. On the Logic of Number. — McClintock. On 

 the Remainder of Laplace's Series. 



i-Journal (The American) of Philology. Voi. II. n. 7. Baltimore, 1881. 8.° 



Hall. On the Origin of « had rather go » and Analogous or apparently Analogous Locutions. — ■ 

 Luquiens. The Vendidàd as translated by M. Darmesteter. — Nettleship. Notes on Placidus. — Whitney. 

 What is Articulation ? 



"• Journal (American) of science. Voi. XXII. n. 132. New Haven, 1881. 8.° 



Morley, On a possihle cause of the Variations ohserved in the amount of Oxygen in the Air. — 

 Id. On Jolly's Hypothesis as to the Cause of the Variation in the Proportion of Oxygen in the Atmo- 

 sphere. — ' Dodge. Lower Silurian Fossils in Northern Maine. — McGee. A Contribution to Croll's 

 Theory of Secular Climatal Changes. — LeC Stevens. The Stereoscope, and Vision by Optic Diver- 

 gence. — Dana. On the relation of the so-called « Kames » of the Connecticut River Valley to 

 the Terrace-formation. — Rockwood. Japanese Seismology. — Wright. An Apparatus- for the Distil- 

 lation of Mercury in Vacuo. 



+Journal de l'École polytechnique. T. XXX. Paris, 1881. 4.° 



Phillips. Du spirai réglant conique des chronomètres et de divers autres spiraux. — Badoureau. 

 Sur les flgures isoscèles. — Malhieu. Sur l'équilibre d'élasticité d'un prisme rectangle. — Gallandreau. 

 Contribution à la théorie du mouvement elliptique et parabolique. — Lecornu. Sur les polygones 

 générateurs d'une relation entre plusieurs variables imaginaires. 



* Journal de mathématiques pures et appliquées. T. VII. Sept. D'c. 1881. Paris, 4.° 

 Sept. Cornaglia. De la propagation verticale des ondes dans les liquides. — DÉc. Poincaré. Sur 

 les courbes défìnies par une équation différentielle. 



•^Journal fùr praktische Chemie. 1881. n. 21, 22. Leipzig, 1881. 8.° 



Bóhmer. Beitrag zur Kenntniss der Diazophenole. — Móhlau u. Oehmichen. Ueber Dibrom- und 

 Tribrom-Orthoamidophenetol und einige Derivate derselben. — Oslwald. Chemrèche Affinitàtsbestim- 

 mungen. Pflnfte Abhandlung. — Nencki u. Ueber. Ueber die Zevsetzung des Traubenzuckers und der 

 Harnsàure durch Alkalien bei der Bruttemperatur. — Slohmann. Ueber die quantitative Bestiramung 

 von freien Sàuren in pfianzlichen und thierischen Fetten. — fìechenberg. Ueber den Gehalt der 

 thierischen und pfianzlichen Fette an freien Fettsàuren. 



