Title: Biblio RTF Export
Author: Biblio 7.x

R.  Horst, ?Aspidosiphon cylindricus, n.sp.?, Notes from the Leyden Museum (Rijks Museem van natuurlijke historie), vol. 20, pp. 195-198, 1899.

S. J.  Metalnikoff, ?Das Blut und die Excretionsorgane von Sipunculus nudus?, Stazione Zoologica, Naples, vol. 13, pp. 440-447, 1899.

A. E.  Shipley, ?On Gephyrean worms from Christmas Island?, Proceedings of the Zoological Society of London, vol. 22, pp. 54-57, 1899.

A. E.  Shipley, ?A report on the Sipunculoidea collected by Dr. Willey at the Loyalty Islands and in New Britain?, in Zoological Results based on material from New Britain, New Guinea, Loyalty Islands and elsewhere collected 1985-1897 by A. Willey, A.  Willey, Ed. Cambridge: University Press, 1899, pp. 151-160.