We have now done with the Dentitostres and

come to the Conirostres, or Conical Bills, Cuvier's next tribe. The difference between these two tribes is one that presents itself to every boy who keeps pets. The "soft-billed "birds, of which the Robin or Nightingale may be taken for an example, must be fed on artificial foods representing, as nearly as possible, the insects which are their natural diet. They seem to be delicate and difficult to rear, but it is only because you cannot give them exactly the