Mousetrap Research Articles

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Pelage Color Changes in Perognathus longimembris

On October 15, 1950, Mr. Loraine Woodbury captured a specimen of Perognathus longimembris in a desert area known as Cedar Valley which lies to the west of Utah Lake in Utah County, Utah. The animal was caught by the tail in a snap trap and was brought into the laboratory alive. Strikingly contrary to the normal color of this species, which is predominantly buff overlaid with brown or black dorsally, the animal mentioned above was pure white except for a grayish mustache and a faint tinge of buffy along the sides. The eyes were black. The specimen was placed in a semi-dark cage made of wood with a screen top and was given oatmeal and water. A few days passed with no noticeable change in the pelage color although no one was looking for such a change. The animal was cared for on the morning of October 18 and the...

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps

Dept. of Better Mousetraps