REPORT ON THE ECHINOIDEA—-MORTENSEN 15 
Station 5487; between Leyte and Mindanao; San Ricardo Point, 
Panaon Island, bearing 8S. 50° E., 11.2 miles distant (lat. 10°02’45’ 
N., long. 125°05’33”" E.); 1,338 meters; bottom temperature 
11.28° C.; green mud; July 31, 1909. One specimen. 
Station 5488; between Leyte and Mindanao; San Ricardo Point, 
Panaon Island, bearing 8. 59° E., 9 miles distant (lat. 10°00’00” N., 
long. 125°06’45”’ E.); 1411 meters; bottom temperature 11.28° C.; 
green mud; July 31, 1909. One young specimen, and fragments of 
a larger one. 
Station 5492; between Leyte and Mindanao; Diuata Point (W.) 
bearing S. 45° W., 15.2 miles distant (9°12’45’" N., long. 125°20’ 
00’ E.); 1,844 meters; bottom temperature 11.28° C.; gray mud; 
August 1, 1909. Three specimens. 
Station 5494; between Leyte and Mindanao; Diuata Point (N.) 
bearing N. 74° W., 4.2 miles distant (lat. 9°06’30’" N., long. 125° 
18’40’’ E.) ; 1,239 meters; bottom temperature 11.83° C.; green mud 
and sand; August 2, 1909. Twelve specimens. 
Station 5513; in the vicinity of northern Mindanao; Camp Over- 
ton Light bearing S. 67° E., 10.3 miles distant (lat. 8°16’45”” N., long. 
124°02’48’” K.); 923 meters; bottom temperature 11.56° C.; gray 
mud and fine sand; August 7, 1909. Two specimens. 
Station 5566; between Jolo and Tawi Tawi; Dammi Island (N.) 
bearing S. 67° W., 6.8 miles distant (lat. 5°52’12’’ N., long. 120° 
31’00’’ EK.) ; 446 meters; bottom temperature 11.28° C.; fine sand and 
shells; September 21, 1909. One specimen. 
Station 5575; north of Tawi Tawi; Mt. Dromedario, Tawi Tawi, 
bearing S. 16° W., 19.2 miles distant (lat. 5°28’30’’ N., long. 120° 
02/27’ E.); 576 meters; bottom temperature 11.28° C.; coral and 
sand; September 23, 1909. Six specimens. 
Station 5585; in the vicinity of Sibuko Bay, Borneo; Sipadan 
Island (M.) bearing S. 89° W., 12 miles distant (lat. 4°07’00” N., 
long. 118°49’54’” E.); 870 meters; bottom temperature 5.06° C.,; 
gray mud; September 28, 1909. One specimen. 
Station 5586; in the vicinity of Sibuko Bay, Borneo; Sipadan 
Island (M.) bearing W. 9.4 miles distant (lat. 4°06’50’’ N., long. 
118°47’20’’ E.); 634 meters; bottom temperature 6.67° C.; gray 
mud; September 28, 1909. Three specimens. 
Station 5587; in the vicinity of Sibuko Bay, Borneo; Sipadan 
Tsland (W.) bearing S. 12° E., 3.8 miles distant (lat. 4°10’35’”’ N., 
long. 118°37’12’" E.); 759 meters; bottom temperature 5.72° C.; 
green mud, sand, and coral; September 28, 1909. One specimen. 
Station 560la; Gulf of Tomini, Celebes; Limbe Island (NE.) 
bearing N. 20.7 miles distant (lat. 1°13’10’” N., long. 125°17’05”" E.) ; 
1,398 meters; sand, globigerinae, and pteropods; November 13, 1909. 
Two specimens. 
