SCIENTIFIC PAPERS 



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SIR WILLIAM HERSCHEL, 



KNT. QUELP., LL.D., F.R.S. 

 INCLUDING EARLY PAPERS HITHERTO UNPUBLISHED. 



Collected and Edited under the direction of a Joint Committee of 

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"With a Biographical Introduction compiled mainly from Unpublished 

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RAY SOC IETY. 



Just Published. For the Sixty=elghth Year, 1911. 



A MONOGRAPH of the BRITISH DESMIDIACE>E. By W. West 



and I'rofessor G. S. West. Vol. I\^ xiv-|- 194-)- 66 pages, with 33 plates 



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THE BRITISH TUNICATA. By the late Joshua Aeder and the late 

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PAL/EONTOGR APHI CAL SOCIETY. 



VOLUME LXV. 4to Boards, or in separate parts. £1 5s. net. May be had 

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1. THE PLEISTOCENE MAMMALIA. — MUSTELID/E. With 



Title-page and Index to Vol. II. By Professor S. H. Reynolds. Eight 

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2. THE CARBONIFEROUS GANOID FISHES. Part I, No. 6. 



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