416 
\ 
Depth at which 
the dead shells 
oceurred. 
Range of the 
living Molluscs 
in the North- 
East Atlantic. 
Range of 
the liviug 
molluscs 
at the 
coasts of 
Norway 
etc. 
Remarks. 
Trochus zizyphiuus, Chemn. . 
St. 4. 530 fms. 
sublittoral 
0—20 
Lacuna divaricata, Fabricius . 
— — 
1-10 
1—10 
— puteolus, Turton. 
— — 
1—10 
1-10 
Rissoa striata, Adams. 
— — 
o 
1 
CT 
O 
0—50 
Poeten tigriims, Muller. 
St.5. 189 fms. 
5—155 B. M. 
O 
1 
1— * 
o 
o 
Venus fasciata, da Costa. 
— — 
sublittoral 
5—50 
Mactra solida, Linné. 
— — 
5—50 
5—20 
— elliptica, Brown. 
— — 
5—75 B.M. 
5—50 
Trochus zizyphiuus, Chemn. . 
— — 
sublittoral 
0-20 
Lacuna divaricata, Fabr. 
— — 
1-10 
1-10 
Littorina rudis, Maton. 
— — 
0-5 
0-5 
Rissoa striata, Adams. 
— — 
0—50 
0-50 
Mactra elliptica, Brown. 
St. 7. 650 fms. 
5-75 B.M. 
5-50 
Margarita groenlandica, Chmn. 
— — 
0—100 
0-100 
„ Fragments “. 
Lacuna divaricata, Fabricius . 
— — 
1-10 
.1—10 
A dead, adult 
Cyprina islandica, Linné .... 
St.58. 540 fms. 
2-100 
2—50 
specimen. 
Hydrobiæ ulvæ. Penn. 
— — 
littoral 
littoral 
The position of the dredgiug - stations from the „Ligthmng“ 
and the „Porcupiue“ is shown on the maps in C. Wj vi Ile Thom¬ 
son’s: The depths of the Sea (London 1873). 
St. 2. 170fms. is situated in the middle of the Færoe-Channel 
on a verj restricted shoal, the hottom of which, according to C. TT. 
Thomson, chieflj consisted of „small roimded pebbles of the dark 
anamesite of the FæroesIt must be regarded as improbable that 
the named shallow-water forms should have lived at so considerable 
a depth; still the possibilitj is not quite excluded. The species 
belong most likelj to a level from 100 to 160 fms. higher than 
the place where they were found. 
St. 4. 630 fms. is in the Færoe-Channel about 85 miles 
north-west of the Hebrides. The most well marked shallow-water 
✓ 
