U. Memmler 1943 Perognathus californicus June 9, M.V.Z. Nox. When I got home about an hour later Mike had his cheeks bulging with seeds. Pat had only a few in hers. Since their eyes have been open they have become much more nervous and excitable. They are also quick to climb out of my hand, up my arm, out of a small box or across a table. It may be partly their great activity which keeps them in motion when I am trying to feed them milk. They seem to have very little interest in milk today at all and just wriggle and squirm out of my hand when I try to feed them. Before they used to sit quietly for a minute or more lapping the milk from the end of the dropper, now they take one or two or maybe three laps and get distracted or disinterested. When I first got them they would sit in my hand on their hind legs, hold the dropper with their front feet and lap the milk from the open end. P.M. Succeeded in getting both to drink some milk after lunch today. I held them so as to keep the light out of their eyes. Just before lunch I fixed a new box for them. It is a