behind the piles of snow along the curb, hurrying into doorways to avoid being seen, darting briskly across streets when the traffic was halted, these two trailed Philip and the nurse. In their handsome gray fur they looked like two small busy postmen delivering letters. In that December season the streets are full of all sorts of cheerful doings and even if the two squirrels were noticed they were merely supposed to be hurrying on Christmas errands. Their sharp little faces were full of purpose, and they followed the unsuspecting pair until they reached the big apartment house on West End Avenue where Philip lived. Even then their task was not finished. They ran up to the top of a tree in front of the building. Swaying about in the bare branches and arguing briskly together, they waited along time. They kept careful watch on all the windows of the apartment house. Then they saw Philip's face appear at one of those windows. He saw them too, and was pleased, for he thought that here were two squirrels who had not yet been fooled. He threw down some empty peanut shells that had remained in his overcoat pocket. The squirrels disregarded this
