@article {362,
	title = {The Gephyrea of Japan},
	journal = {Journal of the College of Science, Imperial University of Tokyo},
	volume = {20},
	number = {4},
	year = {1904},
	pages = {1-87},
	author = {Ikeda, I.}
}
@article {655,
	title = {Additions to the fauna of the Bermudas from the Yale Expedition of 1901},
	journal = {Transactions of the Connecticut Academy of Arts and Sciences},
	volume = {2},
	number = {2},
	year = {1904},
	pages = {15-62},
	author = {Verrill, A. E.}
}
@article {293,
	title = {The development of Phascolosoma},
	journal = {Archives de Zoologie Experimentale et Generale},
	volume = {4},
	number = {2},
	year = {1904},
	pages = {17-29},
	author = {Gerould, J. H.}
}
@article {131,
	title = {Further notes on the sipunculids of New Zealand},
	journal = {Transactions of the Royal Society of New Zealand},
	volume = {37},
	year = {1904},
	pages = {301-308},
	author = {Benham, W. B.}
}
@article {339,
	title = {Liste des Sipunculides et des Echiurides rapportes par M. Ch. Gravier du Golfe de Tadjourah (mer Rouge)},
	journal = {Bulletin du Museum National d{\textquoteright}Histoire Naturelle, Paris},
	volume = {10},
	year = {1904},
	pages = {562-565},
	author = {Herubel, M. A.}
}
@article {338,
	title = {Sur les Sipunculides nouveaux rapportes de la mer Rouge, par M. Ch. Gravier (note preliminaire)},
	journal = {Bulletin du Museum National d{\textquoteright}Histoire Naturalle, Paris},
	volume = {10},
	year = {1904},
	pages = {476-480},
	author = {Herubel, M. A.}
}
@article {340,
	title = {Sur une nouvelle espece du genre Sipunculus},
	journal = {International Congress of Zoology},
	volume = {6},
	year = {1904},
	pages = {690-695},
	author = {Herubel, M. A.}
}
