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vespertiliones
From The Collaborative International Dictionary of English v.0.48:
Vespertiliones \Ves`per*til`i*o"nes\, n. pl. [NL.] (Zool.) A tribe of bats including the common insectivorous bats of America and Europe, belonging to Vespertilio and allied genera. They lack a nose membrane. [1913 Webster]

