122 
THE VOYAGE OF H.M.S. CHALLENGER. 
Attention may be drawn to the fact that Nos. 47, 50, and 51 show a high bottom 
temperature, whilst Nos. 57 and 77 represent a cold area. 
No. 47. Lat. 59° 34' N., long. 7° 18' W. Depth, 542 fathoms ; surface tempera- 
ture, 54° Fahr. (12 0, 2 C.) ; bottom temperature, 43°‘8 Fahr. (6°'5 C.). 
Corresponding very nearly in position with the “Knight-Errant” Stations 
4, 6,7. 
Sandy mud, richer in arenaceous than in calcareous Rhizopoda ; containing also 
one or two small sponges, fragments of brittle-stars, and a few Ostracoda 
and Radiolaria. Of the Rhizopods the more notable forms were Astrorhiza 
arenaria, Marsipella elongata, Planispirina celata, JJvigerina pygmcea, and 
Nonionina umbilicatula, with a fair number of Globigerince and a few 
Pulvinulince. 
No. 50. Lat. 59° 54' N., long. 7° 52' W. Depth, 355 fathoms; surface tempera- 
ture, 52°'6 Fahr. (ll 0, 4 C.) ; bottom temperature, 46 0, 2 Fahr. (7°'9 C.). 
Brownish sand, not rich in organisms of any sort; the Foraminifera princi- 
pally belonging to the genera Globigerina, JJvigerina, Truncatidina, and 
Nonionina. 
No. 51. Lat. 60° 6' N., long. 8° 14' W. Depth, 440 fathoms ; surface temperature, 
51°*6 Fahr. (10 o, 9 C.) ; bottom temperature, 42° Fahr. (6° - 5 C.). Near the 
dividing line between the “ warm ” and “ cold ” areas. 
Sand, with a considerable number of Globigerince, some of them of the small 
arctic variety, and Pulvinulince ; but chiefly remarkable as the only locality in 
which the large arenaceous type Botellina has hitherto been found. Other 
sandy forms, such as Haplophragmium latidorsatum and Planispirina celata, 
are common in the dredged material, together with a long list of calcareous 
species. 
No. 57. Lat. 60° 14' N., long. 6° 17' W. Depth, 632 fathoms; surface tempera- 
ture, 52° Fahr. (11° - 1 C.); bottom temperature, 30°'5 Fahr. ( — 0°'8 C.). 
Position between “ Knight- Errant ” Stations 2 and 8. 
Coarse sand, with a characteristic cold-area Rhizopod-fauna. Globigerince 
moderately common, and chiefly of the small arctic variety. Pulvinulina 
Jcarsteni, the specimens very fine, but not abundant ; Rupertia stabilis, 
Truncatulina lobatula, Haplophragmium latidorsatum, and Reophax 
scorpiurus, all present in large numbers. 
No. 67. Lat. 60° 32' N., long. 0° 29' W. Depth, 64 fathoms ; surface temperature, 
5 1°'9 Fahr. (11° C.); bottom temperature, 49 0- l Fahr. (9 0, 5 C.). 
