Medusae of the world . heocellus-like spots above its tentacle-bulbs glowed suddenly with great brilliancy. Northerncoasts ot Europe, England to Norway. Subfamily with other than 8 lithocysts; manubrium with a short flaring peduncle. Genus CLYTIA Lamouroux, 1812, in part, sens. Hincks, 1868. Clytia, LAMOirROux, 1812, Nouv. Bull, des Sci. par la Soc. philomantique, tome 3, annee 5, No. 63, p. 184; 1816, Hist, des Poly-piers coralligenes, Caen, p. 202.—Agassiz, L., 1862, Cont. Nat. Hist. U. S., vol. 4, p. 354.—Agassiz, A., 1865, NorthAmer. Acal., p. 78.—Van Beneden, 1866, Fau
Medusae of the world . heocellus-like spots above its tentacle-bulbs glowed suddenly with great brilliancy. Northerncoasts ot Europe, England to Norway. Subfamily with other than 8 lithocysts; manubrium with a short flaring peduncle. Genus CLYTIA Lamouroux, 1812, in part, sens. Hincks, 1868. Clytia, LAMOirROux, 1812, Nouv. Bull, des Sci. par la Soc. philomantique, tome 3, annee 5, No. 63, p. 184; 1816, Hist, des Poly-piers coralligenes, Caen, p. 202.—Agassiz, L., 1862, Cont. Nat. Hist. U. S., vol. 4, p. 354.—Agassiz, A., 1865, NorthAmer. Acal., p. 78.—Van Beneden, 1866, Fauna Littoral de Belg., p. 165.—Hincks, 1868, British Hydroid Zoo-phytes, vol. 1, p. 140.—Bedot, 1901, Revue Suisse de Zool., tome 9, p. 436; Ibid., 1905, tome 13, p. 60. Eucope (in part), Gegenbaur, 1856, Zeit. fiir wissen. Zool., Bd. 8, p. 241 (young medusae). Epenihesis, McCradv, 1857, Gymn. Charleston Harbor, p. 191.—Haeckel, 1879, Syst. der Medusen, p. 182.—Browne, 1896,Proc. Zool. Soc. London, p. Fin. 134a.—Cosmerira pilosella, after Hartlaub, in Zool. Anzeiger. 262 MEDUSA OF THE WORLD. The type species is Clytia volubilis Lamouroux, 1812, previously described by Ellis andSolander, 1786, as Sertularia volubilis. Alder, 1858, renamed this species Clytia johnstoni in order to disitnguish it from Campan-ularia volubilis. It is a widely-distributed form and is found along the Atlantic coasts ofEurope as well as in the Mediterranean. Clytia bicophora Agassiz, of America, is apparentlyidentical with the European C. volubilis; and Eucope campanulata and E. affinis of Gegen-baur are apparently only stages in the growth of the medusa of C. volubilis. Calkins, 1899, finds a hydroid from Puget Sound, Pacific coast of America, which isapparently identical with C. bicophora = C. volubilis; and if this be true, C. volubilis is probablywidely distributed over the temperate coasts of the northern hemisphere. GENERIC CHARACTERS. Eucopida? with 16 tentacles alternating
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