318 BULLETIN 82, UNITED STATES NATIONAL MUSEUIM VOLDME 1 



tanneri appears to be distinct it may prove to "be the young of perplexa or of strra- 

 tissima, or of both forms." These two last I now find to be synonymous. 



FLOROMETKA ASPERRIMA (A. H. Clark)* 



[See vol. 1, pt. 1, figs. 66 (not 67 as given in the legend), (p. 93), 225-226 (p. 243), 297 (p. 263), 391 

 (p. 307), 508 (p. 371); pt. 2, figs. 87, 98 (p. 62), 294 (p. 221), 333 (p. 227), 576-577 (p. 298), 769, 

 771 (p. 362)] 



Antedon asperrima A. H. Clark, Proc. U.S. Nat. Mus., vol. 33, 1907, p. 73 (description; Albatross 

 Sta. 3332) ; Explorations des mers de I'U.R.S.S., vol. 23, 1937, p. 217 (in Russian), p. 223 (English 

 translation) (referred to Florometra). 



Antedon rathbuni A. H. Clark, Proc. U.S. Nat. Mus., vol. 33, 1907, p. 76 (description; Albatross 

 Sta. 5033); Unstalked crinoids of the Siboga-Exped., 1918, p. 243 {^Florometra laodtce).— 

 SowBRBT, The naturalist in Manchuria, Tientsin, vol. 5, 1930, p. 79. — A. H. Clark, Explorations 

 des mers de I'U.R.S.S., vol. 23, 1937, p. 217 (in Russian), p. 223 (English translation) (synonym 

 or perhaps distinct variety of Florometra asperrima). 



Antedon inexpeclata A. H. Clark, Proc. U.S. Nat. Mus., vol. 33, 1907, p. 75 (description; Albatross 

 Sta. 2853); Explorations des mers de I'U.R.S.S., vol. 23, 1937, p. 217 (in Russian), p. 223 (English 

 translation) (synonym of Florometra asperrima). 



Heliometra axperrima A. H. Clark, Smithsonian Misc. Coll., vol. 50, pt. 3, 1907, p. 351 (listed). 



Heliometra incxpectala A. H. Clark, Smithsonian Misc. Coll., vol. 50, pt. 3, 1907, p. 351 (listed). 



Heliometra rathbuni A. H. Clark, Smithsonian Misc. Coll., vol. 50, pt. 3, 1907, p. 351 (listed). 



Heliometra glacialis biarticulata A. H. Clark, Proc. Biol. Soc. Washington, vol. 21, 1908, p. 231 

 (description; Tsugaru Strait?); Explorations des mers de I'U.R.S.S., vol. 23, 1937, p. 217 (in 

 Russian), p. 223 (English translation) (synonym of Florometra asperrima). 



Heliometra glacialis var. biarticulata A. H. Clark, Vid. Medd. Nat. Foren. K0benhavn, 1909, p. 189 

 (?Shanghai; ?Tsugaru Strait; description); Journ. Washington Acad. Sei., vol. 5, No. 6, 1915, 

 p. 213 (verj' closely related to H. glacialis), p. 215 (Japanese arctic fauna; range and its 

 significance). 



Heliometra biarticulata A. IT. Clark, Proc. Biol. Soc. Washington, vol. 26, 1913, p. 179 (range in 

 eastern Asia); Die Crinolden dor Antarktis, 1915, p. 125 (comparison with related species), 

 p. 127 (?Tsugaru Strait; ?Shanghai). 



Florometra asperrima A. 11. Clark, Die Crinolden der Antarktis, 1915, p. 141 (Albatross Sta. 3332). — 

 F. W. Clarke and Wheeler, U.S. Geol. Surv. Prof. Paper 102, 1917, p. 20 (Albatross Sta. 3070; 

 inorganic constituents of the skeleton).- — A. H. Clark, Unstalked crinoids of the Siboga-Exped., 

 I9I8, p. 241 (in key; range), p. 243 (references), p. 244 (discussion). — F. W. Clarke and 

 Wheeler, U.S. Geol. Surv. Prof. Paper 124, 1922, p. 17 (Albatross Sta. 3070; inorganic con- 

 stituents of the skeleton). — A. 11. Clark, Proc. U.S. Nat. Mus., vol. 83, 1936, p. 250 (with 

 Retiometra) ; Explorations des mers de I'U.R.S.S., vol. 23, 1937, pp. 220, 221 (localities new and 

 old; range), pp. 221, 222, pp. 22.3, 227, 228 (references), pp. 229, 230 (English translation) — 

 Vinogradov, Mem. Sears Found. Mar. Res., vol. 2, 1953, p. 256 (skeletal composition).— 

 Baranova, Invest. Far East Seas U.S.S.R., No. 4, 1957, p. 152 (occurrence in Bering Sea; dis- 

 tribution), p. 248. 



Florometra inexpectata A. H. Clark, Die Crinolden der Antarktis, 1915, p. 141 (Albatross Sta. 2853). 



Florometra rathbuni A. H. Clark, Journ. Washington Acad. Sci., vol. 5, No. 6, 1915, p. 215 (antarctic 

 type; range and its significance); Die Crinolden der Antarktis, 1915, p. 141 (Albatross Sta. 5032). 



Heliometra eschrichtii var. biarticulata von Hofsten, Kungl. Svenska Vet.-Akad. Handl., vol. 54, 

 No. 2, 1915, p. 12, footnote 2. 



Florometra asperrima var. rathbuni A. H. Clark, Explorations des mers de I'U R.S.S., vol. 23, 1937, 

 p. 217 (in Russian), p. 223 (English translation). 



Diagnostic features.— So far as I can see the only character that separates this 

 species from F. serratissima is the position of the third syzygy, which occurs between 

 brachials 14-|-15. 



*See also Addenda (p. 836) under 1962. 



