On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland, in the years 1901 and 1902 : Turbellaria polycladida. Part I. Acotylea /
Laidlaw, F. F.
On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland, in the years 1901 and 1902 : Turbellaria polycladida. Part I. Acotylea / by F. F. Laidlaw - London : [s.n.], 1903 - 99-113 p. : ill. ; 25 cm - Proceedings of the Zoological Society of London .
On the marine fauna of Zanzibar and British East Africa, from collections made by Cyril Crossland, in the years 1901 and 1902 : Turbellaria polycladida. Part I. Acotylea / by F. F. Laidlaw - London : [s.n.], 1903 - 99-113 p. : ill. ; 25 cm - Proceedings of the Zoological Society of London .