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A TREATISE ON MANURES. By Dr. A. B. Griffiths, F.E.S. 



(Ediii.)» F.O.S., Principal and Lecturer on ChemlBtry in the School of Science, 



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SEWAGE TREATMENT, PURIFICATION AND UTILISATION: 



a Practical Manual for the use of CnrporationB, Local Boards, Medical Oflaoers 

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Eecentli/ completed, with 1937/itU-page CoiQureA Plates. 



SOWEEBY'S ENGLISH BOTANY. Containing a Description and 



■ Life-sized COLOURED DRAWING of every BRITISH PLANT. Edited and 



brought up to the Present Standard of Scientific Knowledge by J. T. Boswell, 



LL.D., P.L.S., etc. The Figures by J. E. Soweebt, J. W. Salter, A.L.S., and. 



N. B. Brown. Third Edition, in 12 Vols., super-royal 8vo, £24 3s. in cloth; 



£26 lis. in half-morocco ; and £30 95. whole morocco. Also 89 Parts, Ss. each, 



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present state of knowledge of British Plants. 



3rd Edition^ large post 8uo, 7s. 6d. 



RAMBLES IN SEARCH OF WILD FLOWERS, and how to Dis- 



tinguish them. By M. Plues, Author of "Rambles in Search of Plowerless 



Plants," " British Grrasses," etc. With 96 coloured Figures and numerous Outs. 



" This little book has already, we are pleased to note, attained its third edition. 



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THE COTTAGE-GARIJENER'S DICTIONARY. Describing the 



Plants, Fruits, and Vegetables desirable for the Garden, and explaining the 

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THE BOTANIST'S POCKET BOOK. By W. R. Haywabd. Con- 

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NAMES AND SYNONYMS OF BRITISH PLANTS. By Geoffbey 



Bgeeton-Waebuetoit, B.A. Collating the nomenclature of the London Cata- 

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London: GEOEGE BELL & SONS, 4, York Stbeet, Covbni Garden. 



