What Pokemon evolves through trade?

Kadabra, machoke, graveler, gastly, poliwhirl w/king rock, slowpoke w/king rock, onix w/ metal coat, scyther w/ metal coat, kingdra w/dragon scale, porygon w/upgrade, clampearl e/deepseatooth or deepseascale, rhydon w/ ptotector, electabuzz w/electirizer, magmar w/magmarizer, porygon2 w/ dubious disc, and dusclops w/reaper cloth (w/ means holding)