260 BULLETIN 8 2, UNITED STATES NATIONAL MUSEUM VOLUME 1 



Antedon adrialica A. H. Clahk, Proc. U.S. Nat. Mus., vol. 38, 1910, p. 331 (description; Trieste); 

 vol. 40, 1911, p. 9 (characteristic of the Mediterranean division of the European faunal area), 

 p. -10 (mav be the species occurring in the Bay of Benzert); in Michaelsen and Hartmeyer, Die 

 Fauna Siidwest-Australicns, vol. 3, Lief. 13, 1911, p. 449 (no shortening of the arm as in petasus) ; 

 Mem. Australian Mus., vol. 4, 1911, p. 709 (embryology studied by Seeliger); Smithsonian Misc. 

 Coll., vol. 60, No. 10, 1912, p. 31 (compared with Euantedon, and with E. sinensis); Proc. U.S. 

 Nat. Mus., vol. 43, 1912, p. 382 (specimens from Trieste in U.S.N. M.), p. 384 (specimens of 

 Coinatula [Alecto] mediterranea recorded by J. Miiller, 1849, from Trieste are this species), p. 404 

 (Trieste; description); Smithsonian Misc. Coll., vol. 61, No. 15, 1913, p. 52 (Trieste). — Springer 

 and Clark, Zittel-Eastman's Paleontology, 1913, p. 181 (ontogeny).— A. H. Clark, in Michael- 

 sen and Hartmeyer, Beitrage zur Kenntnis der Meeresfauna Westafrikas, Echinod. II, Cri- 

 noidea, 1914, p. 314 (in key), p. 315 (range); Die Crinolden der Antarktis, 1915, p. 190 (occur- 

 rence in the Adriatic Sea). — Hartmeyer, Mitt. Zool. Mus. Berlin, vol. 8, No. 2, 1916, p. 236 

 (Trieste, No. 4342; Trieste, J. Miiller, No. 3033). — A. H. Clark, Unstalked crinoids of the 

 Siboga-Exped., 1918, p. 203 (in key; range). — Mortensen, Vid. Medd. Nat. Foren. K0benhavn, 

 vol. 71, 1920, p. 155 (comparison of early stages with A. petasus); vol. 72, 1920, pp. 70, 71 (notvs 

 on structure and development); Studies in the development of crinoids, 1920, pp. 8, 11 (develop- 

 ment compared with that of Tropiometra carinata [picta], pp. 59 and following (discussion of 

 the embryology). — Bather, Nature, vol. 107, March31,1921, p. 133 (infrabasals) . — K. H. Clark, 

 Smithsonian Misc. Coll., vol. 72, 1921, No. 7, p. 10 (development), p. 23 (food), p. 40 (economic 

 value), pi. 1, fig. 1, pi. 11, fig. 47; The Danish Ingolf-Exped., vol. 4, No. 5, Crinoidea, 1923, p. 41 

 (range), p. 55 (in key). — Koehler, Les echinodermes des mers d'Europe, vol. 2, 1927, pp. 124, 

 125 {form o( tnediterranea; diagnosis). — Tortonese, Ann. Mus. Civ. Stor. Nat. Genova, vol. 57, 

 1935, p. 264 (var. of mediterranea, agrees with Koehler). — Kolosvart, Folia zool. hydrobiol. 

 Riga, vol. 9, 1936, p. 83 (in Hungarian National Museum) ; Festschrift fiir Embrik Strand, vol. 2, 

 1937, p. 468 (description; Adriatic localities), p. 469, pi. 9, figs. 56, 57. — Gisl£n, Kungl. Fysiogr. 

 Sallsk. Lund Forh., vol. 8, No. 1, 1937, pp. 2-4 (comparison with A. petasoides which becomes a 

 synonym). — Kolosvart, Zool. Anz., vol. 121, 1938, p. 48, fig. 1 (centrodorsal in side view). — 

 Zei, Arch. Occanogr. Limnol. Roma, vol. 2, 1942, p. 190 (listed), p. 193 (Narenta channel, north- 

 east Adriatic). — Tortonese, Atti Accad. Ligure, vol. 8, 1952, p. 170 (not a variety of Antedon 

 mediterranea), p. 171 (comparison). — Htman, The invertebrates, vol. 4, Echinodermata, 1955, 

 p. 73 (spawning time), pp. 75-83 (development), fig. 30D (doliolaria larva), 31-33. — Tortonese, 

 Bull. Stat. Aquic. Pfiche, Castiglione, new ser., vol. 7, 1955, pp. 207, 208, p. 209 (vahd species) , 

 Ann. Mus. Civ. Stor. Nat. Genova, vol. 68, 1956, p. 182. — Cherbonnibr, Bull. Stat. Ocdanogr. 

 Salammbo, No. 53, 1956, p. 4 (Usted). 



Antedon sp. Leidenprost, Alatt. Kozlem, Budapest, vol. 16, 1917, p. 12 {Najade Exped. stations in 

 the Adriatic). 



Antedon mediterranea var. adriatica Tortonese, Natura, Milano, vol. 24, 1933, p. 164. 



Antedon mediterranea adriadca Tortonese, Ann. Mus. Civ. Stor. Nat. Genova, vol. 57, 1935, p. 223. — 

 Zavodnik, Biol. Vestnik, Ljubljana, vol. 8, 1961, p. 49. 



Antedon mediterranea (not of Lamarck) Tortonese, Ann. Mus. Civ. Stor. Nat. Genova, vol. 57, 1935, 

 p. 264 (Molkovich, Cattaro). — Vatova, Nova Thalassia, vol. 1, No. 3, 1950, pp. 23, 24, 30, 90 

 (ecology). Tables 25, 35, 37 (stations). 



Antedon petasoides Kolosvart, Festschrift fiir Embrik Strand, vol. 2, 1937, p. 468 (description, 

 Adriatic localities), p. 469, pi. 9, figs. 55 and 58. — Gisl^n, Kungl. Fysiogr. Sallsk. Lund Forh., 

 vol. 8, No. 1, 1937, pp. 1-4 (comparison with A. adriatica, of which it is a synonym). — Kolos- 

 vart, Zool. Anz., vol. 121, 1938, pp. 47-48 (reduced to a form of adriatica). 



Antedon adriatica adriatica Kolosvart, Zool. Anz., vol. 121, 1938, p. 48. — Kolosvart, Folia zool. 

 hydrobiol. Riga, vol. 10, No. 2, 1940, p. 377 (range), p. 380. 



Antedon adriatica forma petasoides Kolosvart, Zool. Anz., vol. 121, 1938, p. 48, fig. 3 (centrodorsal in 

 side view). — Zei, Arch. Oceanogr. Limnol. Roma, vol. 2, 1942, p. 190 (listed). 



Antedon adriatica petasoides Kolosvart, Folia zool. hydrobiol. Riga, vol. 10, No. 2, 1940, p. 377 

 (range), p. 380. 



Diagnostic features. — There are 22 to 30 (usually 24 to 28) cirrus segments, of which 

 the distal only differ slightly from the proximal; the distal portion of the cirri is only 

 slightly if at all recurved, and in lateral view is not wider than the proximal; the IBr, 



