On the Structure and Affinities of the Tanganyika Gastropods Chytra and Limnotrochus

Lettice Digby
1902 Journal of the Linnean Society of London Zoology  
doi:10.1111/j.1096-3642.1902.tb01549.x fatcat:lczqcrlrkjb7pfz3y64zx5hv7u