Scientific Works published by Longmans, Green, 6 Co. 15 

 ASTRONOMY, NAVIGATION, ETC. Continued. 



DE CAMPIGNEULLES. OBSERVATIONS TAKEN AT 



DUMRAON, BEHAR, INDIA, during the Eclipse of the 22nd January, 1898, 

 by a Party of Jesuit Fathers of the Western Bengal Mission. By the Rev. V. 

 DE CAMPIGNEULLES, S.J. With 14 Plates. 410., iar. 6d. net. 



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. , los. 6d. 



HERSCHEL. OUTLINES OF ASTRONOMY. By Sir JOHN 



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



8VO. , I2S. 



JORDAN. ESSAYS IN ILLUSTRATION OF THE ACTION 



OF ASTRAL GRAVITATION IN NATURAL PHENOMENA. By 

 WILLIAM LEIGHTON JORDAN. With Diagrams. 8vo. , gs. 



LAUGHTON.m 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., 6^. 



LOWELL. MARS. By PERCIVAL LOWELL, Fellow American 



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

 With 24 Plates. 8vo. , 125. 6d. 



MARTIN. NAVIGATION AND NAUTICAL ASTRONOMY. 



Compiled by Staff Commander W. R. MARTIN, R.N. Royal 8vo., i8s. 



MERRIFIELD.& TREATISE ON NAVIGATION. For 



the Use of Students. By J. MERRIFIELD, LL.D., F.R.A.S., F.M.S. With 

 Charts and Diagrams. Crown 8vo. , 55 



PARKER. ELEMENTS OF ASTRONOMY. With Numerous 



Examples and Examination Papers. By GEORGE W. PARKER, M.A., of 

 Trinity College, Dublin. With 84 Diagrams. 8vo. , 5*. 6d. net. 



WEBB. CELESTIAL OBJECTS FOR COMMON TELE- 

 SCOPES. By the Rev. T. W. WEBB, M.A., F.R.A.S. Fifth Edition, 

 Revised and greatly Enlarged by the Rev. T. E. ESPIN, M.A. , F.R.A.S. (Two 

 Volumes. ) Vol. I. , with Portrait and a Reminiscence of the Author, 2 Plates, 

 and numerous Illustrations. Crown 8vo. , 6.?. Vol. II., with numerous Illustra- 

 tions. Crown 8vo. , 6s. 6d. 



WORKS BY RICHARD A. PROCTOR. 



THE MOON: Her Motions, Aspect, Scenery, and Physical 

 Condition. With many Plates and Charts, Wood Engravings, and 2 Lunar 

 Photographs. Crown 8vo. , y. 6d. 



OTHER WORLDS THAN OURS: the Plurality of Worlds 



Studied Under the Light of Recent Scientific Researches. With 14 Illustrations; 

 Map, Charts, etc. Crown 8vo. , 3^. 6d. 



OUR PLACE AMONG INFINITIES : a Series of Essays con- 

 trasting our Little Abode in Space and Time with the Infinities around us. 

 Crown 8vo., 35. 6d. 



