A5(0 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. XXXIV. 
the type-specimen has been lost. In 1819 Schweigger (Beo- 
bachtungen auf Naturhistorischen Reisen, Berlin, 1819, p. 66) 
referred it to the Linnean Asterias multiradiata, and figured 
certain parts of a specimen supposed to belong to the species. 
The figures, however, are as unrecognizable as those of Leach, 
but probably do not represent the Linnean species as now re- 
stricted. The mere fact that he assigned Alecto horrida to As- 
_terias multiradiata would seem to imply that the two were iden- 
tical, in which case the Actinometra of Miiller, 1841, and the 
Comatula of Lamarck, 1816, would become synonyms of Alecto, 
1815; but it must be remembered that nothing was known of 
the specific, or even of the generic, characters of free crinoids 
until a much later date, and any multibrachiate form was con- 
sidered “Asterias multiradiata Linneus,” regardless of whether 
it belonged to the Antedonidee or Actinometridee. We find this 
well illustrated by Leuckart, who in 1839 (Isis, V, p. 612) re- 
ferred to what is most probably Himerometra savignit (Miil- 
ler) under the name of Comatula multiradiata. Therefore, in 
the absence of any proof as to which of the two families A/ecto 
horrida really belonged, to say nothing of its specific relations, 
we can do nothing but consider it unrecognizable, and the generic 
name A/ecto as quite meaningless. 
Alecto bennetti J. Mturr, 1841. 
1841. J. Mtiirr, Wiegmann’s Archiv fiir Naturgesch., I, p. 146. 
Type-locality—Unknown. Mr. George Bennett. 
Mr. George Bennett. Leyden Museum. 
Alecto carinata Lracn, 1815. 
1815. Wsacn, Zool. Miscell., II, p. 63. 
—Type-locality—Unknown. | 
carinata=keeled (in reference to the arms). Type lost. 
There can be little doubt that this is the same species as Com- 
atula carinata Lamarck, 1816, as was suggested by Lamarck 
himself. The description, however, is quite useless, and the type 
has been lost. We know what Lamarck’s species really is. There- 
fore, we must date the name from Lamarck, 1816, with AJecto 
carinata Leach, 1815, as a questionable synonym. 
Alecto echinophora J. Miiunr, 1843. 
1843. - J. Mturr, Abh. d. k. Akad. d. wiss., 1841 [1848], p. 48. 
Editorial error for Alecto echinoptera. 
Alecto echinoptera J. Mturr, 1841. 
1841. J. Mtiirr, Wiegmann’s Archiv fiir Naturgesch., I, p. 143. 
Type-locality.—Unknown. Captain Wendt. 
éyivos=rough, prickly 2répov=wing (i. e. arm). 
Berlin Museum. 
Doctor Carpenter believes, with good reason, that this species 
was originally brought from the West Indies. 
