18 Dr M. Sars on Shells from the Earlier and 
at p. 25, where a current has probably prevented the ac- 
cumulation of later deposits.—Zranslator. | 
Note——The lists of shells are printed exactly as given by the author. 
Where his name is not the one received here, the translator has supplied the 
other with the mark syn. 
HIGHER LYING (OLDEST) SHELL BEDS. 
Killebo in Rakkestadt. Height 400 to 440 feet. 
This bed rests partly on the solid rock, partly on an inter- 
vening bed of clay four or five feet thick. 
Balanus porcatus, da Costa, Darw. _ B. crenatus, Brug., Darw. 
Ochthosia Stroemi (Lepas), Miill., syn. Verruca strémia, 
Serpula triquetra, L. §. vermicularis, Miill. 
Trophon clathratus (Murex), L., syn. Fusus banffius var. major, 
Loven. Nassa reticulata (Buccinum), L.  Natica nitida, 
Don. Littorinalittorea(Turbo),L. —L.]ittoralis(Nerita), L. 
Trochus tumidus, Mont. T.magus,L. Puncturella noa- 
china (Patella),L. Lepeta ceca (Patella), Mill., syn. Propili- 
dium ancyloide, _Pilidium fulvum (Patella), Mill. Anomia 
ephippium, L. A. patelliformis, L. Ostrea edulis, L. 
Pecten islandicus, Mill. Mytilus edulis, L. Modiola 
modiolus(Mytilus),L. Cardium edule, L. lLucina borealis 
(Venus), L. Venus ovata,Penn. Tapes pullastra (Venus), 
Mont. Astarte arctica, Gray. A. compressa, Mont. A. 
elliptica, Brown. Tellina proxima,Brown, Mya truncata, L. 
Saxicava pholadis (Mytilus), L., syn. S. rugosa. _S. arctica 
(Mya), LL. 
Skjcldalen in Aremark, Height 470 feet. 
On the rock rests a layer of clay of varying thickness, in 
which are shells. Above this is the shell-bed ten feet thick, 
in the midst of which occurs a bed of clay deposited from 
water. 
Balanus porcatus, da Costa, Darw. 
Trophon clathratus (Murex), L., var. major Lovén. Buce- 
cinum undatum, L. 8B. gronlandicum, Chemn. Natica 
clausa, Sow. Tapes pullastra (Venus;, Mont. ‘Tellina 
proxima, Brown. Mya truncata, L., et var. Udewallensis, 
Forb. Saxicava pholadis (Mytilus), L., syn. S, rugosa. 
(Five new species since found. Names not given.— 
Translator. ) 
