@article {680,
	title = {Correction of the type locality of Pomacea cumingii (King) 1834},
	journal = {The Nautilus},
	volume = {65},
	year = {1952},
	pages = {105-106},
	author = {Morrison, J. P. E.}
}
@article {681,
	title = {{The Nonmarine Mollusks of San Jos{\'e} Island: With Notes on Those of Pedro Gonzalez Island, Pearl Islands, Panam{\'a}},
	journal = {Smithsonian Miscellaneous Collections},
	volume = {106},
	year = {1946},
	pages = {1-49, pls. 1-3},
	author = {Morrison, J. P. E.}
}
