Of the Barnegat City specimen, No. 20971, the Museum has the complete skeleton, together with a cast of one-half of the entire animal, and another of the head, and some measurements, all of which were obtained by Mr. William Palmer and myself October 3, 1883. The Museum received notice of the stranding of this specimen from Capt. J. H. Ridgway, of the United States life-saving station at Barnegat City. It was an adult female, 19 feet 4 inches long in a straight line. The complete measurements, taken in straight lines with a rod and cord, are as follows: _External dimensions of Ziphius cavirostris, female, Cat. No. 20971, U.S.N.M., Barnegat City, New Jersey._ (Measured in straight lines with rope and bar.) Ft. in. Total length 19 4 Tip of snout to eyes 2 1 Tip of snout to blowhole 2 0 Tip of snout to anterior base of pectoral fin 3 10½ Tip of snout to anterior base of dorsal fin 12 0 Tip of snout to anterior angle of vent 12 3½ Tip of snout to corner of mouth 11½ Length of anterior margin of pectoral fin 2 1½ Length along center of pectoral fin 1 7 Greatest breadth across pectoral fin 6¾ Length of anterior margin of dorsal fin 1 6 Length of base of dorsal fin 1 0 Vertical height of dorsal fin 1 0 Breadth of flukes from tip to tip 5 5 Antero-posterior length of flukes 1 7 Length of eye 2 Breadth of eye 1 Girth around eyes 3 1½ Girth at anterior margin of dorsal fin 7 0½ Girth at root of pectoral fins 6 0½ Breadth of lower jaw at middle of length 4½ Breadth of upper jaw at middle of length 5 Breadth of blowhole 5 Distance from posterior angle of eye to ear 4½