1 2 Scientific Works published by Longmans, Green, &= Co. 



PROCTOR -V^orks by Richard A. Proctor. 



Old and New Astronomy. 12 Parts, | Our Place among Infinites : Essays 



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The Moon : Her .^lotions. Aspect, 

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The Universe of Stars : Researches 

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Other Worlds than Ours: the 



Plurality of Worlds Studied under 

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Treatise on the Cycloid and all 



Forms of Cycluidal Curves, and on 

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contrasting our Little Abode in Space 

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The Expanse of Heaven : Essays on 

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New Star Atlas for the Library, 



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Larger Star Atlas for Observers and 



Students. In Twelve Circular Maps, 

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The Stars in their Seasons : an Easy 

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The Seasons pictured in Forty- 

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Moon and Planets, Meteors and : The Star Primer : showing the Starry 

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Lessons in Elementary Astro- 

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The Orbs Around Us : Essays on the | 



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Familiar Essays on Scientific Subjects, 

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"WEBB— Celestial Objects for Coramon Telescopes. By the Rev. 

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METEOROLOGY, &c. 



ABBOTT— Elementary Theory of the Tides : the Fundamental 

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JORDAN — The Ocean : a Treatise on Ocean Currents and Tides, and 

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