1 H E AU K. C. F. Katchelder, Associate Ed. | '^ Qi'^'-terlj 



magazine devoted exclusively to ornithology, illustrated. Price of current 

 volume ............ $3.00 



The Code of Nomenclature of North American Birds. 



Svo., paper, 1S92 Price, 50 cts. 



This is the Code of Nomenclature as originally published in the Code 

 OF Nomenclature and Check-List of North American Birds, issued 

 separately to meet calls for the Code from Botanists, Conchologists, 

 Paleontologists and others who do not require the Check-List. 



ABRIDGED CHECK-LIST OF NORTH AMERICAN BIRDS. 



8vo., paper, 1S89 . ....... Price, 25 cts. 



A list of the scientific and common names of North American Birds, 

 printed on one side of the leaf only. Serves well for field notes, 



LOCAL lists and LABELS. 



L. S. FOSTER, Publisher, 



35 Pine Street, New York City, U. S. A. 



ANNOUNCEMENT TO OOLOGISTS. 



I wish to call the attention of the Members of the A. O. U. and all 

 others interested in oology, the fact that I have one of the largest stocks 

 of birds' eggs, both singles and original clutches, ever offered for sale 

 in this country. A newr list is issued every month. Send for July 

 copy at once, which contains an tmusually fine lot of species. I de- 

 sire to hear from every one who is interested in this subject. 



Address 



WalTek F. VVebb, Geneva, N. T. 



THE OBSERVER, 



A MEDIUM OF INTERCHxVNGE OF OBSERVATIONS 



For All Students and Lovers of Nature, 



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PORTLAND, CONN. 



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