GENERAL SCIENTIFIC WORKS 



PROCTOR. WORKS by RICHARD A. PROCTOR. 



LIGHT SCIENCE FOR 

 LEISURE HOURS; Familiar 

 Essays on Scientific Subjects, 

 Natural Phenomena, &c. 3 Vols. 

 crown 8vo, 5-f. each. 



THE ORBS AROUND US ; a 

 Series of Essays on the Moon and 

 Planets, Meteors, and Comets. 

 With Chart and Diagrams, crown 

 8vo, 5^. 



OTHER WORLDS THAN 

 OURS ; The Plurality of Worlds 

 Studied under the Light of Recent 

 Scientific Researches. With 14 

 Illustrations, crown 8vo, $s. 



THE MOON ; her Motions, As- 

 pects, Scenery, and Physical 

 Condition. With Plates, Charts, 

 Woodcuts, and Lunar Photo- 

 graphs, crown 8vo, 5-r. 



UNIVERSE OF STARS; Pre- 

 senting Researches into and New 

 Views respecting the Constitution 

 of the Heavens. With 22 Charts 

 and 22 Diagrams, 8vo. los. 6d. 



LARGER STAR ATLAS for 

 the Library, in 12 Circular Maps, 

 with Introduction and 2 Index 

 Pages. Folio, 15^., or Maps 

 only, 1 2s. 6d. 



NEW STAR ATLAS for the 

 Library, the School, and the Ob- 

 servatory, in 12 Circular Maps 

 (with 2 Index Plates). Crown 

 8vo, 5^. 



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. $s. 



OLD AND NEW ASTRO- 

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

 each ; supplementary section, is. 

 (in course of publication) ; com- 

 plete, 36*. cloth. 



ELEMENTARY PHYSICAL 

 GEOGRAPHY. With 33 Maps 

 and Woodcuts. Fcp. 8vo, is. 6d. 



LESSONS IN ELEMENTARY 

 ASTRONOMY ; with Hints for 

 Young Telescopists. With 47 

 Woodcuts. Fcp. 8vo, is. 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, 35. 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. Imperial 8vo, 5-r. 



STAR PRIMER. Showing the 

 Starry Sky Week by Week^ in 24 

 Hourly Maps. Crown 410, 2.ft 6d. 



THE SEASONS PICTURED 

 .IN 48 SUN VIEWS OF THE 

 ' EARTH, and 24 Zodiacal Maps, 

 &c. Demy 4to, 5*. 



ROUGH WAYS MADE 

 SMOOTH. Familiar Essays on 

 Scientific Subjects. Crown 8vo, 5^. 



HOW TO PLAY WHIST: 

 WITH THE LAWS AND ETI- 

 QUETTE OF WHIST. Crown 

 8vo, 3J. 6d. 



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, $s. 



[Continued. 



