@article {180,
	title = {On a Collection of Land-Shells made in Borneo by Mr. A. Everett, with Descriptions of supposed new Species. Part II. Zonitidae and Helicidae.},
	journal = {Proceedings of the Zoological Society of London},
	year = {1891},
	month = {January 1, 1891},
	pages = {22-47},
	type = {Malacological taxonomy \& anatomy},
	chapter = {22},
	url = {http://www.biodiversitylibrary.org/item/97151$\#$58},
	author = {Godwin-Austen, H. H.}
}
@article {177,
	title = {On a Collection of Land-Shells made in Borneo by Mr. A. Everett, with Descriptions of supposed new species. Part I.},
	journal = {Proceedings of the scientific meetings of the Zoological Society of London},
	year = {1889},
	pages = {332-355},
	type = {Malacological taxonomy},
	chapter = {332},
	url = {http://www.archive.org/details/proceedingsofgen89scie},
	author = {Godwin-Austen, H. H.}
}
