tobacco mouse

Ricki Lewis’ Time Machine

Can a Quirky Chromosome Create a Second Human Species? Excerpt 1) The first departure from the common house mouse (Mus musculus) was the “tobacco mouse” (Mus poschiavinus), described in 1869 from specimens trapped in a tobacco factory in Valle di Poschiavo, Switzerland. They had big heads and small, dark bodies. Excerpt 2) I spoke to Bear Ricki Lewis’ Time Machine