Medusae of the world . ot 8 4 re. LEPTOMEDUS/E—OBELIA, TIAROPSIS. 257 Obelia serratula Bale. Obelia serratula, Bale, 1888, Proc. Linnean Soc. New South Wales, vol. 3, p. 757.—Thornely, 1900, Zoological Results, A. Willey,part 4, p. 453, plate 44, fig. 5, Cambridge, England. Stems branched and with stolons growing downward from peduncles of over 10 mm. high. Hydrothecae short, broad, flaring, with about 10 to 12 largetriangular teeth. Floor of hydrotheca raised above base, leaving a large cavity beneath gonotheca is borne upon a short ringed stem, is oval, truncated abo
Medusae of the world . ot 8 4 re. LEPTOMEDUS/E—OBELIA, TIAROPSIS. 257 Obelia serratula Bale. Obelia serratula, Bale, 1888, Proc. Linnean Soc. New South Wales, vol. 3, p. 757.—Thornely, 1900, Zoological Results, A. Willey,part 4, p. 453, plate 44, fig. 5, Cambridge, England. Stems branched and with stolons growing downward from peduncles of over 10 mm. high. Hydrothecae short, broad, flaring, with about 10 to 12 largetriangular teeth. Floor of hydrotheca raised above base, leaving a large cavity beneath gonotheca is borne upon a short ringed stem, is oval, truncated above, and with smoothouter surface. The gonothecae arise from the sides of the stems and each bears severalmedusae. East coast of Australia, New Britain, South Pacific. Found in shallow water—40fathoms—on ropes, etc. Obelia linearis linearis, Thornely, 1900, Zoological Results, A. Willey, part 4, p. 453, plate 44, fig. 6, Cambridge, England. Stems branched, 7 mm. high. Hydrothecae deep, with about 12 blunted
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcnidari, bookyear1910
