Part of our revived "Poetry Pamphlets" series, Pneumatic Antiphonal is a fun, humming,bio-physiological word-whizzing flight into birdsong penned by young Canadianpoet, Sylvia Legris — her first publication in the U.S. An excerpt: The theory of corpuscular flight is the cardinal premise of red birds carrying song-particles carrying oxygen. Erythrocytic. Sticky. Five quarts of migration.