@article {742,
	title = {Descriptions of fifty-seven new species of Helicea, from Mr. Cuming{\textquoteright}s collection},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1854},
	year = {1854},
	pages = {286-299},
	chapter = {286},
	url = {http://www.biodiversitylibrary.org/item/96679$\#$616},
	author = {L. Pfeiffer}
}
