3, Sf. Martin's Place, W.C. 21 



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



HALF-HOURS WITH THE STARS: A Plain and 

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 after night throughout the Year, with Introduction and a 

 separate Explanation of each Map. Tenth Thousand. Demy 

 4to, boards, 5-r. 



HALF-HOURS WITH THE TELESCOPE : A Popular 

 Guide to the Use of the Telescope as a means of Amusement 

 and Instruction. Fifth Edition, Illustrated. Fcap. 8vo, 

 cloth, 2s. 6d. 



QUEKETT MICROSCOPICAL CLUB, Joifrnal of the, 



See page 31. 



ROBSON, JOHN E. 



BOTANICAL LABELS for Labelling Herbaria, adapted to 

 the names in the London Catalogue of Plants and the Manuals 

 of Professor BABINGTON and Dr. HOOKER, with Extra Labels 

 for all New Species and Varieties recorded in the recent 

 volumes of " The Journal of Botany" and the Exchange Club 

 Reports. In all 3, 5 76 Labels, with Index. Demy 8vo, 5-r. 



RUSSELL, C. 



THE TANNIN PROCESS. Second Edition, with Ap- 

 pendix. Fcap. 8vo, cloth, 2s. 6d. 



SCHAIBLE, CHARLES H., M.D., Ph.D. 



FIRST HELP IN ACCIDENTS: Being a Surgical Guide 

 in the absence, or before the arrival, of Medical Assistance, for 

 the use of the Public. Fully Illustrated. 32mo, cloth, is. 



SCHLEIDEN, J. M., M.D. 



THE PRINCIPLES OF SCIENTIFIC BOTANY; or, 



Botany as an Inductive Science. Translated by Dr. LAN- 

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 8vo, cloth, i ay. 6d. 



SCHMIDT, ADOLPH, assisted by GRUNDLER, GRUNOW, 



JANECH, &v. 



ATLAS OF THE DIATOMACE^. This magnificent work 

 consists of Photographic Reproductions of the various forms of 

 Diatomaceae, on Folio Plates, with description (in German). 

 Price to Subscribers, for Twelve Parts, payable in advance, 

 ^3 12s. To be Completed in about 25 Parts. (Sixteen Parts 

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