Prodromus neapolitanae actiniarum faunae etc. 3 ] 9 



ß) fusca = columna carnea, tentaculorum basi fusca et tuberculorum 



capitulo badio. 

 y) viridis = columna lutea, tuberculis viridis. 

 Obs. Hisce varietatibus multi interpositi gradus extant. — Omnia et varie- 

 tatum et graduum specimiua noctu tantum expauduntur ; splendidissima tunc spe- 

 ciei forma patet. 



Farn. 3 a. Cereactidae. 



Actinines verruqueuses (pars), 3filne Edwards 1857. 



Actinianae fixae, columna acetabulifera imperforata, acontiis nullis, tentaculis 

 subulo-digitatis preditae. 



Gen. VIII. Cereactis. 



Actinia pars), auctorum. 



Cere US (pars), Oken 1815, Milne Edwards 1857. 



Cribrina (pars) , Ehrenberg 1834. 



Cereactidae tentaculis longissimis flexuosis, columna valde extensibili in- 

 structae. — Novum hoc genus propter suam 3Iilne Edwardsiano (magis quam 

 Okenii) genere Cereo affinitatem, Cereactidis, affini scilicet, nomine provulgo» 



Sp. 15. Cereactis aurantiaca 



(non A. aurantiaca, Jordan 1855). 

 Syn. 1823, Actinia aurantiaca. Belle C'hiaje, Notom. vol. 2. p. 438, vol. 3. 

 p. 71, tab. 29. fig. 25, tab. 103. fig. 6. 

 1835, - aurantiaca, Dujardin in Lam. Hist. vol. 3. p. 419. 



1840, - - Gruhe, Act. p. 5. fig. 5. 



1841, - - Delle Chiaje, Anim. vol. 4. p. 126. vol. 5. p. 138. 



tab. 154. fig. 10. 

 1844, - - Contarmi, p. 149. tab. 13 a, 6. 



1857, Cereus aurantiacus, Milne Edwards, Cor. p. 270. 

 Descr. Cereactis adhuc generis characteribus tantum distincta. 

 Hab. In littoris arenosis Pausilypi et in sinu Mergellinae frequens; Mtr. 5,00 

 profunda. 



Var. «) lutea = a colore columnae. 



ß] rubra — id. 

 Obs. Specimina larvis praegnantia mense majo haud rare obtinui. 



Farn. 4 a. Adamsidae. 



Actinines perforées, Milne Edivards 1857. 



Sagartiadae, Gosse 1858, 1860 (abs. Gen. Phellia, plus Gen. Aiptasia), Verrill 

 1862, SUider 1878. 



Sagartinae, Verrill 1868, 1869, Klmizinger 1877. 



Actinianae fixae, columna laevi vel acetabulifera, perforata; acontiis abun- 

 dantissimis ; tentaculis subulatis instructae. 



üiittheilungen a. d. Zoolog. Station zu Neapel. Bd. 11. 22 



