Microsthene

Mi´cro`sthene

    (mī´krô`sthēn)
n.1.(Zool.) One of a group of mammals having a small size as a typical characteristic. It includes the lower orders, as the Insectivora, Cheiroptera, Rodentia, and Edentata.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.