@article {pdf, title = {A monograph of the genus Macrostomum O. Schmidt 1848. Part IV.}, journal = {Zoologischer Anzeiger}, volume = {128}, year = {1939}, note = {2112}, pages = {188-205}, type = {article}, abstract = {Describes: Macrostomum collistylum n. sp. Macrostomum curvistylum n. sp. Macrostomum gieysztori n. sp. Macrostomum gilberti n. sp. Macrostomum glochistylum n. sp. Macrostomum graffi n. sp. Mentions: Macrostomum gracile Macrostomum infundibuliferum Macrostomum intermedium Macrostomum japonicum}, keywords = {Macrostomum}, author = {Ferguson, Frederick F} }