1 6 Scientific Works published by Longmans, Green, & Co. 



WORKS BY BICHARD 1. PROCTOR. 



Old and New Astronomy. 4to. 36s. 



Myths and Marvels of Astronomy. 



Crown 8vo. 5s. Silver Library 

 Edition. Crown 8vo. 3s 6rf. 



The Moon : Her Motions, Aspect, 

 S' enery, and Physical Condition. 

 With many Plates and Charts, Wood 

 Eugraring, and 2 Lunar Photographs, 

 Crown 8vo. 5s. 



The Universe of Stars : Eesearches 

 into, and New Views respecting, the 

 Constitution of thg Heavens. With 

 22 Charts (4 coloured) and 22 Dia- 

 grams. 8vo. 10s. 6(2. 



Other Worlds than Ours: the 



Plurality of Worlds Studied under 

 the Light of Recent Scientific Ke- 

 searches. With 11 Illustrations ; 

 Map, Charts, &c. Crown 8vo. 5s. 

 Cheap Edition. Crown 8vo. 3s. 6d. 



Treatise on the Cycloid and all 



Forms of C'ycloidal Curves, and on 

 the Use of Cyoloidal Curves in dealing 

 with the Motions of Planets, Comets, 

 &c. With 161 Diagrams. Crown 

 8vo. 10s. 6(2. 



The Orbs Around Us : Essays on the 

 Moon and Planets, Meteors and 

 Comets, the Sun and Coloured Pairs 

 of Suns. Crown 8vo. 5s. Cheap 

 Edition. Crown 8vo. Ss. 6d. 



Light Science for Leisure Hours : 



Familiar Essays on Scientific Subjects, 

 Natural Phenomena, &c. 3 vols. Cr. 

 8vo. 5s. each. 



Our Place among Infinites : Essays 

 contrasting our Little Abode in Space 

 and Time with the Infinites around 

 US. Crown 8vo. 5s. 



The Expanse of Heaven : Essays on 

 the Wonders of the Firmament. Cr. 

 8vo. 5s. Cheap Edition. Cr. 8vo. 

 3s. 6d. 



New Star Atlas for the Library, 



the School, and the Observatory, in 

 Twelve Circular Maps (with 2 Index- 

 Plates). With an Introduction on the 

 Study of the Stars, Illustrated by 9 

 Diagrams. Crown 8vo. 5s. 



Larger Star Atlas for Observers and 

 Students. In Twelve Circular Maps, 

 showing 6(100 Stars, 1500 Double 

 Stars, Nebulae, &c. With 2 Index- 

 Plates. Folio, 15s. 



The Stars in their Seasons : an Easy 

 Guide to a Knowledge of the Star 

 Groups. In 12 Large Maps. Im- 

 perial 8vo. 5s. 



The star Primer ; showing the Starry 

 Sky, Week by Week. In 24 Hourly 

 Maps. Crown 4to. 2s. 6(2. 



Chance and Luck: a Discussion of 

 the Laws of Luck, Coincidence, 

 Wagers, Lotteries, and the Fallacies 

 of Gambling, &c. Crown 8vo. 3s. 

 boards. 2s. 6(2. cloth. 



Bough Ways made Smooth. Fami- 

 liar Essays on ScientiHc Subjects. 

 Crown 8vo. 5s. Cheap Edition. 

 Crown 8vo. 3s. 6(2. 



PleasantWays in Science. Crown 

 8vo. 5s. CJieap Edition. Crown 

 8vo. 3s. 6(2. 



The Great Pjnramid, Observatory, 



Tomb, and Temple. With lUus-. 

 trations, Crown 8vo. 5s. 



Nature Studies. By R. A . Pkoctor, 

 Gbant Allen, A. Wilson, T. Foster 

 and E. Cloud. Cr. Svo. 5s. Cheap 

 Edition. Cr. 8vo. 3s. 6(2. 



Leisure Readings. By R. A. Pkoo- 

 TOB, E. Clodd, a. Wilson, T. Foster 

 and A. C. Ranyakd. Cr. Svo. 6s. 



Lessons in Elementary Astro- 

 nomy ; with Hints for Young Tele- 

 scopists. With 47 Woodcuts. Fcp. 

 8vo. Is. 6(2, 



