296 RECENT OPHIURANS. 



0. annulosa is abundant. They are readily found by breaking up the masses 

 of closely branched corals growing on the reef-flat in shallow water. 



1019. O. FLACCIDA Lyman, 1874. Bull. M. C. Z., 3, p. 226, pi. 6, f. 14, 15. 



12 specimens, including holotype and 10 paratypes. Philippine Is- 

 lands. Torres Strait: Murray Islands, Mer. 



1020. 0. JANUALIS Lyman, 1871. Illus. cat. M. C. Z., no. 6, p. 14, pi. 1, f. 13, 14. 



25 specimens, including holotype.^ Philippine Islands: Cebu Reefs. 

 Torres Strait: Murray Islands, Mer. 



1021. O. LUTICENI Pfeffer, 1900. Abh. Senckenb. nat. ges., 25, p. 83. Plate 16, f. 3, 4. 



1 specimen. Japan: Riu Kiu Islands, Okinawa. 



1022. O. MIXTA LtJTKEN, 1869. Add. ad. hist. Oph., pt. 3, p. 42. Koehler, 1905. Siboga-exp. 



lltt., pi. 6, f. 15; pi. 15, f. 1. 



74 specimens. Japan: Bay of Yeddo. Torres Strait: Murray Islands, 

 Mer. Fiji Islands. Samoa. 



1023. O. VENOSA Peters, 1851. Monats. K.-Preus. akad. wiss. Berlin, p. 464. Koehler, 1904. 



Mem. Soc. zool. France, 17, p. 73, f. 28, 29. 



13 specimens. Zanzibar. 



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



1024. O. ELEGANS Brock, 1888. Zeit. f. wiss. zool., 47, p. 500. Amboina. 



1025. O. ORNATA Koehler, 1905. Siboga-exp. Oph. litt., p. 71, pi. 6, f. 13, 14. Dutch East Indies: 



Borneo Bank, 19 fms. 



1026. O. PUSILLA Brock, 1888. Zeit. f. wiss. zool, 47, p. 499. Koehler, 1905. Siboga-exp. Oph. 



litt., pi. 6, f. 9, 10; pi. 13, f. 3. Amboina. 



1027. O. VARIABILIS Koehler, 1905. Siboga-exp. Oph. litt., p. 69, pi. 6, f. 16, pi. 16, f. 3, 4. 



Dutch East Indies: four widely separated stations, 6-18 fms. 



Ophiarthrum. 



Peters, 1851. Monatsb. K.-Preus. akad. wiss. Berlin, p. 463. 

 Type-species: Ophiarthrum elegans Peters, 1851. op. cit., p. 464. Monotypic when established. 



1028. 0. ELEGANS Peters, 1851. Monatsb. K.-Preus. akad. wiss. Berhn, p. 464. Koehler, 1898. 

 Bull. sci. 31, pi. 3, f . 25, 26. 



54 specimens. Zanzibar. PhiUppine Islands: Surigoo Strait. New 



'The holotype is a very young specimen of this fine species and is labeled: "Mexilones, Bohvia. 

 Capt. Putnam." There is no doubt- that this locaUty is an error. Capt. Putnam brought many speci- 

 mens to the Museum from Hong Kong and this specimen may be from there. 



