An adult male obtained near Boston examined. The heart is 2 inches long; the lobes of the liver are nearly equal, the right being 3 inches 7 twelfths long, the left 3 inches 3 twelfths. The upper mandible has about 28 recurved conical, acute, horny papillæ, and an internal series of smaller, on each side; the tip of the unguis serrulate; on the lower mandible are about 40 of the same nature. The tongue is 2 inches 1 twelfth long, fleshy, emarginate, and papillate at the base, tapering, with a double row of slender reversed papillæ along the upper surface, and two lateral series of filaments on each side; the tip lacerated, horny on the back. Posterior nasal aperture oblong, 10 twelfths in length, papillate on the edges. Aperture of the glottis 4-1/2 twelfths long. The mouth is 10 twelfths in breadth, but may be extended to 1 inch 9 twelfths. The œsophagus is 10-1/2 inches long, its diameter 1 inch 7 twelfths on the neck, contracting to 8 twelfths as it enters the thorax, but again expanding; the external coat of transverse muscular fibres very thick; the internal layer of longitudinal fibres very distinct; the mucous coat thrown into prominent longitudinal plaits when contracted; the mucous follicles disposed in longitudinal single series. The proventriculus is 2 inches long, the glandules very numerous, oblong, about 2 twelfths in length, forming a complete belt. The stomach is a strong gizzard, of moderate size, 2 inches long, the lateral muscles 5 twelfths thick; the epithelium very thick, nearly 1 twelfth, longitudinally rugous. In the stomach and gullet was a fish 9 inches long, the portions lying in the stomach and proventriculus partially dissolved, the rest 4 inches long, not acted upon; there were also two fragments of quartz, one of them a quarter of an inch long. The intestine is long, measuring 6 feet 3 inches, its diameter from 5 to 3 twelfths. The cœca are 2 inches long, for half an inch 1-1/2 twelfth in diameter, in the rest of their extent 4 twelfths. The rectum 5 inches long, including the cloaca, which has a diameter of an inch and a quarter.