14 PHYSICAL SCIENCE. 



Mean Positions of the Stars observed in the Zones at the 

 Argentine National Observatory, with Introduction and Pre- 

 cession Tables, 2 vols., 4to, 879 pp., Buenos Aires, 1884, 

 ' £2 los. 



HERSGHEL (Sir J. F. ^W.) Results of ASTRONO- 

 MICAL Observations made during the years 1834-38 at the 

 Cape of Good Hope, being the completion of a telescopic 

 survey of the whole surface of the visible heavens, with frontis- 

 piece and 8 plates, royal 4to, cloth, scarce, 1847, £'2. 2s. 



LA TOUGHE (J. D.) Geology of Shropshire, with 823 

 engravings, 4to, cloth, 1884, 15s. 



NASMYTH (James, C.E.) and James GARPEN- 

 TER, F.R.A.S., The Moon: considered as a Planet, a 

 World, and a Satellite, with 24 photographic plates of Lunar 

 Objects, Phenomena, and Scenery, numerous woodcuts, 4to, 

 cloth, 1874, very scarce, £&f 4s. 



PETERS (Dr. G. H. F.) Celestial Charts for the Equinox, 

 i860, made at the Litchfield Observatory, Hamilton College, 

 New York (last comparison with the sky in 1882), 1st series, 

 20 maps, folio (22 inches by 16 inches), ^t^ 3s. 



PRIGE (Bartholomew, F.R.S.) Treatise on Infinitesimal 

 Calculus: Vol. L, Differential Calculus; Vol. II., Integral 

 Calculus, Calculus of Variation, and Differential Equations ; 

 Vol. III., Statics and Dynamics of Material Particles, with 10 

 plates, 3 vols., 8vo, cloth, last edition, Oxford, 1857, 1865, and 

 1868, £\ 17s. 6d. 



SGHMIDT (Dr. J. F. Julius) Charte der Gebirge des 

 Mondes nach einigen beobachtungen in den Jahren 1840-74, 

 25 sections of the Moon, each royal folio, in portfolio, with 

 text, over 300 pp., 4to, boards, 1878,^2 12s. 



