20 W. H. Allen 6- Co.'s General Catalogue. 



RICHARD A. PROCTOR, B.A., F.R.A.S. 



Half-Hours With the Stars. Nineteenth Thousand. 

 Demy 410. 35. 6d. 



Half-Hours with the Telescope. Illustrated. Fcap. 



8vo. 2s. 6d. 



Other Suns than Ours. A Series of Essays on Suns, 

 Old, Young, and Dead, Science Gleanings, &c. Second Edition. 

 Crown 8vo. 6s. 



The Southern Skies. A Plain and Easy Guide to the 

 Constellations of the Southern Hemisphere, &c. True for every 

 year. 410, with 12 Maps. 55. 



Rev. ALEXANDER KYD NAIRNE, late Bombay Civil Service. 



The Flowering Plants of Western India. Crown 



8vo. 75. 6d. net. 



MARY A. PRATTEN. 



My Hundred Swiss Flowers. With a Short Account 



of Swiss Ferns. With 60 Illustrations. Crown 8vo, plain 12s. 6d. ; 

 coloured, 255. 



R. RIMMER, F.L.S. 



The Land and Fresh Water Shells of the British 



Isles. Illustrated with Photographs and 3 Lithographs, containing 

 figures of all the principal Species. Second Edition. Crown 8vo. 5s. 



/. SMITH, A.L.S. 



Ferns: British and Foreign. Fourth Edition, revised 



and greatly enlarged, with New Figures, &c. Crown 8vo. 75. 6d. 



/. E. TAYLOR, F.L.S. , F.G.S., &c. 



The Aquarium : Its Inhabitants, Structure, and Manage- 

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Flowers : Their Origin, Shapes, Perfumes, and Colours. 

 Illustrated with 32 Coloured Figures by Sowerby, and 161 Woodcuts. 

 Second Edition. Crown 8vo. 75. 6d. 



London: 13, Waterloo Place, Pall Mall, S.W. 



