@article {739,
	title = {Descriptions of twenty-three species of Helicea, from the collection of H. Cumning, Esq.},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1854},
	year = {1854},
	pages = {145-150},
	chapter = {145},
	url = {http://www.biodiversitylibrary.org/item/96679$\#$451},
	author = {L. Pfeiffer}
}
