. Fig. 15. Amphiura deficiens, Koehler. Part of oral side [a); dorsal side of arm, from the proximal part {b). 25. and I have thus thought it desirable to give a couple of drawings to show the shape of the plates more clearly. It may be pointed out that most of the specimens have the proximal half of the ventral interradius naked, but in other specimens the scales continue almost to the edge of the buccal plates. This species is viviparous; there is only one gonad at each bursal slit, placed on the interradial side. I regret to have forgotten to notice the character of the gonads, whether

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti