W.B. Davis 1935. 364 Nills 6 mi. W Murphy, Owyhee Co., Idaho. May 23. yet be in a position to act as sentry, or be near to again venture from the burrow. It is in these vestibules, I believe, that the squirrels sit and "chirp" their warning notes which are distinctly heard, yet the animal itself is not visible. This colony was located on the top and east slope of a small gentle rise in an area where the Atriplex was very low - about 10 inches - and in soil that was sandy loam - and very easily worked. I had no difficulty in digging out about 20 ft. of burrow in a very short time - about 10 minutes. This was the only colony we have seen on this side of the river. we stopped at Murphy and inquired about the presence of ground squirrels in the Murphy area. A Mr. Kelley told me that about 12 years ago the squirrels were very abundant in all the area, but that some sort of disease had wiped out all those in the lower altitudes so that now all that is left are some colonies in the upper reaches of