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



from Station 208. Both in the latter individual and in one of those from Samboangan 

 the disk bears cysts of Myzostoma platypus, which open into the ambulacral grooves, as 

 seen in PI. LXV. fig. 8. 



1. Actinometra 'parvicirra, Mull., sp. (PL LXI. ; PI. LXVII. figs. 3, 4). 

 Specific formula — a. 3. [3. (3)]—. 



1841. Alecto parvicirra, Miiller, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, 1841, p. 185. 



1841. Alecto timorensis, Miiller, Ibid., p. 186. 



1843. Alecto Wahlbergii, Miiller, Arcliiv f. Naturgesch., 1843, Jahrg. ix. Bd. i. p. 131. 



1849. Comatula (Actinometra) Wahlbergii, Miiller, Abhandl. d. k. Akad. d. Wiss. Berlin, Jahrg. 



1847 [1849], p. 256. 

 1849. Comatula (Alecto) parvicirra, Miiller, Ibid., p. 260. 

 1849. Comatula timorensis, Miiller, Ibid., p. 263. 

 1862. Comatula parvicirra, Dujardin and Hupe, Hist. Nat. des Zoophytes, Echinodermes, 



Paris, 1862, p. 206. 

 1862. Comatula timorensis, Dujardin and Hup6, Ibid., p. 206. 

 1862. Actinometra Wahlbergii, Dujardin and Hupe, Ibid., p. 211. 



1875. Comatula mertensi, Grube, 53e Jahresber. der Schlesisch. Gesellsch. f. Vaterl. Cult., 



1875, p. 74. 



1876. Actinometra (Comatula) armata (Semper, MS.), P. H. Carpenter, Journ. Anat. aud 



Physiol., 1876, vol. x. p. 582. 



1877. Actinometra polymorpha, P. H. Carpenter, Journ. Linn. Soe. Lond. (Zool.), 1877, vol. xiii. 



p. 443. 

 1879. Actinometra parvicirra, P. H. Carpenter, Trans. Linn. Soc. Lond. (Zool.), ser. 2, 1877 



[1879], p. 27. 

 1879. Actinometra Wahlberghii, P. H. Carpenter, Ibid., p. 27. 

 1879. Comatula timorensis, P. H. Carpenter, Ibid., p. 29. 

 1879. Actinometra polymorpha, P. H. Carpenter, Ibid., p. 51. 



1881. Actinometra parvicirra, P. H. Carpenter, Notes from the Leyden Museum, 1881, vol. 



iii. p. 204. 



1882. Actinometra parvicirra, P. H. Carpenter, Journ. Linn. Soe. Lond. (Zool.), 1882, vol. 



xvi. p. 519. 

 1882. Actinometra meijeri, P. H. Carpenter, Ibid., p. 525. 

 1882. Antedon mei-tensi, Bell, Proc. Zool. Soc. Lond., 1882, p. 533. 

 1882. Actinometra parvicirra, Bell, Ibid., p. 535. 

 1882. Actinometra wahlbergi, Bell, Ibid., p. 535. 

 1882. Actinometra annulata, Bell, Ibid., p. 535. 

 1882. Actinometra annulata, P. H. Carpenter, Ibid., p. 747. 

 1882. Actinometra parvicirra, P. H. Carpenter, Ibid., p. 747. 

 1882. Actinometra wahlbergi, P. H. Carpenter, Ibid., p. 747. 

 1882. Actinometra meyeri, P. H. Carpenter, Ibid., p. 747. 



1884. Actinometra parvicirra, Bell, Rep. Zool. ColL H.M.S. "Alert," Lond., 1884, p. 168. 

 1887. Actinometra parvicirra, Bell, Trans. Dublin Soc, 1887, vol. iii. ser. ii. p. 645. 

 ... Actinometra mutabilis, Liitken, MS., (pars), Godeffroy Museum. 



Centro-dorsal discoidal and sometimes greatly reduced, but always with some 

 traces of marginal cirrus-sockets. Sometimes only three cirri visible, generally ten or 



