Chatham, Mass. Arrivals: Opomis semipalmatus, small number Brinoides melanderus Arcticus semipalmatus Sternia frerata 328 Chatham, Mass. 1876. Sunday May 4 Clear and warm in forenoon. P.M., cloudy with heavy fog and Thunder Storm at sunset. N.S.E. Brow later and went down to the Brant boxes at about 10 A.M., Cory & Hull lay at the “Bravel Bar” Bar, with myself at the “Headshot” Saw a few Brant but none came within range. I shot then in. Loanis agelatus & Hull on do. I also shot an E. semipalmatus from a small flock and saw several others. Saw Aeg. semipalmatus and small flocks of Brinoides melanderus a number, Saw also a fine ad of Somateria molissima which passed the box within twenty yards before I caught sight of him. Numbers of Magus Setteror and several Sterna Caspia. Also a single Sterna frerata. A flock of about ten S. Helvetica lit on an island near us and I tried to stalk them but they were too shy. They presented a most beautiful appearance in their perfect summer plumage. Returning to the house at 1 P.M. we had a good dinner and immediately after started in boat's dory for Chatham which we reached at 6 P.M., shooting three Gambetta melandinea on the way. Monday May 5 To day at Cambridge was very warm and fresh air maximum temperature reaching 48°. The following arrivals are noted Drag found out of Ref. Corfini in Waltham less free.