_cases of ignorance_.

Nouns used in the Plural only.

56. Here belong--

1. Many geographical names; as, Thēbae, _Thebes_; Leuctra, _Leuctra_;
Pompejī, _Pompeii_.

2. Many names of festivals; as, Megalēsia, _the Megalesian festival_.

3. Many special words, of which the following are the most important:--

angustiae, _narrow pass_. mānēs, _spirits of the
arma, _weapons_. dead_.
dēliciae, _delight_. moenia, _city walls_.
dīvitiae, _riches_. minae, _threats_.
Īdūs, _Ides_. nūptiae, _marriage_.
indūtiae, _truce_. posterī, _descendants_.
Ä«nsidiae, _ambush_. reliquiae, _remainder_.
majōrēs, _ancestors_. tenebrae, _darkness_.
verbera, _blows_.

Also in classical prose regularly--

cervīcēs, _neck_. nārēs, _nose_.
fidēs, _lyre_. vīscerā, _viscera_.

Nouns used only in Certain Cases.