@article {118,
	title = {Report on the deep-sea medus{\ae} dredged by H.M.S. Challenger during the Years 1873-1876},
	journal = {Report of the Scientific Results of the Voyage of the H.M.S. Challenger during the years 1873-76; Zoology Part XII},
	volume = {Volume 4 (1882)},
	year = {1881},
	month = {1981},
	pages = {1-154, with 32 plates},
	type = {Expedition report - monograph},
	url = {http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-12/README.htm},
	author = {Haeckel, Ernst}
}
