@article {214,
	title = {The fleas of some Bardsey mammals and birds.},
	journal = {Report of the Bardsey Bird and Field Observatory (1958) 6: 40-41.},
	year = {1959},
	pages = {240},
	author = {Humphries, D. A.}
}
@article {215,
	title = {Mating between subspecies of the Sand Martin flea, Ceratophyllus styx Rothschild (Siphonaptera, Ceratophyllidae).},
	journal = {Entomologist{\textquoteright}s Monthly Magazine 104: 219-224.},
	year = {1968},
	pages = {241},
	author = {Humphries, D. A.}
}
@article {216,
	title = {Behavioural aspects of the ecology of the sand martin flea Ceratophyllus styx jordani Smit (Siphonaptera).},
	journal = {Parasitology 59: 311-334.},
	year = {1969},
	pages = {242},
	author = {Humphries, D. A.}
}
