We have little information as to which of these birds frequented the country in ancient times. The Assyrian artists are not happy in their delineation of the feathered tribe; and though several forms of birds are represented upon the sculptures of Sargon and elsewhere, there are but three which any writer has ventured to identify--the vulture, the ostrich, and the partridge. The vulture is commonly represented flying in the air, in attendance upon the march and the battle--sometimes devouring, as he flies, the entrails of one of Assyria’s enemies. Occasionally he appears upon the battle-field, perched upon the bodies of the slain, and pecking at their eyes or their vitals. [PLATE XXVIII., Fig. 4.] The ostrich, which we know from Xenophon to have been a former inhabitant of the country on the left bank of the Euphrates, but which has now retreated into the wilds of Arabia, occurs frequently upon cylinders, dresses, and utensils; sometimes stalking along apparently unconcerned; sometimes hastening at full speed, as if pursued by the hunter, and, agreeably to the description of Xenophon, using its wing for a sail. [PLATE XXIX., Figs. 1, 2.] The partridge is still more common than either of these. He is evidently sought as food. We find him carried in the hand of sportsmen returning from the chase, or see him flying above their heads as they beat the coverts, or finally observe him pierced by a successful shot, and in the act of falling a prey to his pursuers. [PLATE XXIX., Fig. 3.] [Illustration: PLATE 29] The other birds represented upon the sculptures, though occasionally possessing some marked peculiarities of form or habit, have not yet been identified with any known species. [PLATE XXIX., Fig. 2.] They are commonly represented as haunting the fir-woods, and often as perched upon the trees. One appears, in a sculpture of Sargon’s. in the act of climbing the stein of a tree, like the nut-hatch or the woodpecker. Another has a tail like a pheasant, but in other respects cannot be said to resemble that bird. The artist does not appear to aim at truth in these delineations, and it probably would be a waste of ingenuity to conjecture which species of bird he intended. We have no direct evidence that bustards inhabited Mesopotamia in Assyrian times; but as they have certainly been abundant in that region front the time of Xenophon to our own, there can be little doubt that they existed in some parts of Assyria during the Empire. Considering their size, their peculiar appearance, and the delicacy of their flesh, it is remarkable that the Assyrian remains furnish no trace of them. Perhaps, as they are extremely shy, they may have been comparatively rare in the country when the population was numerous, and when the greater portion of the tract between the rivers was brought under cultivation.