18 
Fl’KTHKR or-SKR\ ATIOXS OX MIXXFSOTA BIRDS: 
taining about three-c|iiarters of an acre and with its top about 20 
feet above the surface of the water, affords on its rocky surface a 
nesting- ])lace for hundreds of gulls.” 
The Common Tern. 
Stomachs of the Herring Gull are found to contain grass- 
hoppers, hsh, mollusks, and, in one instance, the remains of a 
marsh hare, ])ossibly consumed as carrion. Professor Aughey re- 
])orted hnding in the stomachs of each of four P)lack Terns from 
47 to 84 grasshoppers or locusts, and in two stomachs examined, 
from 28 to 59 other insects. 
THE MOURNING DOVE. 
Discussed (piite fully in Cir- 
cular v^2, but at the time, we 
were not able to ])resent an il- 
lustration. The drawdng is 
included here for comparison 
with that of the Passenger 
Pigeon or Wild Pigeon wdth 
which the s])ecies is sometimes 
confused. This dove was for- 
merly included amongst the 
Alinnesota game birds, with a 
regular open season, 1)ut it is 
now protected until 1918. In 
some localities in Minnesota re- 
ferred to as “Ground Dove.” 
