Later Beds of the Glacial Formation. 19 
“Skullerud in Héland. Height 450 feet. 
On the top is a layer of sand mixed with shells, below is 
a sandy clay with shells. At the bottom common sandy clay. 
Balanus porcatus, da Costa, Darw. 
Tritonium despectum (Murex), L., syn, Fusus antiquus. Tro- 
phon clathratus (Murex), L., var, major Lovén. Buccinum 
gronlandicum, Chemn. Natica clausa, Sow, Pecten islandi- 
cus, Mill. Mytilus edulis, L.  Tellina solidula, L. 
(Thirteen new species since found. Names not given.— 
Translator.) 
Biérum in Asker. Height 460 feet. 
Tritonium despectum (Murex), L., syn. Fusus antiquus. Buc- 
cinum undatum, L. Natica groénlandica, Beck. Aporrhais 
pes pelicani (Strombus), L. —_Littorina littorea (Turbo), L. 
Dentalium abyssorum, Sars. Pecten danicus, Chemn. 
Leda pernula (Arca), Mill. Cyprina islandica (Venus), 
L. Panopea norvegica (Mya), Spengl. 
OLDEST CLAY UNDERLYING LATER DEPOSITS, 
Brynd, near Christiana, Height 200 feet and upwards. 
The shells occur in a sandy marl, with thin layers of 
sand interspersed. t 
Siphonodentalium vitreum, Sars. Arca raridentata, Wood, 
var. major, Sars. Yoldia pygmea (Nucula), Miinst. 
Somewhat Higher. 
Pecten danicus, Chemn. 
Skibtvedt, Height 90 feet. 
Close beside the church; on the very edge of the River 
Glommen, and pretty deep below the surface of the clay- 
flat; in beds of sand, which occur in clay beds. 
Siphonodentalium vitreum, Sars. Arca raridentata, Wood, 
var. major, Sars. Leda pernula (Arca), Miill, Pecten 
danicus, Chemn. 
Bakkehuus, near Christiania. 
Nassa reticulata (Buccinum), L. Cyprina islandica (Venus), L. 
Corbula nucleus, Lamk. 
