Erin Crouch Katelyn McDonald Tacoma, Washington   ECTRODACTYLY, by Katelyn McDonald. At left, the hand bones of an individual with typical development. At right, an example of ectrodactyly, with underdeveloped or missing phalanges and metacarpals. Artwork sourced directly from the artist. December 30th 2017 (Artwork in private collection of the artist). Hands make us human.…