Later Beds of the Glacial Formation. ot 
(Highteen new species since found. ‘Those named are 
echinoderms; Ophiura sarsi, Ctenodiscus crispatus, Tripylus 
Jragilis, previously unknownin the glacial formation.— Trans.) 
LATER SHELL-BEDS, BELONGING TO THE LOWER LEVELS. 
Hévig near Christiania. Height 100 te 150 feet and upwards. 
In sand, resting directly on the rock with clay around. 
Tritonium despectum (Murex), L., syn. Fusus antiquus. Nassa 
reticulata (Buccinum), L. Cerithium reticulatum, da Costa. 
Aporrhais pes pelicani (Strombus), L. —__Littorina littorea 
(Turbo), L.  L. littoralis (Nerita), L. Rissoa membranacea 
(Turbo), Ad. syn. R. labiosa. Trochus cinerarius, U. 
Denialium entalis, L. Ostrea edulis, L. | Pecten varius 
(Ostrea), L. Nucula margaritacea, Lamk., syn, N. nucleus. 
Cardium fasciatum, Mont. C. pygmeum, Don. Tapes 
decussata (Venus), L. Astarte elliptica, Brown, A. com- 
pressa (Venus), Mont. Corbula nucleus, Lamk. Saxicava 
pholadis (Mytilus), L., syn. S. rugosa. S. arctica (Mya), L. 
Heistadt near Eidanger Fjord. Height 100 to 150 feet and 
upwards 
In digging a well, shells found in the sand exactly as at 
Hovig. 
Nassa reticulata (Buccinum), L. Cerithium reticulatum, da 
Costa. Rissoa parva, da Costa. Emarginula reticulata, 
Sow. Acmza virginea (Patella), Mill. Venus ovata, 
Penn.  Lwucina borealis (Venus), L. 
Ravnsborg near Christiania. Height 50 feet and upwards. 
In sand resting directly on the rock. 
Ostrea edulis, L. Cardium echinatum, L. Astarte com- 
pressa (Venus), Mont. Lucina borealis (Venus), L, 
Aafoss near Skien. Height 100 feet and upwards, 
At the bottom is sand and sandy clay, above this lies a 
bed of shells more than ten feet thick. 
Balanus crenatus, Brug., Darw. 
Buccinum undatum, L. Purpura lapillus (Buccinum), L. 
Natica nitida, Don. _Littorina littoralis (Nerita), L. _La- 
cuna vincta (Turbo), Mont. Trochus cinerarius, L. — Patella 
pellucida, L. Anomia patelliformis, L. A, aculeata, 
