[*] 78.
The following have
-um (not
-ium) in the genitive plural:
- Always,
canis
,
iuvenis
,1
ambāgēs
, mare (once only, otherwise wanting),
volucris;
regularly,
sēdēs
,
vātēs
.
- Sometimes,
apis
,
caedēs
,
clādēs
,
mēnsis
,
struēs
,
subolēs
.
- Very rarely,—patrials in -ās, -ātis; -īs, -ītis; as,
Arpīnās
,
Arpīnātum
,
Samnīs,Samnītum.