. Carnegie Institution of Washington publication. LEODICID^E OF THE WEST INDIAN REGION. 87 peristomium and may extend decidedly beyond the level of the margins of the peri- stomium (plate 8, figure 1); its anterior lateral angles broadly rounded, its breadth about equal to twice its length. The eyes are black, kidney-shaped, situated at the outer side of the base of the paired tentacles (plate 8, figure 2). The tentacles are three in number, are a trifle longer than the prostomium (plate 8, figure 2), of a very delicate texture, and colorless; the peristomium (plate 8, figure 2) has a free dor


. Carnegie Institution of Washington publication. LEODICID^E OF THE WEST INDIAN REGION. 87 peristomium and may extend decidedly beyond the level of the margins of the peri- stomium (plate 8, figure 1); its anterior lateral angles broadly rounded, its breadth about equal to twice its length. The eyes are black, kidney-shaped, situated at the outer side of the base of the paired tentacles (plate 8, figure 2). The tentacles are three in number, are a trifle longer than the prostomium (plate 8, figure 2), of a very delicate texture, and colorless; the peristomium (plate 8, figure 2) has a free dorsal margin which extends for a short distance over the latter. In life this margin is elevated and depressed with a rhythmical movement. The general color of the body is a pearly white, modified by the reddish tint of the blood in the body-walls (plate 8, figure 1). Somites 3 and 8 have a deep-brown ground- color with numerous yellowish spots over the surface, the most apparent of these spots being arranged in a single transverse row near the anterior edge of the somite. Somites 7 and 9 may also show this coloration. The posterior third of the body is nearly pure white in immature individuals, but in mature females is, for the posterior third of the body, colored a dark green by the contained eggs. The dorsal cirri at the anterior end are relatively rather prominent (text-figure 305), but posteriorly they become very small (text-figure 306). There are two pairs of anal cirri (plate 8, figure 4), of which the ventral pair is the shorter, hardly longer than the ventral cirri of the parapodia. The first parapodium (text-figure 307) has a rounded setal lobe smaller than the ventral cirrus and a relatively rather stout dorsal cirrus. The tenth parapodium (text- figure 305) shows a rounded post-setal lip, with the end of the setal lobe in the form of a hemisphere surrounded by a depression, from the bottom of which the setse arise. The ventral cirrus is short and asymmetrically sagit


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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1902