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[[underline]] Rogers Ranch [[/underline]]

[[underline]] Nov. 11 [[/underline]]. Made up Thomomys & Microtus skins till noon when Mr. Webb returned with the Barium Carbonate, then mixed poisons and fed the mice in cages and later took wheat prepared with it to the field and distributed about 6 quarts on about an acre, putting a teaspoon full of wheat down each fresh and well used burrow. I mixed half a pound of the Barium ^[[& half a point of sugar]] with 6 quarts of wheat which makes it about [[strikethrough]] est [[/strikethrough]] six times as expensive as arsenic. Some of the same [[strikethrough]] p [[/strikethrough]] preparation was fed to 12 mice in a cage and in other cages were placed a stronger mixture and also Barium on sugar beets. This was put in the cages about 1 P.M. but only one mouse (with the wheat) was found dead before dark.

In the field where phosophorus was put out day before yesterday 4 dead mice were found at 2 and 3 rods from the wheat.

In the area where arsenic poisoned sugar beet cubes were distributed day before yesterday one dead mouse was found on the surface, but none were