1913] SOME CLAY DEPOSITS IN THE S.-E. PART OF NORWAY 11 



Length. 



Number, 



12 mm. 



1. 



14 - 



1. 



14—16 — 



9. 



16-18 — 



17. 



18-20 — 



3. 



20 — 



1. 



Macoma calcaria Ghemn. forma typica. 



Lyonsia arenosa Møll. was found in numerous specimens, 

 mostly broken, but some, however, in large and fine ones belon- 

 ging to forma typica. Length of shell 27 mm. Near Aas- 

 gaardstrand I have collected the same type of length 20 mm. 

 And specimens of quite the same type and size as the last 

 mentioned one I also found at Ytterland (P. A. Øyen: Kvartær- 

 studier i Trondhjemsfeltet, II. 1911, p. 42), and measuring a 

 length of 22 mm. it was found near Fjerheimsfos (1. c. p. 93). 

 Neither specimens collected at the brick-work of Getinge (south- 

 western part of Svveden) nor specimens dredged by Sparre- 

 Schneider near Tromsø by far attain the above mentioned 

 length of species from Charlottenberg. 



Buccinum hydrophanum Hanck. forma typica occurred 

 in a rather large specimen and two smaller ones. 



Buccinum terrae novae Mørch forma typica and var a 

 Leeche. 



Sipho togatus Mørch. 



This fossil-bearing clay was covered with a quite similar one 

 of a yellowish-grey colour to the thickness of about one metre. 

 And, then the whole clay-deposit was covered with a layer of 

 sand, gravel, and stones to the thickness of one metre and a 

 half. This covering material was of quite the same character 

 as that of the large ra-moraine. 



In the three localities just described we do not follovv the layers 

 with arctic shells higher up than about ten metres above the present 

 sea-level. Then, of course, it was of some importance that I 

 already in the month of June 1899 succeeded in tracing the same 

 arctic fossils in clay thrown up in the sinking of a well near 



