Medusae of the world . ovided with powerful muscles. 8 very narrow,straight radial-canals and a simple, slender, circular vessel. A long, spindle-shaped, gelatinouspeduncle extends from inner apex of subumbrella almost to level of bell-margin. 8 radialtubes extend straight down this peduncle to the stomach, which is short and cylindrical andprovided with 4 prominent lips. 8 sausage-shaped gonads arise from the sides of the 8 radialtubes near inner apex of subumbrella and hang downward into cavity of bell. Females onlyhave been observed. The ova are large and prominent. The bell is translucent
Medusae of the world . ovided with powerful muscles. 8 very narrow,straight radial-canals and a simple, slender, circular vessel. A long, spindle-shaped, gelatinouspeduncle extends from inner apex of subumbrella almost to level of bell-margin. 8 radialtubes extend straight down this peduncle to the stomach, which is short and cylindrical andprovided with 4 prominent lips. 8 sausage-shaped gonads arise from the sides of the 8 radialtubes near inner apex of subumbrella and hang downward into cavity of bell. Females onlyhave been observed. The ova are large and prominent. The bell is translucent and dis-plays a dull-horny or iridescent appearance. The gonads are of a milky, yellow-whitecolor and the entoderm of the stomach and tentacles is pink. Young medusa.—In young medusa; about 4 mm. in height, the bell is quite globular, thetentacles are much less numerous than in the adult, and the gonads have not yet made theirappearance. Moreover, the peduncle is at this stage very little developed, so that the mouth.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcnidari, bookyear1910
