Hoffmeister 1939 Rattus norvegicus Oct. 1 U.C. Campus, Berkeley, Alameda Co., Calif. At 12:30 P.M. today, I observed some Norway rats on the edge of the campus. They were in a small patch of Pyracanthus brushes that lies just north of the "Southwest gate" at Dana St. and Cross Campus Road. In this patch which consists of about 40+ bushes of this genus, I counted 5 rats. There was also 1 Santa Cruz Song Sparrow on the ground in the patch. Two of the rats were up in the brushes eating the berries. They grabbed the berries singly and if this position was too exposed, would retire to the thicker growth of the shrubbed. One was on the ground at the edge of the patch eating something in the grass. Another seemed to be nibbling at the heads of grasses within the patch. I could not see the 5th one feeding. I think there were more than these 5, but these were all I could count. In eating the berries, I think the outer coat is removed but am not sure. I could hear them crack them. Yesterday at about the same time I also saw numerous