Arizona 1927 Colorado River, Lower Cal'y., Mex. 20 miles south of Pilot Knob. Oct. 12, 1927 20 ft. Place where Rats cling. shutter. screen side of house or secured from end. There must have been a - about 300 There all clinging in a cluster not unlike a swarm of Bees. When I first shot at had been attracted by their perpetual squeaking, and thinking there were fifty or so, I shot into them from a mere crack under the shutter several dropped at each shot. After four shots I stopped and lifted up the the shutter to get any I had wounded. The moment I opened it I was surrounded by Rats flying everywhere. Many dropped to the ground wounded and dazed of which I killed 60. There was one smaller