Bill short, or of moderate length, stout, broader than high at the base, compressed toward the end; the gape-line slightly arched, the ridge narrow, the notch and dentiform process large, the tip narrow and decurved. Head large, roundish, ovate; neck short; body compact. Legs of moderate length; tarsus compressed, with seven anterior scutella; toes moderate, compressed; hind toe rather stout, lateral about equal, the outer adherent at the base. Claws arched, compressed, acute. Plumage soft and blended. Bristles rather strong. Wings and tail various. Roof of upper mandible narrow, with a median ridge; tongue slender, concave above, horny toward the end, with the margins lacerated, and the tip slit; œsophagus wide, uniform; proventriculus elliptical; stomach broadly elliptical or roundish; its muscular coat thin, the epithelium dense and longitudinally rugous; intestine of moderate length; cœca very small; cloaca oblong or globular. Trachea simple; four pairs of inferior laryngeal muscles. GENUS I. LANIUS, Linn. SHRIKE, or BUTCHER-BIRD. Bill of moderate length, strong, compressed; upper mandible with the dorsal line a little arched, towards the end decurved, the sides convex, the edges direct, with a large prominence succeeded by a deep notch, the tip decurved and acute; lower mandible with the angle short and wide, the dorsal line convex, the sides convex, the edges inflected, the tip ascending, acute. Nostrils basal, lateral, oval, concealed by the bristly feathers. Head large, broadly ovate; neck short; body robust. Tarsus rather short, compressed, slender, with eight scutella; toes small, the first stout, the lateral nearly equal. Claws rather large, arched, compressed, extremely acute. Plumage soft and blended. Bristles stiff. Wings of ordinary length, first quill very short, fourth longest. Tail long, graduated, or rounded. 236. 1. Lanius borealis, Vieill. Great American Shrike. Plate CXCII. Male and Female.