GENERAL SCIENTIFIC WORKS 



PROCTOR. WORKS by RICHARD A. PROCTOR continued. 



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. 



OTHER SUNS THAN OURS : 



a Series of Essays on Suns Old, 

 Young, and Dead. With other 

 Science Gleanings, Two Essays 

 on Whist, and Correspondence 

 with Sir John Herschel. With 

 9 Star-Maps and Diagrams. 

 Crown 8vo, 6s. 



HALF-HOURS WITH THE 

 TELESCOPE : a Popular Guide 

 to the Use of the Telescope as a 

 Means'of Amusement and Instruc- 

 tion. With 7 Plates. Fcap. 8vo, 

 2s. 6d. 



THE SOUTHERN SKIES: 

 a Plain and Easy Guide to the 

 Constellations of the Southern 

 Hemisphere. Showing in 12 

 Maps the position of the principal 

 Star-Groups night after night 

 throughout the year. With an 

 Introduction and a separate Ex- 

 planation of each Map. True for 

 every Year. 410, 5-r. 



HALF-HOURS WITH THE 

 STARS : a Plain and Easy Guide 

 to the Knowledge of the Con- 

 stellations. .Showing in 12 Maps 

 the position of the principal Star- 

 Groups night after night through- 

 out the Year. With Introduction 

 and a separate Explanation of 

 each Map. True for every Year. 

 4to, 3-r. 6ct. 



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. 



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, S.T. 



STAR PRIMER. Showing the 

 Starry Sky Week by Week, in 24 

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



ROUGH WAYS MADE 

 SMOOTH. Familiar Essays 

 on Scientific Subjects. Crown, 

 3* 6rf. 



HOW TO PLAY WHIST: 

 WITH THE LAWS AND ETI- 

 QUETTE OF WHIST. Crown 

 8vo, 3-r. 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. 



STRENGTH AND HAPPI- 

 NESS. Crown 8vo, 5*. 



STRENGTH: How to get Strong 

 and keep Strong, with Chapters 

 on Rowing and Swimming, Fat, 

 Age, and the Waist. With 9 Il- 

 lustrations. Crown 8vo, 2s. 



THE EXPANSE OF HEAVEN. 



Essays on the Wonders of the 

 Firmament. Crown 8vo, 5 J - 

 Cheap Edition, crown 8vo, $s. 6d. 



THE GREAT PYRAMID, OB- 

 SERVATORY, TOMB, AND 

 TEMPLE. With Illustrations. 

 Crown 8vo, 5-r. 



PLEASANT JWAYS IN 



SCIENCE. Crown 8vo, 5^. 



Cheap Edition, crown 8vo, 3^. 6d. 



[Continued. 



