H 



GENERAL SCIENTIFIC WORKS 



PROCTOR.— ^0Jf/«r5 by RICHARD A. PROCTOR. 



OLD AND NEW ASTRO- 

 NOMY. In 12 Parts. Price 2.S. 6d. 

 each ; supplementary section, \s. ; 

 complete, 36^. cloth. 



LIGHT SCIENCE FOR 

 LEISURE HOURS ; Familiar 

 Essays on Scientific Subjects, 

 Natural Phenomena, &c. 3 Vols. 

 crown 8vo, 5^. each. 



THE ORBS AROUND US ; a 

 Series of Essays on the Moon and 

 Planets, Meteors, and Comets. 

 With Chart and Diagrams, crown 

 8vo, SJ-. 



OTHER WORLDS THAN 

 OURS ; The Plurality of Worlds 

 Studied under the Light of Recent 

 Scientific Researches. With 14 

 Illustrations, crown 8vo, y. 

 Cheap Edition, crown, 3^. dd. 



THE MOON ; her Motions, As- 

 pects, Scenery, and Physical 

 Condition. With Plates, Charts, 

 Woodcuts, and Lunar Photo- 

 graphs, crown 8vo, 5x. 



UNIVERSE OF STARS ; Pre- 

 senting Researches into and New 

 Views respecting the Constitution 

 of the Heavens. With 22 Charts 

 and .22 Diagrams, 8vo. loj-. td. 



LARGER STAR ATLAS for 

 the Library, in 12 Circular Maps, 

 with Introduction and 2 Index 

 Pages. Folio, I5j-., or Maps 

 only, 1 2 J. dd, 



NEW STAR ATLAS for the 

 Library, the School, and the Ob- 

 servatory, in 12 Circular Maps 

 (with 2 Index Plates). Crown 

 8vo, S^. 



THE STUDENT'S ATLAS. 

 In 12 Circular Maps on a Uni- 

 form Projection and I Scale, 

 with 2 Index Maps. . Intended as 

 a vade-mecum for the Student 

 of History, Travel, Geography, 

 Geology, and Political Economy. 

 With a letter-press Introduction 

 illustrated by several cuts. 5j. 



ELEMENTARY PHYSICAL 

 GEOGRAPHY. With 33 Maps 

 and Woodcuts. Fcp. 8vd, \s. td. 



LESSONS IN ELEMENTARY 

 ASTRONOMY ; with Hints for 

 Young Telescopists. With 47 

 Woodcuts. Fcp. 8vo, IJ'. 6d. 



FIRST STEPS IN GEOME- 

 TRY : a Series of Hints for the 

 Solution of Geometrical Pro- 

 blems ; with Notes on Euclid, 

 useful Working Propositions, and 

 many Examples. Fcp. 8vo, 3^. 6d. 



EASY LESSONS IN THE 

 DIFFERENTIAL CALCU- 

 LUS : indicating from the Outset 

 the Utility of the Processes called 

 Differentiation and Integration. 

 Fcp. 8vo, 2s. 6d. 



THE STARS IN THEIR SEA- 

 SONS. An Easy Guide to a 

 Knowledge of the Star Groups, in 

 12 Large Maps. 1 Imperial 8vo, 5x. 



STAR PRIMER. Showing the 

 ,Starry Sky Week by Week, in ^4 

 Hourly Maps. Crown 4to, 2s. (sd. 



THE SEASONS PICTURED 

 IN 48 SUN VIEWS OF THE 

 EARTH, and 24 Zodiacal Maps, 

 &c. Demy 4to, 5^. 



ROUGH WAYS MADE 

 SMOOTH. FamiUar Essays on 

 Scientific Subjects. Crpwn 8vo, 5j. 

 Cheap Edition, crown, y. 6d. 



HOW TO PLAY WHIST: 

 WITH THE LAWS AND ETI- 

 QUETTE OF WHIST. Crown 

 8vo, 3^. td. 



HOME WHIST : an Easy Guide 

 to Correct Play, i6mo, is. 



OUR PLACE AMONG INFI- 

 NITIES. A Series* of Essays 

 contrasting our Little Abode in 

 Space and Time with the Infini- 

 ties around us. Crown 8vo, 5^. 



{Cofiiinued, 



