WATKINS & DONCASTER, 



IRaturaltsts, 



And Manufacturers of CABINETS and APPARATUS for Entomology, Birds' Eggs 

 and Skins, and all Branches of Natural Histoty. 



A LARGE STOCK OF INSECTS, and BIROS' EGGS and SKINS. 



Speciality :— Objects for Nature Study, Drawins Clauses, &c. 



BIRDS, HAMUALS, Ac, PRESERVED and MOUNTED by FIRST-CLASS WORKHBH 

 TRUE TO NATURE. 



All Books and Publications on Natural History supplied. 



38, STRAND, LONDON, W.C. (Five Doors from Charing Cross.) 



Catalojfue (102 pp.) post free. 



JOHN WHELDON & CO., 



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



(Established 60 Years.) 



Largest and most varied Stock of Works relating to 

 NATURAL HISTORY, 



ORNITHOLOGICAL, BOTANICAL, 

 GEOLOGICAL, MICROSCOPICAL, Etc., Etc. 



In Great Britain. 



CATALOGUES ISSUED. 



DALLMEYER'S 



Naturalists' Camera, 



1907 MODEL, 



For Telephoto or Ordinary LENSES. 



DALLMEYER'S 



Lenses are used 

 by the most 



siulled Bird 

 Photographers. 



Tke following are 

 specially recommttuted : 



THE STIGMATIC SERIES II. F/6 (Convertible.) 



THE SERIES D PATENT PORTRAIT LENSES F 6. 



(A Rapid Long Focus Lens at a Moderate Price.) 



High or Moderate Power Telephoto Lenses (Original Make). 



We are Specialists in Cameras and Apparatus for Photo-Ornithologists. 



CATALOGUES AND ADVICE FREE. 



J. H. DALLMEYER, Limited, denzil rd., 



si>.»r..m., a, HEWM»H ST., w. NUSDEN, LONDON, N.W. 



