RECENT OPHIURANS. 199 



236. 0. GRATIOSA Koehler, 1897. Ann. sci. nat. Zool., ser. 8, i, p. 346, pi. 8, f. 60, 61. 



2 coTYPES. Laccadive Sea, 444 fms. 



237. O. HETEROTYLA H. L. Cl.'irk, 1909. Mem. Austr. mus., 4, p. 542, pi. 52, f. 4-6. 



9 PAEATYPES. New South Wales: off Wata Mooli, 54-59 fms. 



238. 0. HIRSUTA Lyman, 1875. lUus. cat. M. C. Z., no. 8, pt. 2, p. 12, pi. 2, f. 21-23. 



25 specimens, including holotype and 1 paratypb. Florida: off Som- 

 brero Key, 240 fms. Cuba: off Havana, 127-175 fms. Jamaica: off Port 

 Royal, 100 fms. Off Montserrat, 88 fms. Off Guadeloupe, 150 fms. Off 

 Dominica, 441 fms. Off Martinique, 317 fms. Off St. Lucia, 226 fms. Off 

 Milligans Key (near St. Vincent), 124 fms. Off Grenada, 461 fms. Off Bar- 

 bados, 82-200 fms. 



239. 0. IMAGO Lyman, 1878. Bull. M. C. Z., 6, p. 139. 1882. Challenger Oph., pi. 25, f. 4-6. 



2 COTYPES. Off Heard Island, 150 fms. 



240. 0. INCONSPICUA Lutken and Mortensen, 1899. Mem. M. C. Z., 23, p. 168, pi. 15, f. 7-11. 



2 COTYPES. Gulf of Panama, 1020 fms. 



241. 0. INDICA Ljungman, 1867. Ofv. Kongl. vet.-akad. Forh., 23, p. 326. Koehler, 1898. Bull. 



sci. 31, pi. 5, f. 44-^6 (as 0. decora). 



1 specimen. Dutch East Indies: Banda. 



242. 0. INUTILIS Koehler, 1904. Siboga-exp. Oph. mer prof., p. Ill, pi. 21, f. 6-8. 



1 specimen. Japan: Uraga Channel, 197 fms. 



243. O. LAMBDA H.L.Clark, 1911. Bull. 75 U. S. N. M., p. 231, f. 108. 



1 PARATYPE. Japan: Bunco Channel, 437 fms. 



244. 0. LASIA, sp. nov. (XAo-ios, hairy). Plate 1, f. 5. 



Disk, 9 mm. in diameter; arms, 27 mm. long. Disk covered, closely but 

 not densely, with slender spinules, .6-.8 mm. long (hence the name), terminat- 

 ing in 2, or sometimes 3, long teeth; when there are 2 teeth, the spinules are 

 distinctly flattened at tip. Radial shields wholly concealed. Upper arm- 

 plates somewhat wider than long, triangular, with broadly curved distal margin, 

 barely in contact at base of arm. Interbrachial areas below, covered like the 

 disk with small, thin scales, bearing long, slender spinules. Genital shts large, 

 extending nearly to disk-margin. Oral shields broadly triangular, with rounded 

 angles, rather wider than long; distal margin more or less protuberant. Adoral 

 plates slender, 3 or 4 times as long as wide, meeting within; an ell at the distal 



