116 Scientific Proceedings, Royal Dublin Society. 



1859. Sagartia nivea, . E. P. Wright, Proc. Zool. and Pot. Ass. 



of Dublin, vol. i., pp. 179 and 187; 

 Nat. Hist. Review, vol. vi., pp. 117 

 and 124. 



1860. ,, . P. H. Gosse, Actinologia Pritannica, pp. 



55, 62, 66, 67-72, 77, 122 ; PI. ii., 

 figs. 1 and 8. 



P. J. Foot, Nat. Hist. Rev., vol. vii., p. 

 392. 



1861. ,, . T. Hincks, Ann. and Mag. of Nat. Hist., 



ser. 3, vol. viii., p. 361. 



P. J. Poot, Proc. Nat. Hist. Soc. of 



Dublin, vol. iii., p. 65. 

 1874. ,, ,, . P. Fischer, Comptes rendus, vol. lxxix., 



p. 1207, transl. Ann. and Mag . of Nat . 



Hist., ser. 4, vol. xv., p. 373. 

 P. Fischer, Nouv. Arch, du Museum, vol. 



x., pp. 212, 239, and 240. 

 1880. ,, „ . G. Y. Dixon, Rathmines School News, 



vol. viii., No. 3, p. 1. 

 A. Andres, LeAttinie, vol. i. {Fauna und 



Flora des Golfes von Neapel, vol. ix.), 



p. 143. 



,, „ ,, . A. S. Pennington, Pritish Zoophytes, 



p. 151, PI. xii., fig. 3. 



1886. ,, ,, . A. C. Haddon, Proc. Roy. Irish Academy, 



ser. 2, vol. iv. (Science), p. 527. 

 ,, ,, ,, . A. C. Haddon, Zoologist, ser. 3, vol. x.,. 



p. 6. 



Description. 

 Form. 



Base — Adherent, slightly exceeding the column. 



Column — Cylindrical, sometimes columnar ; in height slightly 

 exceeding the diameter ; smooth, or slightly corrugated ; studded on 

 the upper half with suckers, which form more or less distinct warts, 

 and perforated on the upper third with cinclides ; marked with 

 numerous longitudinal lines corresponding to the insertions of the 

 septa, which shine through the body-wall. Substance fleshy. 



Heliactis venusta, 



