458 Verrill, Notes on Radiata. 



The small spicula have all the forms seen among the larger ones, and 

 in addition there are warty heads, donble-heads, and other forms. The 

 polyp-spindles are slender and slightly warted. 



The larger spindles measure •275""" by -075""", -250 by -112, -225 by 



150, -225 by -125, -225 by '112, -225 by '100, -225 by "OSV, -225 by '075, 



212 by -125, -212 by -087, -212 by -075, "200 by -125, "200 by -112, 



200 by -075, -187 by -087, '187 by 075, -175 by '087, -162 by -100, 



162 by -087, -150 by -100; the irregular warty spicula -275 by -137, 



225 by -100, '200 by -162, -200 by -125, '187 by "125, '175 by '112; 



the three-branched spicula -212 by -112, -200 by -125, -200 by -100, -187 



by -150, -187 by •137, '175 by -150, '162 by -112, -150 by "150, -125 by 



125 ; the four-liranched stars or crosses "225 by •187, '187 by -125, 



•175 by -162, -137 by '137 ; the six-branched spicula '175 by °125; the 



clubs -187 by '087, "175 by '100, '162 by •lOO. The small spindles 



•125 by -087, -100 by '075, •lOO by -062; the clubs '100 by ^037 ; the 



heads -125 by -087, -112 by '087, ^087 by ^087, -075 .by -075. 



Panama, — F. H. Bradley. There is also a specimen from Panama 

 in the Museum of Comparative Zoology. . 



Suborder, ALCYONACEA YerriU. 



Alcyonides (family) Edw. and Haime, Coralliaires, vol. i, p. 102, 1857. 

 Sarcophyta (suborder) (pars) Gray, Ann. and Mag. Nat. Hist, 4, p. 443, 1859. 

 Akyonidce (suborder) Yerrill, Mem. Boston Soo. Nat. Hist., i, p. 3, 1863. 

 Alcyonacea (suborder) Yerrill, Proceedings Essex Inst., iv, p. 148, 1865. 

 Alcyonidce (family) K6U., Icones Histiolog., p. 131, 1865. 



Polyps usually elongated, the body-cavity tapering below. Coenen- 

 chyma, when present, fleshy, usually with slender, rather simple spic- 

 ula. No distinct axis. 



Family, Alcyonidje. 



Halcyonina {pars) (family) Ehrenberg, CoraU. des rothen Meeres, p. 56, 1834. 



Akyonince (pars) (subfamily) Dana, Zoophytes, p. 599, 1846. 



AlcT/onince (pars) (subfomily) Edw. and Haime, Coralliaires, vol. i, p. 113, 1857; 



KoUiker, Icones Histiolog., p. 132, 1865. 

 Alcyoniadce {^mrs) (family) Gray, Annals and Mag. Nat. Hist., vol. 3, p. 443, 1859. 

 Akyonince (family) Yerrill, Mem. Boston Soc. Nat. Hist, i, p. 3, 1863. 

 Akyonidce (family) Yerrill, Proc. Essex Inst, iv, p. 148, 1865. 



Corallum fleshy, attached by the abundant coenenchyma, usually 

 branched. Polyps much elongated, usually highly contractile, spicula 

 mostly long and rather simple. 



