family Ephemeridae

boomerang child born-and-breds clonal abortion hypothesis Coelolepida destrutive read-out enjail far-end field furnace lining hop-scot isothermal quilibrium John Hanning Speke perturbed hard chain theory(PHC) radiation-induced polymerization selling-out semi-open type single stage compressor sofias turning fight wet curing x-ray microradiography