286 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. 



32° 36' 30" N.; long. 132° 23' 20" E., 405 to 578 fathoms, green- 

 brown mud, iine gray sand, foraminifera, bottom temperature 40.1° to 

 38.7°, 1 specimen; station 4960, off southern Japan, lat. 32° 34' N.; 

 long. 132° 21' 45" E., 578 fathoms, green-brown mud, fine gray sand, 

 foraminifera, bottom temperature 38.7°, 2 specimens; station 4969, 

 off eastern Japan, lat. 33° 23' 40" N. ; long. 135° 33' E., 587 fathoms, 

 brown mud, sand, stones, bottom temperature 38.9°, 13 specimens; 

 station 4970, off eastern Japan, lat. 33° 23' 30" N. ; long. 135° 36' 30" 

 E., 500 to 649 fathoms, brown mud, black sand, shells, bottom tem- 

 perature 39.1°, 1 specimen; station 4971, off' eastern Japan, lat. 

 33° 23' 30" N.; long. 135° 34' E., 649 fathoms, brown-green mud, 

 foraminifera, bottom temperature 38.1°, 10 specimens; station 4972, 

 off eastern Japan, lat. 33° 25' 45" N.; long. 135° 33' E., 440 fathoms, 

 brown-green mud, foraminifera, bottom temperature 39.8°, 3 speci- 

 mens; station 4976, off eastern Japan, lat. 33° 22' 50" N.; long. 135° 

 38' 30' E., 545 fathoms, brown mud, small stones, bottom tempera- 

 ture 38.7°, 2 specimens; station 4977, off eastern Japan, lat. 33° 23' 

 N. ; long. 135° 37' 40" E., 544 fathoms, brown mud, fine sand, bottom 

 temperature 38.9°, 4 specimens; station 4980, off eastern Japan, lat. 

 34° 9' N.; long. 137° 55' E., 507 fathoms, brown mud, fme sand, 

 foramhiifera, bottom temperature 39°, 4 specimens; station 5015, 

 Okhotsk Sea, lat. 46° 44' N. ; long. 144° 2' E., 510 fathoms, green mud, 

 bottom temperature 35.9°, 2 specimens; station 5018, Okhotsk Sea, 

 lat. 46" 41' 30" N.; long. 143° 57' 40" E., 100 fathoms, brown mud, 

 black sand, pebbles, bottom temperature 30.4°, 1 specimen; station 

 5029, Okhotsk Sea, lat. 48° 22' 30" N.; long. 145° 43' 30" E., 440 

 fathoms, black sand, gravel, bottom temperature 35.3°, 10 specimens; 

 station 5048, off Kinka San Light, Japan, lat. 38° 9' 24" N.; long. 

 141° 52' 30" E., 129 fathoms, dark gray sand, broken shells, bottom 

 temperature 40.7°, 1 specimen; station 5079, off Omai Saki, Japan, 

 lat.- 34° 15' N.: long. 138° E., 475 to 505 fathoms, pebbles, bottom 

 temperature 39.1°, 1 specimen; station 5080, off Omai Saki, Japan, 

 lat. 34° 10' 30" N.; long. 138° 40' E., 505 fathoms, fine gray sand, 

 globigerina, bottom temperature 38.7°, 5 specimens; station 5082, off 

 Omai Saki, Japan, lat. 34° 5' N. ; long. 137° 59' E., 662 fathoms, green 

 mud, fine sand, globigerina, bottom temperature 37.7°, 2 specimens; 

 station 5083, off Omai Saki, Japan, lat. 34° 4' 20" N.; long. 137° 57' 

 30" E., 624 fathoms, fine gray sand, globigerina, bottom temperature 

 38.1°, 1 specimen; station 5084, off Omai Saki, Japan, lat. 34° N. ; 

 long. 137° 49' 40" E., 918 fathoms, green mud, fine sand, globigerina, 

 bottom temperature 36.8°, 2 specimens. Bathymetrical range, 83 

 to 918 fathoms. Temperature range, 42.8° to 30.4°. Four hundred 

 and ninety-eight specimens. 



This fine series of specimens, ranging in size from young ones only 

 5 mm. across the disk up to huge adults 45 mm. in disk diameter, has 



