144 
enting a new species, and I therefore described it under the name of 
Comanthus intricata; but I am quite unable to find any valid cha- 
racters by which it may be distinguished from the previously de- 
scribed valida. I was misled by the fact that Carpenter made 
valida the type of a special group, apart from the ""Parvicirra 
group”, and when I described intricata I had not yet discovered 
that the "Valida group” was composed of four supposed species 
three of which are synonymous with parvicirra of the "Parvicirra 
group” while the fourth is synonymous with my intricata, and, as' 
shown -by some specimens lately come to hand, also with Carpenter's 
littoralis of the "Parvicirra group”. 
Comanthus (Comanthus) rotalarin (Lamarck). 
Comatula rotalaria 1816. Lamarck, Hist. nat. des animanx sans vertébres, 
vol. 2, 
Alecto Bareirra 1841. J. Miller, Archiv fir Naturgesch., 1841, I, 
p. 145. 
Alecto timorensis 1841. J. Miller, idem., I, p. 145. 
Alecto wahlbergii 1843. J. Miller, idem., 1843, I, p. 131. 
Comatula brevicirra 1862. Dujardin and Haps, Hist. nat. des Zoo- 
phytes Échinodermes, p . 208. (Troschel M. S.). 
Actinometra, pitarkans re 1869. Litken, Mus. Godeffr. Cat., Vol. 4, 
p. 125, 
Actinometra intricata 1874. Litken, Mus. Godeffr. Cat., Vol. 5, p. 190. 
Comatula mertensi 1875. Grube, J.—B. der schls. Gesellsch. får vaterl. 
Cultur, 1875, p. 74. 
Actinometra armata 1876. W. n Carpenter, Proc. Roy. Soc. London, 
Vol. 24, p. 451 ("Semper M. 8.” 
Foden: polymerpke 3877. P. za Carpenter, Journ. Linn. Soc. (Z00l.), 
Vol. 13, 
Comatula rd 1862. Dujardin and Hupé, Hist. nat. des Zoophytes 
Échinodermes, p. 208: 
Actinometra meyeri 1882. P. H. Carpenter, Journ. Linn. Soc. (Z00l,), 
Vol. 16, p. 525. 
Antedon mertensi 1882. Bell, Proc. Zool. Soc. London, 1882, p. 53 
Actinometra mutabilis 1884. von Graff, "Challenger” Reports, Rn 10, 
ge sÅ p- 13 ("Litken M, 8,” 
Actinometra annotea 1887. sled Sci. Trans. Roy. Dublin Soc. [2], Vol. 
8. p. 645 (in synonymy). 
Actinometra elongata 1888. P. H. Carpenter, Challenger” Reports, 
Vol. 26, Zoology, p. 311; pl. 57, figs. 2—4. 
Actinometra simplex 1888. P.H.Carpenter, idem., p. 311, pl. 59, fig. l. 
