@article {726,
	title = {Descriptions of forty-two new species of Helix, from the collection of H. Cuming, Esq.},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1854},
	year = {1854},
	pages = {49-57},
	chapter = {49},
	url = {http://www.biodiversitylibrary.org/item/96679$\#$343},
	author = {L. Pfeiffer}
}
