No. 1623. NOMENCLATURE OF RECENT CRINOIDS—CLARK. 449 
Actinometra valida P. H. Carpenter, 1888. 
1888. P. H. Carrenter, Challenger Reports, X XVI, Zoology, 
p- 311, pl. urx, fig. 3; detailed description, p. 314; first men- 
tioned, p. 58. 
Type-locality.—10° 30’ south latitude, 142° 18’ east longitude 
(Prince of Wales Channel); 8 fathoms. H. M. S. Chal- 
lenger. 
valida=stout, robust. British Museum. 
Actinometra variabilis Brit, 1882. 
1882. Buty, Proc. Zool. Soc. London, 1882, p. 535. 
Non-diagnostic specific formula given; full description in Bet, 
Rep. Zool. Coll. H. M.S. Alert, p. 169, pl. xv, figs. B, Ba, 
(1884). 
Type-locality—Thursday Island. H. M.S. Alert. 
variabilis=changeable. British Museum. 
+Actinometra wurtembergica. 
Actinometra (Comatula) armata P. H. Carpenter, 1876. (“ Semper 
MS.”) 
1876. P. H. Carpenter, Journ. Anat. and Physiol., X, p. 574. 
A nomen nudum. 
armata=armed. 
Actrinometra Harriavs, 1895. 
1893. Harriaus, Nova Acta Acad. German., LVITI, No. 1 5 ]D0 OM. 
Misprint for Actinometra. 
Adelometra A. H. Cuarxn, 1907. 
1907. A. H. Cuarn, Smiths. Miscell. Coll. (Quarterly Issue), 
L, pp. 346, 363. 
Ly pe. ap angustiradia P. H. Puepenter, 1888. 
adnhos=obscure+metra. 
Adelometra tenuipes A. H. Cuarxk, 1908. 
1908. A. H. Cuarx, Proc. U. S. Nat. Mus., XXXIV, p. 236. 
Type-locality.Off Havana, Cuba; 211 fathoms. U. S. S. 
Albatross. 
tenuis=slender- pes= foot. : U. S. National Museum. 
Aetinometra P. H. Carprnter, 1881. 
1881. P. H. Carpenter, Notes from the Leyden Museum, ITI, 
p.. 204. 
Typographical error. 
Alecto Lracu, 1815. 
1815. Leacu, Zool. Miscell., Tal [Oo Olle 
Type.—Alecto horrida iene in sp.) (first species) not recog- 
mzavle. 
’ An«t@= Alecto, one of the Furies. 
The genus Alecto has no standing whatever, as Alecto horrida 
is quite unrecognizable from the description or the figure, and 
