Note 21 — Family TURDIDÆ.—The Thrushes.
Reading edition
In a perfectly fresh specimen of Turdus mustelinus, the basal half of the first phalanx of the inner toe is connected with the first joint of the middle toe by a membrane which stretches across to within two fifths of the end of the latter; there appears, however, to be no ligamentous adhesion. The basal joint of the outer toe is entirely adherent, and a membrane extends from nearly the basal half of the second joint to the distal end of the first joint of the middle toe. When this connecting membrane becomes dried the division of the toes appears considerably greater.
When the toes are all extended in line with the tarsus, the hind claw stretches a little beyond the lateral and scarcely reaches the base of the middle claw.
The plates at the upper surface of the basal joints of the toes are quadrangular and opposite each other.