218 RECENT OPHIURANS. 



412. O. MEGATRETA (H. L. Clark). 



Ophiacanlha megatreta H. L. Clark, 1911. Bull. 75 U. S. N. M., p. 237, f. 113. 



1 PARATYPE. Off southeastern Japan, 943 fms. 



413. 0. PAUCISPINA (LtJTKEN and Mortensen) . 



Ophiacanlha paucispina Lutken and Mortensen, 1899. Mem. M. C. Z., 23, p. 175, pi. 18, f. 1-4. 



1 coTYPE. East of Cocos Island, 1175 fms. 



Species of Ophiotoma not represented in the M. C. Z. 



414. O. ALBERTI (Koehler), 1896. Mem. Soc. zool. France, 9, p. 251. 1909. Princesse-Alice Echi- 



nod., pi. 28, f. 1, 2 (Ophiotrema) . East of the Azores, 2234 fms. 



415. O. ASSIMILIS Koehler, 1904. Siboga-exp. Oph. mer prof., p. 144, pi. 28, f. 1, 2. Dutch East 



Indies: off Ceram, 315 fms.; off Rotti, 510 fms. 



Ophioconis. 



LtJTKEN, 1869. Add. ad hist. Oph., pt. 3, p. 32, 88, 98. 

 Type-species: Pectinura forbesi Heller, 1862. Sitzb. Kongl.-akad. wien, 46, p. 422. Type designated. 



416. O. ANTARCTICA Lyman, 1879. Bull. M. C. Z., 6, p. 44, pi. 14, f. 380-382. 



6 coTYPES. Near Heard Island, 150 fms. Off Marion Island, 50-75 

 fms. 



417. 0. DIASTATA H. L. Clark, 1911. Bull. 75 U. S. N. M., p. 27, f. 3. 



1 PARATYPE. Japan: off Shio Misaki Light, 253 fms. 



418. O. MILIARIA Lyman, 1878. Bull. M. C. Z., 6, p. 221, pi. 3, f. 49-51. 



6 specimens, including holotype. Cuba: off Havana, 243-450 fms. 

 On Saba Bank, 21 fms. Off St. Lucia, 422 fms. Off Carriacou, 163 fms. Off 

 Grenada, 291 fms. 



419. O. MONOLEPIS (Matsumoto). 



Ophiuroconis monoUpis Matsumoto, 1915. Proc. Acad. nat. sci. Phil., 67, p. 85. 



2 cotypes. Japan: Sagami Sea, 85 fms. 



420. O. PAPILLATA H.L.Clark, 1911. Bull. 75 U. S. N. M., p. 28, f. 4. 



5 PARATYPES. Bering Sea, 350 fms. Off Aleutian Islands, 72 fms. 

 Species of Ophioconis not represented in the M. C. Z. 



421. 0. BREVISPINA Ludwig, 1880. Mitth. Zool. stat. Neapel, 2, p. 61, pi. 4, f. 3a, 3b. Naples. 



422. O. CINCTA Brock, 1888. Zeits. f. wiss. zool., 47, p. 480. Koehler, 1905. Siboga-exp. Oph. 



litt., pi. 2, f. 2, 3. Amboina. 



