O R D. I. G E N. I. FALCON. SPE. XVII. GREY FALCON. PI. 17. Falco Grifeus. Lath. Ind. Orn. p. 37. No. 86. This bird is about the fize of a raven, but of a {lender form. The bill is fhort, ftrong, and blueifH: cere yellow: eyes red: eyelids yellow: the head fmall, flat, and brown on the top; back of the head white, fides and throat pale yellow: belly yellowifh white, marked with oblong black fpots: the hind part of the neck and back of a deep grey colour: the wings are very long, reaching beyond the end of the tail: quills {potted with white: the tail is long, wedge fhaped, and fpotted, except the two middle feathers, which are plain: the legs are long, naked, and yellow. This bird was {hot near Halifax in Yorkfhire, and the figure and defcription were communicated by Mr. Bolton.