Page:The New Latin Primer (Postgate).djvu/142

128 family, familiās being an old Gen. of familia, Declen. 1), Acc. pătrem-fămĭliās, and so on. So also māter-fămĭliās f. filius-fămilĭas m.

rēs-pūblica f. common-weal, state; Acc. rem-pūblicam, and so on.

iūs-iūandum n. oath; Gen. irūs-mrandī, and so on.

§280. Heterogeneous Nouns.—Some Nouns of the Second Declension change their gender in the Plural:

Also certain Greek geographical names in -ŭs, which are used both in Singular and Plural, are Neuter in Plural, as: Avernus Avernă, Maenălus Maenălă, Taenărus Taenără.

§ 281. Nouns which vary their Declension (Heteroclite Nouns).—Many names of Trees in -us are declined according to both the Second and the Fourth Declension, as: pīnus f.pine, G. pīnī or pīnūs, Dat. pīnō or pīnū (for pīnuī), Abl. pīnū. N. Plur. pīnūs, A. pīnōs or pīnūs, G. pīnōrum, D. Abl. pīnīs. (Compare dŏmus, § 25.)

In cŭpressus cypress, fāgus beech', fīcus, fig-tree, laurus bay, myrtus myrtle, the Second Declension forms prevail; in quercus oak those of Fourth except Gen, Plur. quercōrum.

Note also:

rēquies f. rest (Third and Fifth Declension); Acc. rĕquiem (less often rĕquiētem), G. rĕquiētis, Abl. rĕquiē (rarely rĕquiētĕ). No Plural.

iūgĕerum, -ī n. acre has D. Abl. Plur. iūgĕrĭbus (Third Declension). The G. Plur. is iūmgĕrum.

vās n. G. vāsis vessel has G. Plur. vāsōrum, D. Abl. vāsīs.

balneum (bălĭneum) -ī n, bath; Plur. balnea, etc., baths, and balneae; etc., f. (First Declension) public baths.

ĕpŭlum, -ī n. banquet; Plur. ĕpŭlae f. (in Sing, sense).

pĕnŭs f. provisions (Fourth Declension) has another form, pĕn-us, -ŏris n. pĕn-um, -ī is also found.