@article {640,
	title = {East African slugs of the family Urocyclidae, III \& IV. The genus Trichotoxon},
	journal = {Journal of East African Natural History},
	volume = {7},
	year = {1961},
	pages = {1-36},
	author = {Verdcourt, B and Polhill, RM}
}
@article {659,
	title = {East African slugs of the family Urocyclidae},
	journal = {Journal of the East Africa Natural History Society},
	volume = {23},
	year = {1960},
	pages = {200-209},
	author = {Verdcourt, B}
}
