What is "white-lipped snail"

n. a kind of snail, (taxlink Cepaea hortensis species), very similar to the grove snail, but with a white band at the lip of the shell.

The White-lipped Snail or Garden Banded Snail, scientific name Cepaea hortensis, is a medium-sized species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Helicidae. It is a close relative of the Grove Snail.