ON THE REGENT OCCURRENCE OF THE BLACK RAT (Mus rattus Linnaeus) 
r date of July 11, 1900, Mr. Frank 
as follows: "About.a year ago, a young man 
who lived in Boston said there were Black Rats in a store there. 
had him obtain a specimen, which was mounted, and which we stil 
C)l L Cl vc ^i- 
have. During the years that I have been engaged in business 
in the city of Boston I have never seen one." 
The specimen was 
sent to me and identified as Mus rattus by Doctor J.A. Allen and 
myself. 
Edgar A. Mearns. 
