809 - ALLMAN, George James (1812–1898), Irish botanist. Signed autograph letter. Edinburgh, October 31, 1864. 4 pp., in-8. Letterhead embossed with “University of Edinburgh.”

ALLMAN, George James (1812–1898), Irish botanist. Signed autograph letter. Edinburgh, October 31, 1864. 4 pp., in-8. Letterhead embossed with “University of Edinburgh.” Regarding the Tubularia examined at the “Muséum of the Jardin des Plantes” [in Paris]. He offers his observations and comparisons on the Tubularida [flatworms]: “I considered the Tubularida an animal of great interest and one as yet quite undescribed, […]. Besides its large size, which is particularly remarkable, you will see that it differs from all the described true Tubularia. In fact, the oral tentacles are not arranged in a single vertical row with a number nearly the same as that of the basal or long tentacles. In the specimen from the Jardin des Plantes, the oral tentacles are, on the contrary, much more numerous than the basal tentacles, and instead of being arranged in a single whorl, they are scattered or possibly arranged in several closely spaced whorls. […] You are aware that a large Tubularia is described by Lamouroux […] under the name T. Gigantea, […]. A very large Tubularia is also described by Boeck, who provides an illustration of the living animal […].” Explanations and comparisons with the Paris worm.