764 General Notes. 
ites, and it has led them to make extraordinary efforts to gather 
these interesting objects. Efforts which have resulted in by far the 
finest collection in this country. 
To those who know little of Ward and Howell they may seem 
mere traders, and this letter, a puff of a business house, but they are 
much more than traders, they are co-laborers in the work of scientific 
education whose assistance many a teacher has recognized with 
gratitude ; and this letter is an unsolicited appeal to all those inter- 
ested in the natural sciences to visit an establishment where so 
much may be learned at so little cost; and to call attention to the 
vast amount of indispensable material for the museum, the lecture 
room and the laboratory which Ward and Howell have brought 
within easy reach and much of which, without their efforts would 
have been entirely unattainable. 
Yours truly, 
J. S. NEWBERRY. 
—In the AMERICAN NATURALIST for June, 1888, vol xxi., 
page 537, appeared an article on “ The relative weight of the brain 
` to the body in birds,” by Dr. Joseph L. Hancock, which it seems, 
by an oversight of the publishers, failed to bear his name, making 
it necessary to call attention to the omission. 
