A MONOGRAPH OF THE EXISTING CRINOIDS 63 



Antedon bidens BELL, Rep. Zool. Coll. II. M. S. Alert, 1884, p. 155 (specific formula), p. 158 (descrip- 

 tion; Torres Straits), pi. 11, figs. A, a-c; Ann. Mag. Nat. Hist., ser. 6, vol. 2, 1888, p. 404 (com- 

 parison with A. [Compsometra] incommoda). P. H. CARPENTER, Challenger Reports, Zoology, 

 vol. 26, pt. 60, 1888, pp. 54, 206, 366, 378 (discussion; Torres Straits). DODERLEIN, Denkschr. 

 med.-nat. Ges. Jena, vol. 8, vol. 5, 1898, p. 476 (Thursday Island; notes), pi. 36, figs. 3-3d. 

 HAMANN, Bronns Klassen und Ordnungen des Tier-Reichs, vol. 2, Abt. 3, 1907, p. 1580 (listed). 

 A. H. CLARK, Bull. Mus. Hist., Paris, 1911, No. 4, p. 255 (synonym of adeonae); Mem. Aus- 

 tralian Mus., vol. 4, 1911, pp. 714, 716, 720 (synonym of adeonae); Crinoids of the Indian 

 Ocean, 1912, pp. 31, 34, 39 (same) ; Smithsonian Misc. Coll., vol. 61, No. 15, 1913, p. 80 (same). 

 H. L. CLARK, The echinoderm fauna of Torres Strait, 1921, pp. 6, 7 (identity). 



Himerometra bidens A. H. CLARK, Smithsonian Misc. Coll., vol. 50, pt. 3, 1907, p. 356 (listed). 



Oligometra adeonae A. H. CLARK, Proc. Biol. Soc. Washington, vol. 21, 1908, p. 126 (listed); vol. 22, 

 1909, p. 7 (listed), p. 42 (compared with 0. [Decametra] studeri). H. L. CLARK, Mem. Aus- 

 tralian Mus., vol. 4, part 11, 1909, p. 523 (compared with 0. [Avstrometra] thetidis). A. H. 

 CLARK, Proc. U. S. Nat. Mus., vol. 41, 1911, p. 172 (cirri compared with those of Comaster 

 taviana); Bull. Mus. Hist. Nat., Paris, 1911, No. 4, p. 244 (=Comatula adeonae Lamarck), 

 p. 255 (Australia; description of type; includes Antedon bidens Bell); Die Fauna Siidwest-Aus- 

 traliens, vol. 3, Lief. 13, 1911, p. 436 (collected at Dundas Strait by the Alert), p. 441 (Aus- 

 tralian tropical species occurring to Baudin Island and Port Curtis), p. 443 (range on east coast), 

 p. 444 (range on west coast), p. 446 (summary of west Australian records); Mem. Australian 

 Mus., vol. 4, 1911, p. 717 (known to P. H. Carpenter from Australia), p. 722 (occurs south to 

 Port Curtis), p. 723 (northwest Australia; Dundas Strait; Baudin Island), p. 725 (related to 

 0. [Auslrometra] thetidis), p. 734 (in key), p. 776 (synonymy; characters; Australian records; 

 description of types, and of types of bidens); Proc. Biol. Soc. Washington, vol. 25, 1912, p. 23 

 (cirrals compared with those of Comantheria weberi) ; Rec. Indian Mus., vol. 7, pt. 3, No. 26, 

 1912, p. 267 (a species related to this and to 0. [Austromelra] thetidis discovered in the Andaman 

 Islands), p. 269 (cirri compared with those of 0. marginata); Ann. Mag. Nat. Hist., ser. 8, vol. 

 10, 1912, pp. 40, 41 (compared with O. marginata); Crinoids of the Indian Ocean, 1912, pp. 30, 

 31, 34, 39 (identity of previous records), p. 175 (synonymy; summary of previous records; 

 remarks on the type specimens of adeonae and bidens). REICHENSPERGER, Abh. Senck. naturf. 

 Ges., vol. 35, No. 1, 1913, p. 82 (Aru Islands), p. 105 (localities in detail; notes). GISLEN, 

 Kungl. Svenska Vet. HandL, vol. 59, No. 4, 1919, p. 3 (listed), p. 5 (stations 4, 10, 13), p. 28 

 (detailed description of the specimens), pi. 1, fig. 7. 



Oligometra bidens A. H. CLARK, Proc. Biol. Soc. Washington, vol. 21, 1908, p. 126 (listed); vol. 22, 

 1909, p. 7 (listed), p. 42 (compared with O. [Decametra] studeri); Zool. Anz., vol. 34, No. 11/12, 

 1909, p. 368 (northwest Australia). H. L. CLARK, Mem. Australian Mus., vol. 4, pt. 11, 1909, 

 p. 523 (comparison with 0. [Auslrometra] thetidis) . 



Oligometrides adeonae A. H. CLARK, Smithsonian Misc. Coll., vol. 61, No. 15, 1913, p. 37 (published 

 references to specimens in the B.M.; localities; characters) ; Internat. Rev. gesamt. Hydrobiol. 

 und Hydrogr., 1915, p. 225 and following (detailed account of the distribution in Australia); 

 TJnstalked crinoids of the Si&oga-Exped., 1918, p. 126 (synonymy; detailed description; station 

 273), fig. 6, p. 126 (cirrus), p. 275 (listed), pi. 28, figs. 107-109. H. L. CLARK, The echinoderm 

 fauna of Torres Strait, 1921, pp. 6, 7 (history), p. 24 (range), p. 192 and following (range in 

 Australia). GISLEN, Zool. Bidrag Uppsala, vol. 9, 1924, p. 51 (obliquity of the brachials), 

 p. 79 (syzygies), p. 275, fig. 75, p. 81 (syzygial face), fig. 102, p. 87 (synarthrial face), figs. 162- 

 164, p. 98 (pinnule articulations). A. H. CLARK, Temminckia, vol. 1, 1936, p. 308. H. L. 

 CLARK, Mem. Mus. Comp. Zool., vol. 55, 1938, p. 40 (False Cape Bossut; Broome; notes); 

 Echinoderm funa of Australia, 1946, p. 50 (Australian localities; color). 



Oligemelrides adeonae GISLEN, Kungl. Svenska Vet. Handl., vol. 59, No. 4, 1919, p. 28 (editorial error). 



Oligometra adeonae form scabra GISLEN, Kungl. Svenska Vet. Handl., vol. 59, No. 4, 1919, p. 30 

 (in text; characters; Mjoberg's Station 4), p. 31 (specimens 10 and 12 from station 10). 



Description. The centrodorsal is small, discoidal, with the dorsal pole papillose, 

 from 1.5 to 2.0 mm. in diameter. The cirrus sockets are arranged in one and a partial 

 second marginal rows. 



