f 
417 
shells, as Lacuna divaricata and Lacuna puteolus, occurred liere from 
500 to 530 fathoms below tbe level which they inhabit. 
St. 5. 189 fms. is situated on a gentie slope N. W. of the 
Hebrides. A form like Littorina rudis has here lain ca. 180—190 
fms. below the level whereon it has lived. The distance to the 
coast is ca. 60 miles. 
St. 7. 650 fms. is farther out in the open Atlantic than the 
above named stations. A littoral form like Lacuna divaricata has 
here been taken 630—650 fms. below the level whereon 'it has lived. 
i 
The distance to the shore is ca. 200 miles. 
St. 58. 540fms. is almost in the middle of the Færoe-Channel. 
Hydrohia ulvæ has here been found ca. 530—540 fms. below the 
zone where it lives. 
II. Between Scotland; Ireland^ and the Rockall Bank and 
ofF the West Coast of Ireland. N. lat. 52° to N. lat. 56°. „Porcu- 
pine“ Exp. 1869. 
Depth at which 
the dead shells 
occurred. 
Kange of the 
living Molluscs 
in the North- 
East Atlantic. 
Bange of 
the living 
Molluscs 
at the 
coasts of 
i^orway 
etc. 
Bomarks. 
Auomia patelliformis, Linné. . 
St. 2. 808 fms. 
sublittoral 
0-40 
« 
Pecten opercularis, Linné.. .. 
— — 
5-100 B.M. 
5-100 
— téstæ, Bivona. 
— — 
10-400 B. M. 
10—100 
Venus gallina, Linné. 
— — 
sublittoral 
0-100 
Mactra stultorum, Linné. 
— — 
3-10 
3—10 
Solen pellucidus, Pennant . . . 
— — 
5—75 B. M. 
5-50 
Aporrhais pes pelicani, Linné 
— — 
sublittoral 
5-100 
Leda pernula, Muller. 
St.4. 251—539 
ca. 10-200 
10-150 
Ostrea edulis, Linné. 
St. 6. 90 
2—50 
2-40 
Psammobia vespertina, Chemn, 
St. 7. 159 
5-20 
5-10 
,Fragment“. 
Auomia patelliformis, Linné. . 
St. 9. 165 
sublittoral 
0-40 
vidensk. Meddel, fra den naturhist. Foren. 1902. 27 
