Scansoriopterygidae scansoriopterygids had a semilunate carpal (half-moon shaped wrist bone) that allowed for bird-like folding motion in the hand. Even if powered flight was not possible, this motion could have aided maneuverability in leaping from branch to branch. The adult specimen of "Epidexipteryx" lacked preserved feathers around the forelimbs, but preserved simple feathers on the body and long, ribbon-like feathers on the tail. The tail feathers, likely used in display, consisted of a central shaft (rachis) and unbranched vane (unlike the vanes of modern feathers, which are broken up into smaller filaments or barbs). "Yi" also preserves feathers. These are notably
Calamus (poems) the allegedly mind-altering effects of the root. The root was chiefly chewed at the time as a breath-freshener and to relieve stomach complaints. Calamus (poems) The "Calamus" poems are a cluster of poems in "Leaves of Grass" by Walt Whitman. These poems celebrate and promote "the manly love of comrades". Most critics believe that these poems are Whitman's clearest expressions in print of his ideas about homosexual love. The first evidence of the poems that were to become the "Calamus" cluster is an unpublished manuscript sequence of twelve poems entitled "Live Oak With Moss," written in or before spring 1859.