No. 67. March, 1917. 



CATALOGUE OF IMPORTANT 



SCIENTIFIC WORKS 



BOTANY and HORTICULTURE 

 GEOLOGY and PALEONTOLOGY 



ZOOLOGY: 



ENTOMOLOGY, ICHTHYOLOGY, 



MAMMALIA AND CETACEA, 



MOLLUSCA AND CONCHOLOGY, 



ORNITHOLOGY, 



REPTILIA AND BATRACHIA. 



SCIENTIFIC VOYAGES AND 

 GENERAL ZOOLOGY. 



Offered for Sale by 



DULAU & CO., LTD 



37 SOHO SQUARE, LONDON. W.I. 



ESTABLISHED 1792. 



POST FREE TO ANY ADDRESS ON APPLICATION. 



SCIENTIFIC BOOKS and SERIALS. 



JOHN WHELDON & CO. have the largest stock in the country of Books in all 



departments of Science and Natural History, also Transactions and Journals of Learned 



Societies, etc., in sets, runs, and single volumes or numbers. 



Libraries or Small Parcels purchased for Cash. 



SPECIAL CATALOGUES : Geological, Botanical, Microscopical, Ornithological, 



Entomological, Chemical, Agricultural, Gardening, etc., gratis on application. 



38 GREAT QUEEN STREET, KiNGSWAY, LONDON, W.C. 2. 



Telephone: Gkrrard 1412. 



All communications for advertising space to be addressed to 

 Mr. T. PRESTON, 41 Lullington Road, Anerley, S.E. 20. 



All Communications for this Magazine should be addressed to 



THE EDITOR, 

 13 Arundel Gardens, Notting Hill, W. 11. 



Books and Specimens to be addressed to the Editor as usual, care of 

 MESSRS. DULAU & CO.. LTD.. 37 SOHO SQTJARE, W. 1. 



STEPHEN AUSTIN AND SONS, LTD., PRINTERS, HERTFORD. 



