@article {12610,
	title = {The ultimate larva of Platypsyllus},
	journal = {ENam},
	volume = {6},
	year = {1890},
	pages = {55-56.},
	author = {Horn, G. H.}
}
@article {12608,
	title = {Platypsyllus egg and ultimate larva},
	journal = {ENam},
	volume = {6},
	number = {2},
	year = {1890},
	pages = {27-30.},
	author = {Riley, C. V.}
}
@article {11937,
	title = {"A review of the North American species of Agathidium (Coleoptera; Silphidae)"},
	journal = {ENam},
	volume = {14},
	number = {3},
	year = {1934},
	pages = {99-131.},
	author = {Fall, H. C.}
}
