STAUROMEDUS.E — LUCEKNARIA. 



527 



Synopsis of the Species of Lucernaria. 



Lucernaria quadricornis O. F. Mtiller, 



Lucernaria quadricornis ^ Muller, O. F., 1776, ProJrom. Zool. Dan., p. 227; 1788, Zool. Dan., vol. i, p. 51, plate 39, figs. 1-6 — 

 Lanc^rck, 1816, Syst. Anim. sans Vert., torn. 2, p. 354. — Cuvier, 1817, Regne Animal, torn. 4, p. 53. — Sars, M., 1829, 

 Bidragtil Sodyrenes Natur., fasc. i, p. 43, tab. 4, figs. 14-18; 1846, Fauna littoral. Norveg., fasc. i, p. 20, plate 3, figs. 

 1-7. — Stimpson, 1853, Smithsonian Cont. to Knowledge, Marine Invert. Grand Manan, p. 8. — Carus, 1857, Icon., 

 Zootom, taf. 4, fign. i, 2. — Clark, H. J., 1863. Journ. Boston Soc. Nat. Hist., vol. 7, p. 552, (good Hst of literature). — 

 Agassiz, a. 1865, North Araer. Acal., p. 62. — Haeckel, 1880, Syst. der Medusen, p. 390. — Keferstein, 1863, Zeit. fur 

 wissen.Zool., Bd. 12, p. 20. — Taschenberg, 1877, Halle, Zeit. ges. Naturw., Bd. 49, p. 82, taf. 2, fig. 2. 



Disk about 50 to 60 mm. in diameter and, together with the peduncle, 50 to 70 mm. in 

 height. The bell is ot the shape of a 4-sided tunnel and about twice as wide as high. Peduncle 



