38 BULLETIN 84, UNITED STATES NATIONAL MUSEUM. 



Family AMPHIURID.E. 



OPHIOPHOLIS ACtTLEATA (Linn«BU3). 



See for bibliography: 



Koehler (09), p. 167. 



Grieg (10), p. 4. 



H. L. Clark (11), p. 128. 



Siissbach i\nd Breckner (11), p. 249. 



^Ztoross station 2027. May 25, 1883. Lat. 39° 58' 25" N.; long. 70° 37' W.; 

 198 fathoms; bu. m. and s.; temp. 43° F. Three specimens. 



Albatross station 2055. Aug. 30, 1883. Lat. 42° 32' N.; long. 68° 17' W.; 

 99.5 fathoms; bu. m., s., and crs. g. One small specimen. 



Albatross station 2063. Aug. 31, 1883. Lat. 42° 23' N.; long. 66° 23' W.; 

 141 fathoms; s. and crs. g.; temp. 46° F. Ten specimens. 



Albatross station 2067. Sept. 1, 1883. Lat. 42° 15' 25" N.; long. 65° 48' 

 40" W.; 122 fathoms; s. and g.; temp. 46° F. Nine specimens. 



Albatross station 2422. June 3, 1885. Lat. 37° 08' 30" N.; long. 74° 33' 

 30" W.; 85 fathoms; crs. gy. s. bk. sp. brk. sh. Several specimens. 



Fish Hawk station 1503. July 22, 1890. Six miles south of Saybrook Light, 

 Connecticut; 16.66 fathoms; m. sh.; temp. 67° F. Three specimens. 



Speedwell station 234. Sept. 24, 1878. Off Gloucester, Massachusetts; 43 

 fathoms; sft. br. m. Two little specimens. 



Grampus station 646. Aug. 2, 1894. Lat. 50° 07' 00" N.; long. 64° 03' 

 30" W. Four specimens. 



Grampus station 5015. Numerous specimens. 



Davis Strait, 1879. N. P. Scudder (No. 90). Eighteen specimens. 



East coast of North America. Tliree specimens. 



OPmOSTIGMA ISACANTHUM (Say). 



See for bibliography: 

 Koehler (13), p. 363. 



Key West. Eight specimens. 



Key Largo. Nine specimens. 



No Name Key. One isolated disk. 



Banks near Indian Key. One isolated disk. 



Fish Hawl station 7293. Feb. 24, 1902. Lat. 24° 42' 30" N.; long. 81° 55' 

 52" W.; 7i fathoms; co.; temp. 20° C. One specimen. 



Fish HawTc station 7419. Jan. 22, 1903. Five-eighths mile N. ^ E. of Hog 

 Key; 7 feet; rky. One specimen. 



In most specimens, the diameter of the disk varies between 3 and 5 mm. 



I made an elaborate study of 0. isacanthum in the above-mentioned memoir, 

 to which I would respectfully refer the reader. 



