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Journal of conchology . rising as aconical projection behind, while the outline of the buccal mass isclearly visible in front. The visceral mass lies quite freely in thecavity formed by the wings, not touching them at the sides and beingfree for a distance of 5 mm. behind. At that point it is attached tothe foot by a large muscle which enters it medianly. It is yellow incolour and seerns to be composed of the liver, of the hermaphroditegland, which is mixed with the liver in parts, and of the mucousgland, which is opaque, solid and not ramified. The liver is a massof minute ramified tubes and
Journal of conchology . rising as aconical projection behind, while the outline of the buccal mass isclearly visible in front. The visceral mass lies quite freely in thecavity formed by the wings, not touching them at the sides and beingfree for a distance of 5 mm. behind. At that point it is attached tothe foot by a large muscle which enters it medianly. It is yellow incolour and seerns to be composed of the liver, of the hermaphroditegland, which is mixed with the liver in parts, and of the mucousgland, which is opaque, solid and not ramified. The liver is a massof minute ramified tubes and encloses a small round stomach. Thecourse of the intestine is partly visible in the liver, and it terminatesin a low anal papilla situated on the visceral mass, a little to the rightof the median line. The central nervous system is very difficult tosee but is apparently as in Berghs plates of L. antillarum. The eyesare visible externally only in one specimen and are situated just belowthe rhinophores on the outer Text Fig. 2.—Three teeth of LopJiocercus viridis. The buccal parts are much as described and figured by Bergh forZ. antillanan. The anterior portion is in some specimens roundish,in others distinctly divided into sacculations. The posterior portionis yellowish, semitransparent, with a faint longitudinal groove andtwelve bright white transverse lines. The buccal crop is proportionallysomewhat smaller than in Berghs figures. Both it and the anteriorpart of the buccal chamber are distinctly divided into two halves onthe lower side. The radula is of the usual ascoglossan type, but theteeth remain more or less in line and do not fall into a confusedheap. In a large specimen there are to teeth in the ascending seriesand 30 in the descending ; in a small specimen there are 8 teeth inthe ascending series, 13 in the descending, and 14 in the heap, butstill more or less in position. (Text Fig. 2). They resemble thoseof L. antillarum, but are perhaps somewhat straighter,
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Keywords: ., bookauthorconcholo, bookcentury1800, bookdecade1870, bookyear1879