The discovery process of Taiwan Hill-partridge ( Arborophila crudigularis ) ---- The following by Robert Swinhoe ---- Tamsuy, Formosa, April 30th 1864. About the middle of the month, four Partridges were brought to me from the interior mountains, alive, consisting of three males and one female. They uttered a chuckle very like that of the Guinea-hen (Numidu). I tried my best to induce them to live ; but they knocked themselves about, and one after the other succumbed. Besides their peculiar red unspurred legs, thick black bill, and very short tail, the most striking peculiarity was in their all having an ugly raw-looking red patch on the throat. I thought it curious that aEl the birds should be so injured, if the peculiarity arose from an injury; but, on examining them closely, I found that the bare throat was natural. I have been puzzling myself as to what genus to assign them, but I know of no group of Partridges to which they can be well referred. They are not Arboric...