The Collaborative International Dictionary of English v.0.48:

Flindermouse \Flin"der*mouse`\, n.[OE. vlindre moth (cf. D.
   vlinder butterfly) + E. mouse. Cf. Flittermouse,
   Flinders.] (Zool.)
   A bat; a flittermouse.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Flittermouse \Flit"ter*mouse`\, n. [Flitter, v.i. + mouse; cf.
   G. fledermaus, OHG. fledarm[=u]s. Cf. Flickermouse,
   Flindermouse.] (Zool.)
   A bat; -- called also flickermouse, flindermouse, and
   flintymouse.
   [1913 Webster]