@article {42780, title = {Some problems connected with the cuckoo and its ectoparasites}, journal = {Scottish Naturalist}, volume = {1931}, year = {1931}, month = {1931}, pages = {145 - 147}, url = {http://phthiraptera.info/sites/phthiraptera.info/files/42780.pdf}, author = {Bagnall,Richard S.} }