7QS BULLETIN 82, UNITED STATES NATIONAL MUSEUM VOLUME 1 



Mem. Mus. Comp. Zool., vol. 17, No. 2, 1892, p. 39.— Muuuat, Geogr. Journ., vol. 3, No. 1, 

 January 1894, p. 22, footnote. — McMuriiich, Text-book of invertebrate morphology, 1894, 

 pp. 543 and following. — B.^ther, Proc. Zool. Soc. London, 1895, pp. 995, 996; Natural science, 

 vol. 6, No. 40, June 1895, p. 419; Geol. Mag., new ser., vol. 6, 1899, pp. 37, 43; Wachsmuth 

 and Springer's Monograph on crinoids, 1899, pp. 37, 43. — Jaekel, Ncues Jahrb. Min., 1899, 

 vol. 1, p. 379. — Bather, in Lankester, A treatise on zoology, pt. 3, Ecliinoderma, 1900, pp. 125, 

 135, 196.— Jaekel, Verh. internat. zool. Congr. Berlin, 1901, 1902, pp. 1081, 1082.— Delaqb 

 and ITehouard, Traitd de zoologie concrete, vol. 3, 1903, p. 395. — Spuinger, Journ. Geol., vol. 

 14, No. 6, 1904, pp. 474, 497.— Minckert, Arch. Naturg., Jahrg. 71, vol. 1, Heft 1, 1905, p. 

 166. — Hamann, Bronn's Klasseu und Ordnungen des Tier-Reichs, vol. 2, Abt. 3, 1907, p. 1575. — 

 A. II. Clark, Smithsoni.an Misc. Coll., vol. 50, pt. 3, 1907, p. 343; Proc. Biol. Soc. Washington, 

 vol. 21, 1908, p. 135 (arm structure; relation to Decametrocrinus and Penlametrocrinus) , p. 136 

 (referred to the Pentametrocrinidae) ; Proc. U.S. Nat. Mus., vol. 34, 1908, p. 210 (referred to 

 the Thaumatocrinidae), p. 269 (relationships), p. 274 (identity of proximal arm structure wnth 

 that of Penlametrocrinus and Decametrocrinus); vol. 35, 1908, pp. 113, 118, 128; fig. 12, p. 118 

 (arm structure); vol. 36, 1909, pp. 362-365 (compared with Comatilia, and with the young of 

 Comatiiia; probably a young Penlametrocrinus). — Oswald, Science Progress, No. 13, July 1909, 

 p. 133. — Kirk, Proc. U.S. Nat. Mus., vol. 41, 1911, pp. 65, 66. — A. H. Clark, Journ. Washington 

 Acad. Sci., vol. 2, No. 13, 1912, pp. 312-314 (a young stage of Decametrocrinus; Thaumatocrinua 

 renovalus = Promachocrinus abyssorum); Crinoids of the Indian Ocean, 1912, p. 250 (included in 

 Penlametrocrinus) ; Bull. Inst. Oc&inogr., Monaco, No. 294, 1914, p. 6 (10 rays the result of the 

 coldness of the habitat) ; Internat. Rev. gcsamt. Hydrobiol. und Ilydrogr., vol. 6, 1914, pp. 6 

 and following (occurs in both Atlantic and ludo-Pacific; range); Die Crinoiden der Antarktis 

 1915, p. 149 (synonymy; diagnosis; range), p. 182 (both Atlantic and Indo-Pacific; range); 

 Smithsonian Misc. Coll., vol. 65, No. 10, 1915, pp. 13 and following (phylogenetic study); Amer. 

 Nat., vol. 49, 1915, p. 525 (bathymetric range), p. 526 (asymmetrical character of this genus, 

 which is the most specialized in the Pentametrocrinidae), p. 527 (types of asymmetry), p. 542 

 (more than 5 rays); Unstalked crinoids of the Siboga-'Exped., 1918, p. 259 (in key; key to the 

 included species). — Bather, Ann. Mag. Nat. Hist., ser. 9, vol. 1, pt. 4, 1918, pp. 298, 299. — 

 A. H. Clark, Journ. Washington Acad. Sci., vol. 9, No. 6, 1919, p. 136 (disk compared with that 

 of Holopus); Smithsonian Misc. Coll., vol. 72, No. 7, 1921, p. 14 (asymmetry); The Danish 

 Ingolf-}ixped., vol. 4, No. 5, Crinoidea, 1923, pp. 13, 43 (range), p. 53 (in key). — Gislen, Zool. 

 Bidrag. Uppsala, vol. 9, 1924, pp. 26, 28, 30, 31, 39, 91, 232 (articulations).— Mortensen, Hand- 

 book of the echinoderms of the British Isles, 1927, p. 23 (in key). — Gisl£n, Vid. Medd. Nat. 

 Foren. K0benhavn, vol. 83, 1927, p. 6; Kungl. Fysiogr. SiiUsk. Handl., new ser., vol. 45, No. 11, 

 1934, p. 17.— A. H. Clark, John Murray Exped. 1933-34, Sci. Reports, vol. 4, No. 4, 1937, p. 

 98. — GislAn, Rep. Swedish Deep Sea Exped., vol. 2, Zool., No. 4, 1951, pp. 55, 56 (depth range). — 

 Htman, The invertebrates, vol. 4, Echinodermata, 1955, p. 95. 



Taumathocrinus Perrier, Trait6 de zoologie, 1893, pp. 794, 795, 858. 



Decametrocrinus Minckert, Zool. Anz., vol. 28, No. 13, 1905, p. 494. — A. H. Clark, Proc. U.S. Nat. 

 Mus., vol. 33, 1907, p. 127; Smithsonian Misc. Coll., vol. 50, pt. 3, 1907, p. 344 (included with 

 Promachocrinus in family Decametrocrinidae; most nearly related to Eudiocrinus from which it is 

 a meristic variation; new family Eudiocrinidae proposed to include Eudiocrinus and Decametro- 

 crinus); Proc. Biol. Soc. Washington, vol. 21, 1908, p. 134 (arm structure; relation to Penlametro- 

 crinus), p. 136 (referred to Pentametrocrinidae), p. 149 (arm structure) ; Proc. U.S. Nat. Mus., vol. 

 34, 1908, p. 210 (referred to Eudiocrinidae), p. 212 (occurs in Japan and in the Crozet and Hawai- 

 ian Is.), pp. 215, 216, p. 267 (relation to Penlametrocrinus) , p. 274 (same), p. 277 (referred to the 

 Pentametrocrinidae), p. 516 (type not designated by author, but here designated as Promacho- 

 crinus abyssorum P. H. Carpenter, 1888); vol. 35, 1908, pp. 117, 118, 126-128 (arm striicture and 

 probable origin); fig. 13, p. 118; vol. 36, 1009, p. 363 (same arm structure as Thaumatocrimis;& 

 meristic variation from Penlametrocrimis) , p. 364 (derived from Penlametrocrinus without torsion 

 on account of the 5 interradials). — Vaney, Bull. Mus. Hist. Nat., Paris, No. 3, 1910, p. 160 

 (history; discussion). — A. H. Clark, in Michaelsen and Hartmeyer, Die Fauna Sudwest-Aus- 

 traliens, vol. 3, Lief. 13, Crinoidea, 1911, p. 460 (normally 10-rayed); Journ. Washington Acad. 

 Sci., vol. 2, No. 13, 1912, p. 312 (.adult of Thaumatocrinus type; T. renovatus is the young of 

 Decametrocrinus abyssorum ; significance of plates in former; method of adding new arms) ; Crinoids 



