Skinned head, neck and trunk of Martha, the last Passenger Pigeon (Ectopistes migratorius); nat. size. The reversed skin attached to the base of the mandibles. Humeri and femora still attached and partly covered with their muscles. Forearm; hand; the pelvic limbs below the knee, and the uropygial glands have all been removed.
R.W. Schufeldt
1915
Schufeldt, R. W. (1915). Anatomical and other notes on the Passenger Pigeon (Ectopistes migratorius) lately living in the Cincinnati Zoological Gardens. Auk 32(1): 29-41. <a rel="nofollow" class="external free" href="https://archive.org/details/jstor-4071611">https://archive.org/details/jstor-4071611</a>