OPHIURANS OF UNITED STATES NATIONAL MUSEUM. 45 



OPHIOPSILA RIISEI LUtkea. 



See for bibliography: 



Verrill (99), p. 23. 

 H. L. Clark (01), p. 246. 

 Verrill (07), p. 328. 

 Kcehlor (07), p. 315. 



Albatross station 2649. Apr. 12, 1886. Lat. 2.3° 34' N.; long. 76° 33' W.; 

 36 fathoms; co. s.; temp. 74.2° F. A single arm. 



Fish Uawk station 7151. Nov. 7, 1901. Deadraan's Bay. Lat. 29° 43' 40" 

 N.; long. 83° 49' 45" W.; 5} fathoms; c; temp. 20.5° C. Two specimens. 



Fwh Ilawk station 7467. Feb. 19, 1903. Grecian Shoals, Florida ; 2f fathoms; 

 barry and s. One specimen. 



Fish IJaiok station 7482. Mar. 7, 1903. Bisca^-ne Bay Key, Florida; If 

 fathoms; bany. One specimen. 



FisJi Hawk station 7484. Mar. 7, 1903. Biscayne Bay Key, Florida; 2 

 fathoms; s. grs. One specimen. 



Fish Uawk station 7493. Mar. 10, 1903. Card Sound, Florida; I3 fathoms; 

 bany. One specimen. 



Key West, Florida. Three specimens. 



Florida. Two dry specimens. 



OPmOPSILA MACULATA (Verrill). 

 Amphipsila maculata Verrill (99), p. 55. 

 Aliatross station 2138. Feb. 29, 1884. Lat. 17° 44' 05" N.; long. 75° 39' W.; 

 23 fathoms; co. brk. sh. One specimen. 



Albatross station 2167. May 1, 1884. Lat. 23° 10' 40" N.; long. 82° 20' 30" 

 W.; 201 fathoms; co. One -specimen. 



The two samples are not in good condition. 



AMPHTORA FLEXUOSA Ljungman 

 PLite 4, figs. 1-2. 



Amphiura flexuosa Ljungman (66), p. 319. 

 Amphiura Jlexuom Ljungman (71), p. 643. 

 Amphiura Jlexuosa Lyman (75), p. 17. 

 Amphiura flexuosa Lyman (82'), pp. 124 and 144. 

 Amphiura fleruosa H. L. Clark (01), p. 247. 



A. Jlexuosa was described by Ljungman from a single specimen whicli came 

 from the Brazihan coast, and wliich is very likely httoral. Tlic characters of this 

 species were stated again by the same writer in the table of Amphiuridse pub- 

 lished by him in 1871, where lie classified it among the species with bare under face 

 of disk. Not\vithstanding certain characters which have been plainly, though 

 very briefly, indicated by Ljungman, the species does not seem to have been easily 

 recognized after this MTitcr. Lyman, who had first referred to that species in 1875, 

 an Ampli'mra found in the waters of Barbados at 100 fathoms depth, separates it 

 under the name of A. palmen in the synoptical table of the species of Amphiurse 

 of the Challenger. According to Lyman, this latter species is characterized 

 chiefly by the presence of plates, Uttle apparent, on the under face of the disk, 

 and by the shape of the second and third under spines having each a hook-shaped 



