Misc: what is the name given to a fox's tail?

Questions

Small terrestrial lizard inhabiting warm regions of the Old World?

Novel by Mrs Henry Wood, heroine Lady Isabel Vane?

Not nocturnal, of or during the day?

Qualified doctors specialising in the administration of drugs causing the loss of bodily sensation?

Family name of Meg, Jo and Amy in Louisa May Alcotts book Little Women?