186 THE OOLOGIST. 



(and according to our premium offer will include a year's subscription to the 

 OoLOGiST with exchange card, gratis, if you wish). This oft'er ought to close out 

 our Emeu eggs within the next ten days. 



I Will Exchange : — Any of the Publications, Specimens, etc., offered on the 

 three pages of our '$2.75 for $1.00" "Premium List" or possibly anything 1 have 

 in stock or oft'er for sale for "snaps" in any line; Natural History Books (ones re- 

 lating to Ornithology and Oology in particular); Standard Medical Books publish- 

 ed since 1890; and anything of use or value to an up-to-date Physician and Sur- 

 geon or for A No. 1 sets — for the latter we will allow from one-fourth to full rates 

 — depending of course upon the desirability of sets oft'erc^ and what you can use 

 in return for the same. Send list of what you have and state explicity your wants, 

 and we will advise you at once our best exchange rate. You can then accept or 

 reject as you may see fit 



Address FRANK H. LATTIN, Publisher, Albion, N. Y. 



"You might as well be out of the Bird World altogether as go without 

 The Osprev." 



t:"h:r osprey 



An Illustrated Monthly Magazine of Popular Ornithology. 



Edited by THEODORE GILL, in Co-operation with ROBERT RIDGWAY, L. 

 STEJNEGER, C. W. RICHMOND and Other Eminent Ornithologists. 



The Osprev does not keep a poet, but it has an office cat who can 

 catch more birds than all the poets put together. If you don't believe 

 this, read The Osprev. If j'ou want to buy, sell or exchange specimens, 

 advertise in The Osprev. If you want to keep in with other Bird Men, 

 subscribe for The Osprev. If you want to write about Birds, you can 

 do it in The Osprev, provided you know how to write. If you like a 

 beautifully printed and profusely illustrated magazine, all about Birds 

 you MUST have The Osprev. 



TERMS: ONE DOLLAR A YEAR. 



Published bv THE OSPREY COMPANY, 



321-323 4^ St., Washington, D. C. 



BIRD-L/ORR 



For October will contain an article by Dr. J. A. Allen, on the 



AMERICAN ORNITHOLOGISTS' UNION. 



illustrated by a full.page plate showing the 24 founders of the Union. 



This plate, which has never before been published, contains photographs of Professor Baird, 

 Robert Ridgway, J. A. Allen, Elliott Coues, O. Hart Merriam, William Brewster, and other prom- 

 inent Ornithologists, and is of special interest to all bird students. 



20 cents a copy, $1.00 a year. 

 Address, BIRD-LORE, Englewood, N. J. 



