Medusae of the world . 1885, Science, vol. 5, No. 123, cover sheets, p. v. (hydroid); 1897, American Naturalist, vol. 31, , Annals and Mag. Nat. Hist., ser. 7, vol. I, p. 130 (medusa and hydroid); 1908, Proc. Delaware County Institute ofSci., vol. 3, p. 89, plates 1-4; 1906, Quart. Journal Microscop. Sci., vol. 50, p. 623, plate 36, figs. 13-26 (hydroid andmedusa).—Browne, 1906, Quart. Journal Microscop. Sci., vol. 50, p. 635, plate 37, figs. I, 2, 4 (medusa). Ryder, 1885,Amer. Naturalist, vol. 19, p. 1232. Pottsia ryderi, Ryder, 1885, Ibid., p. 1236 (medusa). Just after separation from
Medusae of the world . 1885, Science, vol. 5, No. 123, cover sheets, p. v. (hydroid); 1897, American Naturalist, vol. 31, , Annals and Mag. Nat. Hist., ser. 7, vol. I, p. 130 (medusa and hydroid); 1908, Proc. Delaware County Institute ofSci., vol. 3, p. 89, plates 1-4; 1906, Quart. Journal Microscop. Sci., vol. 50, p. 623, plate 36, figs. 13-26 (hydroid andmedusa).—Browne, 1906, Quart. Journal Microscop. Sci., vol. 50, p. 635, plate 37, figs. I, 2, 4 (medusa). Ryder, 1885,Amer. Naturalist, vol. 19, p. 1232. Pottsia ryderi, Ryder, 1885, Ibid., p. 1236 (medusa). Just after separation from the hydroid the medusa is about mm. in diameter. Bellthin-walled, dome-shaped, mm. high. 8 equally developed tentacles, about half as longas bell-diameter. No marginal lithocysts. Velum wide, its aperture only one-third to one-fourthof diameter of bell. Manubrium simple, conical at base, and four-cornered below, aboutone-half to two-thirds as long as bell-height. 4 straight, slender radial-canals, no
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcnidari, bookyear1910