194 THE VOYAGE OF H.M.S. CHALLENGER. 



III. Third outer pinnule distinctly larger than the second. 



a. Over thirty cirrus-joints. 



Third pinnule has smooth joints ; syzygial interval four to 



seven joints, . . . . . .2. anceps, 1 n. sp. 



Joints of third pinnule with lateral processes ; syzygial interval 



nine to twelve joints, . . . . .3. variipinna, 1 Carpenter. 



b. Twenty to thirty cirrus-joints. The third and next following 



pinnules tolerably equal in length; arms more or less carinate, 4. carinata, Lamk., sp. 



c. Not more than twelve cirrus-joints. The third pinnule rather the 



longest, . . . . . . .5. parvicirra, n. sp. 



B. Usually no pinnule on the third brachial. 



I. Joints of second and third pinnules not specially elongated. Fifteen 



cirrus-joints, . . . . . . . 6. informis, n. sp. 



H. Second and third pinnules have much elongated joints with enlarged 



and denticulate ends, ...... loveni, Bell. 



1. Anteclon milberti, Miiller, sp. (PI. XXXV. figs. 4-6). 

 Specific formula — A. y. 



1846. Comatula (Alecto) Milberti, Miiller, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, 1846, 



p. 178. 

 1846. Comatula Jacquinoti, Miiller, Ibid., p. 178. 

 1849. Comatula {Aledo) Milberti, Miiller, Abhandl. d. k. Akad. d. Wiss. Berlin, 1847 [1849], 



p. 255. 

 1849. Comatula Jacquinoti, Miiller, Ibid., p. 255. 

 1862. Comatida Milberti, Dujardin and Hupe, Hist. Nat. des Zoophytes, Echinodermes, Paris, 



1862, p. 202. 

 1862. Comatula Jacquinoti, Dujardin and Hupe, Ibid., p. 202. 



1867. Antedon Milbertii, Verrill, Trans. Connect. Acad. Arts and ScL, 1867, vol. i. p. 341. 

 1875. Comatula Ixvissima, Grube (pars), 53 e Jahresber. der Schlesisch. Gesellsch. f. Vaterl. 



Cult., 1875, p. 74. 

 1879. Antedon Jacquinoti, P. H. Carpenter, Trans. Linn. Soc. Lond. (Zool.), ser. 2, 1879, vol. ii. 



p. 29. 

 1879. Antedon Milberti, P. H. Carpenter, Ibid,, p. 29. 

 1882. Antedon Ixvissima, Bell (pars), Proc. Zool. Soc. Lond., 1882, p. 533. 

 1882. Antedon jacquinoti, Bell, Ibid., p. 534. 

 1882. Antedon milberti, Bell, Ibid., p. 534. 

 1882. Antedon jacquinoti, P. H. Carpenter, Ibid., p. 746. 

 1882. Antedon Isevissima, P. H. Carpenter, (pars), Ibid., p. 746. 

 1882. Antedon milberti, P. H. Carpenter, Ibid., p. 746. 



1884. Antedon Milberti, Bell, Bep. Zool. Coll. H.M.S. "Alert," London, 1884, p. 156. 

 1884. Antedon milberti, Bell, Proc. Linn. Soc. N.S.W., 1884, vol. ix. p. 497. 



Centro-dorsal hemispherical, bearing some twenty to thirty cirri. These have twenty- 

 five to thirty -five or even nearly forty joints, most of which, and especially the lower 

 ones, are wider than long. The middle and outer joints have a more or less distinct 

 dorsal spine. 



1 These are both tridistichate species ; see pp. 254, 256. 



