@article {71,
	title = {Report on the Polyzoa collected by H.M.S. Challenger during the years 1873{\textendash}1876. Part I. The Cheilostomata},
	journal = {Report on the Scientific Results of HMS Challenger during the years 1873{\textendash}76, Zoology},
	volume = {10},
	year = {1884},
	month = {1884},
	pages = {xxiv 1{\textendash}216, 36 pls},
	url = {http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-30/README.htm},
	author = {Busk, G.}
}
@article {70,
	title = {Report on the Polyzoa collected by H.M.S. Challenger during the years 1873{\textendash}1876. Part II - The Cyclostomata, Ctenostomata and Pedicellinea},
	journal = {Report on the Scientific Results of HMS Challenger during the years 1873{\textendash}76, Zoology},
	volume = {17},
	year = {1886},
	month = {1886},
	pages = {viii 1{\textendash}47, 10 pls},
	url = {http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-50/htm/doc.html},
	author = {Busk, G.}
}
@book {69,
	title = {Catalogue of marine Polyzoa in the collection of the British Museum, II. Cheilostomata (part)},
	year = {1854},
	pages = {54},
	publisher = {Trustees of the British Museum (Natural History)},
	organization = {Trustees of the British Museum (Natural History)},
	address = {London},
	url = {http://www.archive.org/details/catalogueofmarin02britrich},
	author = {Busk, G.}
}
