NORTH PACIFIC OPHIURANS IN NATIONAL MUSEUM CLARK. 133 



1 specimen; Round Island, Unga, 2 specimens; Sitka, 1 specimen; 

 Alaska, 9 specimens; Straits of Fuca, 2 specimens; Puget Sound, 1 

 specimen; Monterey, California, 4 speci- 

 mens; west coast of America, 1 specimen. 

 Bathymetrical range, 8 to 238 fathoms. 

 Temperature range, 51.7 to 40.7. Two 

 hundred and sixty-seven specimens. 



The Albatross collections leave no room 

 for doubt that the intergradation between 

 caryi, kennerlyi, and aculeata is complete, 

 but it is convenient to retain the name 

 Jcennerlyi for the ordinary American Pacific 

 coast form which has only radial plates 



FIG. 49. OPIUOPHOLIS ACULEATA 



visible, or none at all, and no spines on the VA R. KENNERLYI. xs.on. FROM 

 disk. The largest specimen in the collec- ABOVE - 

 tion is from Kadiak and measures 22 mm. across the disk on which 

 only three of the radii have bare plates. 



OPHIOCHITON FASTIGATUS. 



Ophiochiton fastigalus LYMAN, Bull. Mus. Comp. Zool., vol. 5, 1878, p. 132. 



Localities. Albatross station 3695, off Tsuragi Saki, Honshu Island, 

 Japan, 110 to 259 fathoms, green mud, fine sand, 8 specimens; station 

 3697, off Manazuru Zaki, Honshu Island, Japan, 120 to 265 fathoms, 

 gray mud, volcanic sand, 2 specimens; station 3704, off Seno Umi, 

 Honshu Island, Japan, 94 to 150 fathoms, fine volcanic sand, 4 speci- 

 mens; station 4907, Eastern Sea, lat. 31 39' 30" N. ; long. 129 24' E., 

 406 fathoms, gray globigerina ooze, bottom temperature 42.6, 1 

 specimen; station 5056 Suruga Gulf, Japan, lat. 34 57' 35" N.; long. 

 138 43' 35" E., 258 fathoms, green mud, broken shells, foraminifera, 

 bottom temperature 46, 1 specimen; station 5057, Suruga Gulf, 

 Japan, lat. 34 58' 40" N.; long. 138 34' E., 270 fathoms, gray mud, 

 bottom temperature 44.8, 1 specimen; station 5073, Suruga Gulf, 

 Japan, lat. 34 46' N.; long. 138 21' 50" E., 148 fathoms, gray mud, 

 bottom temperature 54.6, 3 specimens; station 5088, Sagami Bay, 

 lat. 35 11' 25" N.; long. 139 28' 20" E., 369 to 405 fathoms, green 

 mud, bottom temperature 41.8, 2 specimens; station 5091, Uraga 

 Strait, lat. 35 4' 10" N. ; long. 139 38' 12" E., 197 fathoms, green 

 mud, coarse black sand, pebbles, bottom temperature 47.6, 1 speci- 

 men; station 5092, Uraga Strait, lat. -35 4' 50" N. ; long. 139 38' 18" 

 E., 70 fathoms, coarse black sand, bottom temperature 56.3, 3 

 specimens; station 5094, Uraga Strait, lat, 35 4' 42" NT.; long. 

 139 38' 20" E., 88 fathoms, black sand, broken shells, bottom tem- 

 perature 54.8, 4 specimens. Bathymetrical range, 70 to 40(> fathoms. 

 Temperature range, 56.3 to 41.8. Thirty specimens. 



