DENTALIUM.
Testa univalvis, subcylindrica, utrinque aperta. Spira regularis nulla.
Although the Serpulæ were intermingled, it is clear that they did not accord with the above definition.
D. elephantinum. D. subulatum subarcuatum, angulatum.
The synonymy of the tenth edition was appended, Lister excepted; the erroneous 13 of the reference to the Gazophylaceum was erased. Dens elephantis was the proposed trivial name.
D. entalis. D. subulato-cylindricum, subarcuatum.
The terminal details were not furnished.
D. dentalium was the intended appellation.