e neuter different.

III. Adjectives of one ending--
masculine, feminine, and neuter nominative all alike.

_253._ Adjectives of the third declension in -er have three endings;
those in -is have two endings; the others have one ending.

CLASS I

_254._ Adjectives of Three Endings are declined as follows:

a:cer, a:cris, a:cre, _keen, eager_
STEM a:cri-
BASE a:cr-

SINGULAR PLURAL
MASC. FEM. NEUT. MASC. FEM. NEUT.
Nom. a:cer a:cris a:cre a:cre:s a:cre:s a:cria
Gen. a:cris a:cris a:cris a:crium a:crium a:crium
Dat. a:cri: a:cri: a:cri: a:cribus a:cribus a:cribus
Acc. a:crem a:crem a:cre a:cri:s, -e:s a:cri:s, -e:s a:cria
Abl. a:cri: a:cri: a:cri: a:cribus a:cribus a:cribus

CLASS II

_255._ Adjectives of Two Endings are declined as follows:

omnis, omne, _every, all_[1]
STEM omni-
BASE omn-

SINGULAR PLURAL
MASC. AND FEM. NEUT. MASC. AND FEM. NEUT.
Nom. omnis omne omne:s omnia
Gen. omnis omnis omnium omnium
Dat. omni: omni: omnibus omnibus
Acc. omnem omne omni:s, -e:s omnia
Abl. omni: omni: omnibus omnibus

[Footnote 1: /omnis\ is usually translated _every_ in the singular
and _all_ in the plural.]

CLASS III

_256._ Adjectives of One Ending are declined as follows:

pa:r, _equal_
STEM pari-
BASE par-

SINGULAR PLURAL
MASC. AND FEM. NEUT. MASC. AND FEM. NEUT.
Nom. pa:r pa:r pare:s paria
Gen. paris paris parium parium
Dat. pari: pari: paribus paribus
Acc. parem pa:r pari:s, -e:s paria
Abl. pari: pari: paribus paribus

1. All i-stem adjectives have -i: in the ablative singular.

2. Observe that the several cases of adjectives of one ending have the
same form for all genders excepting in the accusative singular and in
the nominative and accusative plural.

3. Decline /vir acer\, /legio acris\, /animal acre\, /ager omnis\,
/scutum omne\, /proelium par\.

_257._ There are a few adjectives of one ending that have consonant
stems. They