Prodromus descriptionis animalium evertebratum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit. Pars II. Turbellarieorum Nemertineorum
Published in Proceedings of the National Academy of Sciences of Philadelphia, in 1857, in volume 1857, pages 159-165
Date published:1857