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



WORKS BY RICHARD A. PROCTOR. 



Old and New Astronomy. 4to. 36s. 



Myths and Marvels of Astronomy. 



Crown 8vo. 5s. Silver Library 

 Edition. Crown 8vo. 3s 6d. 



The Moon : Her Motions, Aspect, 

 S"enery, and Physical Condition. 

 With many Plates and Charts, Wood 

 Engraving, and 2 Lunar Photographs. 

 Crown 8vo. 5s. 



The Universe of Stars : Researches 



into, and New Views respecting, the 

 Constitution of the Heavens. With 

 22 Charts (4 coloured) and 22 Dia- 

 grams. 8vo. 10s. Qd. 



Other Worlds than Ours: the 



Plurality of Worlds Studied under 

 the Light of Recent Scientific Re- 

 searches. With 14 Illustrations ; 

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

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



Treatise on the Cycloid and all 



Forms of Cycloidal Curves, and on 

 the Use of Cycloidal Curves in dealing 

 with the Motions of Planets, Comets, 

 &c. With 161 Diagrams. Crown 

 8vo. 10s. 6d. 



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. 3s. Qd. 



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. 



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 6000 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 

 Crown 4to. 2s. 6d. 



Chance and Luck ' a Discussion of 

 the Laws of Luck, Coincidence, 

 Wagers, Lotteries, and the Fallacies 

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

 boards. 2s. Gd. cloth. 



Rough Ways made Smooth. Fami- 

 liar Essays on Scientific Subjects. 

 Crown 8vo. 5s. Cheap Edition. 

 Crown 8vo. 3s. Qd. 



Pleasant Ways in Science. 



8vo. 5s. Cheap Edition. 

 8vo. 3s. 6d. 



Crown 

 Crown 



The Great Pyramid, Observatory, 



Tomb, and Temple. With Illus- 

 trations. Crown 8vo. 5s. 



Nature Studies. By R. A. PROCTOR, 

 GRANT ALLEN, A. WILSON, T. FOSTER 

 and E. CLODD. Cr. 8vo. 5s. Cheap 

 Edition. Cr. 8vo. 3s. 6d. 



Leisure Readings. By R. A. PROO- 

 TOB, E. CLODD, A. WILSON, T. FOSTER 

 and A. C. RANYAKD. Cr. 8vo. 5s. 



The Expanse of Heaven : Essays on j Lessons in Elementary Astro- 



the Wonders of ilu* Firmament. Cr. | nomy ; with Hints for Young Tele- 

 8vo. 5s. Cheap Edition. Cr. 8vo. I scopists. With 47 Woodcuts. Fcp. 

 3s. 6d. 8vo. Is. 6d. 



