Whatsoever goeth upon the belly - that is, all footless reptiles, and mollusks, snakes of all kinds, snails, slugs, and worms. “Whatsoever g…

In explanation of the general statement made in the preceding verse, three classes of creeping things are here presented:

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Whatsoever goes upon the belly
Jarchi's paraphrase is, "whatsoever goes", as worms and beetles, and the like to them…

These laws seem to have been intended,

1. As a test of the people's obedience, as Adam was forbidden to eat from the tree of knowledge…