the exterminator of the Cabbage Caterpillar.
method of feeding.
emergence from the host.
cocoons.
the adult.
pairing.
food.
the eggs laid in the Butterfly's egg.

Mole, burial of a.
a supply of corpses obtained.

Mouse, burial of a.

National festival, the.

Natterjack.

Necrophorus, see Burying-beetles.

Oryctes.

Osmia.
cells of different species.
glass nests of Three-horned Osmia.
distribution of sexes.
optional determination of sex.

Owl.
Horned Owl.