The American Naturalist 



sent to the Editor of THE AMERICAN NATURALIST, Garrison-c 

 Short articles containing summaries of research w 

 problems of organic evolution are especially welcome, and wil 

 in publication. 



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 Further reprints will be supplied at cost. 



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THE SCIENCE PRESS 



Garrison, N. Y. 



NEW YORK : Sub-Station 84 



FOR SALE 



ICELAND and GREENLAND 

 BIRDS' SKINS, 



G. DINESEN, Bii 



For Sale Entire 



An important collection of Indian Birds' 

 Eggs, containing approximately 3,300 

 specimens of about 620 species, and in- 

 cluding among other varieties the Green- 

 ish Willow Warbler (Acanthopneuste 

 viridanus), Red-browed Finch (Calla- 

 canthis burtoni), Tibetan Sand-Grouse 

 (Syrrhaptes tibetanus), Spotted Sand- ; 

 Grouse (Pteroclurus senegallus), Ibis- j 

 bill (Ibidorhynchus struthersi), White- 

 bellied Minivet (Pericrocotus erythro- 

 pygius), Bearded Vulture (Gypaetus 

 barbatus), numerous Cuckoos with their 

 hosts, etc., etc. 



Particulars and full list may be had 

 from 



W. F. H. ROSENBERG 



57 Haverstock Hill London, N. W. 



WANTED TO PURCHASE 



a set of BIRDS OF AMERICA by J. J. Audubon. 



Marine Biological Laboratory 



Woods Hole, Mass. 



INVESTIGATION 



SUPPLY Animals and 



DEPARTMENT RS^^mJLiSffl 



' wo£ al and* M^f'fSS&d to 



