THE OOLOGIST. 72g (119>« 



BUSINESS CHANCE: 



To any one who would like to start in the 

 Natural History Business, we will sell our 

 entire stock at the Chicago Branch at a 

 bargain. It has taken a long time to get together this large assortment ot speci- 

 mens in almost every department of Natural Science, and we doubt if any of our 

 readers could ^et together as varied and valuable a collection in five years of 

 hard work and a small fortune, combined. This is a chance of a lifetime. Write 

 us at once to either of the following addresses, if you mean business. 



F. H. LATTIN & CO., Albion, N. Y. or 3571 Cottage Grove Ave., Chicago, 111. 



DlnUo tbbOl "Easter Offer" 



Or Sale of Surplus Eggs at "way down" prices, will begin MARCH 20 and last 



30 DAYSONLY. 



IF INTERESTED, SEND STAMP FOR LIST. 

 E . H. LAI JLlrJ <Kj CO., >n '3571 Cottage Grove Ave., CHICAGO. 



Key to North American Birds. 



FOURTH REVISED EDITION. 



By Elliott Coues, M. A., M. D., Ph. D. Contains a concise account of every 

 species of living and fossil bird at present known on the continent north of the 

 boundary line between Mexico and the United States.including Greenland. Fourth 

 edition, revised to date. With which are incorporated General Ornithology, and 

 outline of the structure and classification of birds, and Field Ornithology, a man- 

 ual of collecting, preparing and preserving birds. 



The new edition presents the nomenclature of the American Ornithologist's Union, 

 in the most convenient form tor comparison with that of other editions. Illustrated. 



Coues' "Key" is too well known as a leading and authoritative treatise to need 

 commendation, it being the standard work of reference for professional ornitholo- 

 gists as well as for students and amateurs. The latest and most exhaustive 

 American Ornithology. Indispensable to every sportsman, amateur and work- 

 ing ornithologist. 



1 vol., royal octavo, vellum cloth. Price prepaid only $7.50 



F. H. LATTIN & CO., ALBION, N. Y. 



Choice Eggs of the 



South African Ostrich 



ONLY80cts. 



SENT PREPAID FOR 30 CENTS ADDITIONAL. 



F\ H. IaATTTN & GO, 

 ALBION, N. Y.; or, 3,571 COTTAGE GROVE AVE., CHICAGO, ILLS. 



