| Ref No. | Description | Page |
|---|---|---|
| 000946 | Stimpson, W.,1857 Prodromus descriptionis animalium everbratorum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit. Pars II. Turbellarieorum Nemertineorum. Proceedings of the Academy of Natural Science (Philadelphia) ?:159-165. |