26 Scientific Works published by Longmans, Green, 6 Co. 



MINERALOGY, MINING, METALLURGY, ETC. 



HUNTINGTON AND MCMILLAN. -METALS: their Properties 



and Treatment. By A. K. HUNTINGTON, Professor of Metallurgy in King's 

 College, London, and W. G. M'MiLLAN, late Lecturer on Metallurgy in Mason's 

 College, Birmingham. With 122 Illustrations. Fop. 8vo., js. 6d. 



LUPTON. Works by ARNOLD LUPTON, M.I.C.E., F.G.S., etc. 

 MINING. An Elementary Treatise on the Getting of Minerals. 

 With a Geological Map of the British Isles, and 596 Diagrams and Illustra- 

 tions. Crown 8vo. , gs. net. 



A PRACTICAL TREATISE ON MINE SURVEYING. 



With 209 Illustrations. 8vo., i2s. net. 



RHEAD. METALLURGY. By E. L. RHEAD, Lecturer on 



Metallurgy at the Municipal Technical School, Manchester. With 94 Illustra- 

 tions. Fcp. 8vo., 3J. 6d. 



RHEAD AND SEXTON. ASSAYING AND METALLUR- 

 GICAL ANALYSIS for the use of Students, Chemists and Assayers. By E. L. 

 RHEAD, Lecturer on Metallurgy, Municipal School of Technology, Manchester ; 

 and A. HUMBOLDT SEXTON, F.I.C., F.C.S., Professor of Metallurgy, Glasgow 

 and West of Scotland Technical College. 8vo. , IDJ. 6d. net. 



RUTLEY. THE STUDY OF ROCKS: an Elementary Text- 

 book of Petrology. By F. RUTLEY, F.G.S. With 6 Plates and 88 other Illus- 

 trations. Fcp. 8vo., 4J. &t. 



ASTRONOMY, NAVIGATION, ETC. 



ABBOTT. ELEMENTARY THEORY OF THE TIDES: 



the Fundamental Theorems Demonstrated without Mathematics and the In- 

 fluence on the Length of the Day Discussed. By T. K. ABBOTT, B.D., Fellow 

 and Tutor, Trinity College, Dublin. Crown 8vo. , 2s. 



BALL. Works by Sir ROBERT S. BALL, LL.D., F.R.S. 

 ELEMENTS OF ASTRONOMY. With 130 Figures and Dia- 

 grams. Fcp. 8vo. , 6s. 6d. 



A CLASS-BOOK OF ASTRONOMY. With 41 Diagrams. 



Fcp. 8vo., is. 6d. 



GILL. TEXT-BOOK ON NAVIGATION AND NAUTICAL 



ASTRONOMY. By J. GILL, F.R.A.S., late Head Master of the Liverpool 

 Corporation Nautical College. 8vo. , ioj. 6d. 



GOODWIN. AZIMUTH TABLES FOR THE HIGHER 



DECLINATIONS. (Limits of Declination 24 to 30, both inclusive.) 

 Between the Parallels of Latitude o and 60. With Examples of the Use of 

 the Tables in English and French. By H. B. GOODWIN, Naval Instructor, 

 Royal Navy. Royal 8vo. , ?s. 6d. 



ffSCffL. OUTLINES OF ASTRONOMY. By Sir JOHN 

 F. W. HERSCHEL, Bart., K.H., etc. With 9 Plates and numerous Diagrams. 



8VO., I2J. 



LAUGHTON.AN INTRODUCTION TO THE PRAC- 

 TICAL AND THEORETICAL STUDY OF NAUTICAL SURVEYING. 

 By JOHN KNOX LAUGHTON , M. A. , F. R. A. S. With 35 Diagrams. Crown 8vo. , 6s. 



LOWELL. MARS. By PERCIVAL LOWELL, Fellow American 



Academy, Member Royal Asiatic Society, Great Britain and Ireland, etc. 

 With 24 Plates. 8vo. ( izs. 6d. 



