+ Mémoires et comptes rendus des travaux de la Société des ingénieurs civils. Nov. 1883. 

 Paris, 8." 



Roudaire. La mer intérieure africaine. — Bruii. Méraoire sur la chaine flottante des mines de 

 fer de Dicido (Province de Santander, Espagne). — Destriere. Note sur la construction et l'exploita- 

 tion des chemins de fer Alpins. 



fMemorie della Società degli spettroscopisti italiani. Voi. XII. 11. Nov. 1883. Koma,4.° 



Millosevich. Riflessioni sulle carte celesti particolareggiate e sulle zone speciali di cielo. 



+ Mouatsblàtter der Wissenschaftlichen Club in Wien. V Jhg. n. 4. Wien, 1884. 8.° 

 ^Notices (Monthly of the r, Astro nomical Society. Voi. XLIV. n. 2, dee. 1883. 

 London, 8.° 



Stone. On the supposed possible Independence of Bessel's and Le Verrier's Expressions for the 

 Mean Longitude of the Sun subject to the Conditions iraposed upon thera by their Use in practi- 

 cal Astronoiny in the Determination of Mean Solar Time. — Id. On the supposed Unreliability of the 

 Green wich Observations of the Sun in Mean Results. — Tennant. On the Change in the adopted 

 Unit of Time. — Adams. Remarks on Mr Stone's Explanation of the large and increasing Errors of 

 Hansen's Lunar Tables by means of a supposed Change in the Unit ofMean Solar Time. — Gayley. 

 On the Change in the Unit of Time implied in the Substitution of Hansen's for Bessel's Expression 

 for the Longitude of the mean Sun. — Morrison. The Orbit of the Great Comet [b] 1882. — Naval 

 Observalory. Washington. Observations of Pons's Comet with the 9-in. Equatorial. — Royal Obser- 

 vatory. Greenwich. Observations of Comet b, 1883 (Pons-Brooks). — Id. The Spectrum of Comet Z>, 

 1883 (Pons-Brooks). — Denning. Rotation Period of Jupiter. — Tennant. On Humidity as a Cause 

 of Variation in the Rate of Chronometers. — Marth. Ephemeris for finding the Positions of the 

 Satellites of Uranus, 1884. 



* Periodico della Società storica per la provincia di Como P. 11. Milano, 1883. 



Gavazzo. Alcune notizie intorno al nobile Collegio dei causidici e notari di Como e a due sigilli 

 del medesimo. 



f Proceedings of the London Mathematical Society. N. 203-28. London, 1883. 8.° 



Mac Mahon. On a Generalization of the Nine-Points properties of a Triangle. — Glaisher. 

 Calculation of the Hyperbolic Logarithm of n. — Gayley. On Monge's « Mémoire sur la théorie des 

 Déblais et des Remblais ». — Iìouth. On simultaneous Differential Equations, with special reference 

 to: 1. The Roots of the Fundamental Deterrninant. 2. The Method of Multipliers. — Rayleigh. In- 

 vestigation of the Character of the Equilibrium of an Incompressible Heavy Fluid of Variable Den- 

 sity. — Wolstenholme. Equations of the Loci of the Intersections of three Tangent Lines and of three 

 Tangent Planes to any Quadrio u = 0. — Mill. Calculation of the Equation which determines the 

 Anharmonic Ratios of the Roots of a Quantic. — Grifflths. On a Method for Reducing the Diffe- 

 rential Expression dt-*-\/~t— a. t — p.t — y ■ t — # to the Standard Form. — Hart. On the Mechani- 

 cal Description of Bicircular Quartics. — Wilkinson. On Elliptic Function Formulae connected with 

 the Transformation of Rectangular Coordinates. — Cayley. On M r . Wilkinson's Rectangular Tran- 

 sformation. 



+Proceedings of the r. Geographical Society. Voi. IV. n. 10, 11; Voi. V. n. 2, 9, 10, 



12. London, 1882-83. 8.° 

 f Pubblicazioni del r. Istituto di studi superiori di Firenze. Firenze, 1884. 4.° 



Luciani. Linee generali della fisiologia del cervelletto. 



Pubblicazioni del real Osservatorio di Palermo. Anni 1882-83. Palermo, 1883. 4.° 

 "^Eendiconti del r. Istituto lombardo di scienze e lettere. Ser. 2. Voi. XVI. f. 19,20. 

 Milano, 1883. 8.° 



Buccellati. Del concorso di più persone in uno stesso reato. — Serpieri. Sul terremoto del- 

 l'isola d'Ischia del 28 luglio 1883. — Fermenti. Sui numeri irreducibili coi numeri complessi. — 

 Aschieri. Sopra alcune forme di rette prodotte da due stelle reciproche. — Biondelli. Rendiconto dei 



