Chatham Mass. Habits notes etc of Sterna fœnata 330 1876. Monday May 27 Clear with cold & wind, Rowed down to Harding's after breakfast and took the sail boat again getting off in her at about 11 A.M. Sailed directly down to the point of Monomoy when we chased the last terns about for some time killing four, landing on the beach at about 2 P.M. Mr. Brown set out some decoys and lay in a stand while I tramp'd about in search of birds, found Sandling in large flocks each flock usually accompanied by fin or my Strepitas interpres. All these birds were very shy but I managed to knock one a few of the former and one of the latter while Mr. Brown got one tiny fin turnstone and five or six more Sandling (none of them Sandling were found in full plumage) and I had almost given up getting a good one when Mr. Emerson find a long nest into a flock killing a very fine 8" which he kindly gave me. Sterna fœnata was abundant here a colony having evidently selected this spit as a breeding ground, About 100 pairs were collected and I had a fine chance to watch them. Their ordinary note is kil-he kil-he kil lie but when chasing on another the utter a very loud harsh croak almost like the "cloth dipping" one of S. paradisæ. Sometimes a pair would come shooting over the beach with wings set and wheeling gracefully to the right or left the male uttering his Crio incessantly: at other times they flew with arrowy swiftness and this