WATKINS & DONCASTER, 



•Raturalists, 



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

 and Skins, and all Branches of Natural History. 



A LARGE STOCK OP INSECTS, and BIRDS' EGGS and SKINS. 



Speciality :— Objects for Nature Study, Drawing: Classes, &c. 



BIRDS, HAHHALS, ftc, PRESERVED and MOUHTED by FIRST-CLASS WORKUEH 

 TRUE TO NATURE. 



All Books arid Publications on Natural History supplied. 



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



Catalogue (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. 



■H^^ft Naturalists' Camera, 



^^^^^^^ 1907 



■^^^^^ For Telephoto or Ordinary LENSES. 



JBH^^^^^^BB b ^ Lenses 



|BBB|^^^^BBM|fc|MM[| ^^^ by the most 

 BB^^^^^^^^HJH^^^^^I sJLilled Bird 



^^^^^^^^^^^^^H^Hs^^m^H Photographers. 



*™M^^^^^|^^^^^^^^^^^^^^^^^|^^^^^^ ^^^» j~/,g following art 



i^^ sptcially recomtncnaed : 



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



THE SkRIES D PATENT PORTRAIT LENSES F 6. 



{A Rajiid Long Focus Lens at a Moderatt Price.) 



High or Moderate Power Telephoto Lenses (Original Hake). 



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



CATALOGUeS AND ADVICE FREE. 



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



Showloomai 25, NEBTHaH ST., W. ^EASOEN, LONDON, N.W. 



