NORTH PACIFIC OPHIURANS IN NATIONAL MUSEUM — CLARK. 71 



bottom temperature 30.7° ?, 78 specimens; station 5006, off Sakhalin, 

 lat. 46° 4' N. ; long. 142° 29' E., 42 to 43 fathoins, green mud, fine gray 

 sand, bottom temperature 36.1°, 7 specimens; station 5007, off 

 Sakhalin, lat. 46° 3' N. ; long. 142° 31' E., 42 fathoms, green mud, fine 

 gray sand, bottom temperature 34.8°, 9 specimens; station 5008, off 

 Saghalin, lat. 46° 7' 50" N. ; long. 142° 37' 20" E., 40 fathoms, green 

 mud, fine gray sand, bottom temperature 33.9, 9 specimens; station 

 5011,off Saghalin, lat. 46° 18' 30" N.;long. 143° 5' 40" E., 42 fathoms, 

 green mud, bottom temperature 33.9°, 1 specimen; station 5020, off 

 Saghalin, lat. 48° 32' 45" N.; long. 145° 7' 30" E., 73 fathoms, 

 green mud, sand, pebbles, bottom temperature 30.9°, 4 specimens; 

 station 5021, Okhotsk Sea, lat. 48° 32' 30" N.; long. 145° 8' 45" E., 

 73 fathoms, green mud, sand, pebbles, bottom temperature 30.9°, 1 

 specimen; station 5022, Okhotsk Sea, lat. 48° 35' 30" N.; long. 145° 

 20' E., 109 fathoms, green mud, coarse black sand, bottom tempera- 

 ture 30.1°, 2 specimens; station 5023, Okhotsk Sea, lat. 48° 43' 30" 

 N. ; long. 145° 03' E., 75 fathoms, sand, pebbles, bottom tempera- 

 ture 30.9°, 3 specimens; station 5024, off Saghalin, lat. 48° 43' 30" 

 N. ; long. 144° 56' 45" E., 52 fathoms, pebbles, bottom temperature 

 31.7°, 2 specimens; lat. 60° 22' N.; long. 168° 45' W.. 9 speci- 

 mens; lat. 62° 15' N.; long. 167° 40' W., 20 fathoms, 2 specimens; 

 lat. 62° 54' N.; long. 166° 38' W., 22 fathoms, 105 specimens; lat. 

 63° 37' N.; long. 165° 19' W., 12 fathoms, 69 specimens; lat. 64° 

 12' N.; long. 162° 52' W., 17 fathoms, 1 specimen; lat. 66° 45' N.; 

 long. 166° 35' W., 10 specimens; Arctic cruise of the Corwin, 35 speci- 

 mens; Ball's Alaska collection, 26 specimens; Arctic Ocean, 210 speci- 

 mens; off Cape Sabine, Alaska, 62 specimens; off Icy Cape, Alaska, 

 36 specimens; near coal station, Unga, Aleutians, 45 specimens; off 

 Point Barrow, Alaska, 15 fathoms, mud, 1 specimen; 10 miles west 

 of Point Franklin, Alaska, 13^ fathoms, 29 specimens; Sitka Harbor, 

 Alaska, 10 to 25 fathoms, 2 very small specimens; Point Belcher, 

 Alaska, 9 fathoms, sand, 74 specimens; mouth of Yukon River, 

 Alaska, 9 specimens; Port Clarence, Alaska, 4 specimens; Point 

 Hope, Alaska, 25 fathoms, 4 specimens; 12 miles east of King's 

 Island, Bering Strait, 9 specimens; Plover Bay, Siberia, 8 to 20 

 fathoms, mud, 90 specimens; Indian Point, Bering Strait, 17 fathoms, 

 5 specimens; East Cape, Siberia, 3 specimens; Cape Etolin, Nuniak 

 Island, Alaska, 2 specimens; Port Levasheft', Alaska, 6 specimens; 

 locality ?, 1 specimen. Bathymetrical range, 8 to 1 09 fathoms. Tem- 

 perature range 46.2° to 30.1°. One thousand and sixty-seven 

 specimens. 



This large series of specimens is of interest not merely because it 

 extends the bathymetric range of the species to over 100 fathoms and 

 the geographic range on the Asiatic coast south to the lower end of 

 Saghalin, but because it shows the growth changes and the great 



