156 Tertiary. 



tenera, Fusus cooper i, now Clavifnsus cooperi, Crepidula dumosa, 

 3furexmantelU, M. septemnaHus, Terehra polygyra, Serpula sqnamu- 

 losa, Cytherea nuttalU^ C. morioni, Ostrea georgiana, and Scutella 

 lyelh\ now Mortonia lyelli; ;ind from more recent Tertiary of the 

 Southern States, Anatina antiqua, now Periploma antiqua^ Saxicava 

 pectorosa, Pandora arenosa^ Tellina decltvis, T. egena, Cytherea obo- 

 vata, C. pandaia, C. reposta, Amphidesma subreflexum, Astarte con- 

 centrica, A. hmidata, A. ohruia^ A. symmetrica, Balanvs lyroteus, 

 Fasciolaria mtitahiUs, Turhinella demissa, Cancellaria pjerspectiva^ C. 

 plagiostoma, Trochus hellus^ T. lahrosus, T. lapidosas, T. mitchelli, T. 

 philantropus, Pleurotoma hiscatenaria, P. incilifera, P. pyrenoides, 

 P. tricatenaria, P. virginiana, Turbo caperatus, 31arginella eburneola, 

 M. limatula, Solarium nuperum, now Architectonica nupera, Delphi- 

 nula lyra, now Carinorbis lyra, Actwon noveUus, Dentalium thalliis, 

 Fissurella alticosta, F. griscomi, Infxvndibidum gyrinum, Capulus 

 lugubris^ Turritella alticostata, T. octonaria, Cancellaria alternata, 

 Pecten decemnarius, P. rogersi, Lepton mactroides, and Tellina bipli- 

 cata. 



He also mentioned the following Pliocene fossils, which are to be 

 found living on the coast of the United States, to wit: Area transversa, 

 Cytherea sayana, C. gigantea, Pholas costata, Ostrea virginiana^ Solen 

 ensis, Amphidesma inequale, Saxicava rugosa, Venus mercenaria, 

 Panopea reflexa, Mactra tellinoides, Patidora trilineata, Cardita tri- 

 dentata, Lucina contracta, L. crenulata, L. divaricata, Corbula con- 

 tracta, Crepidulata convexa, C. glauca, C. plana, Lutraria canalicu- 

 lata, Fusus cinereus, ISTassa trivittata, N. lunata, Natica duplicata, 

 iV. heros, Fulgur carica, F. canaUculatus, Mactra lateralis, Scalaria 

 clathrits, and Vermetus lumbricalis. This list does not include fossils 

 of the newer Pliocene. 



In 1836, Prof. Edward Hitchcock* described, from the Miocene at 

 Portland, Maine, Nucula portlandica. 



Dr. Samuel G. Mortonf described, from a Miocene or Pliocene de- 

 posit, near Marietta, Ohio, Unio petrosus, U. saxulum, U. terrenus, 

 U. tumulatus, and Anodonta abyssina. 



In 1837, Wm. B. and Henr}^ D. Rogers^ described the Tertiary in the 

 counties of Elizabeth City, Warwick, York, James City, Va., and the 

 lower extremities of New Kent and Charles City, having a total length 



* Bost. Jour. Nat. Hist. , vol. i. , pt. 3. 

 t Am. Jour. Sei. and Arts, vol. xxix. 

 t Trans. Am. Phil. Soc, vol. v. 



