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Tell tales papa and mamma.

Mam"ma (?), n.; pl.
Mammæ (#). [L. mamma breast.]
(Anat.) A glandular organ for secreting milk,
characteristic of all mammals, but usually rudimentary in the male; a
mammary gland; a breast; udder; bag.

Mam"mal (?), n.; pl.
Mammals (#). [L. mammalis belonging to the
breast, fr. mamma the breast or pap: cf. F. mammal.]
(Zoöl.) One of the Mammalia.

Age of mammals. See under Age,
n., 8.

||Mam*ma"li*a (?), n. pl. [NL., from L.
mammalis. See Mammal.] (Zoöl.) The
highest class of Vertebrata. The young are nourished for a time by
milk, or an analogous fluid, secreted by the mammary glands of the
mother.

&fist; Mammalia are divided into three subclasses; --

I. Placentalia. This subclass embraces all the higher
orders, including man. In these the fetus is attached to the uterus
by a placenta.


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