LL - Cap. IV

On page 28, line 60 Iulius says: “Sacculum tuum in mensa pone!”.

Why “mensa” is in Ablativius? Why is not in Accusativus? I thought “in” was used with Accusativus, when there is a motion into. Ablativus is used with “in” only when there is static position.

So why here is not “Sacculum tuum in mensam pone!”, when we have here a clear motion?

:question:

Gratus, maxval, tuus adventus. //Welcome, maxval

Because it’s no so clear.
Quod clarius non est.

Hello, the Gildersleeve’s Latin grammar" remarks in page 247

Verbs of Placing and kindred significations take the Abl. with in, to designate the result of the motion : classical are ponere, to place, … > Plato rationem in capite posuit, iram in pectore locavit> , C., Tusc., I. 10, 20 ; Plato has put reason in the head, has placed anger in the breast.