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. Smithsonian miscellaneous collections. Fig. 13, C.—Gnathotrichus siilcatiisLee.: Labium, ventral aspect. Fig. 13, D.—Gnathotrichus snlcatiisLee.: Labiuiri, dorsal aspect. These setae gradually become longer, more slender, and pointed pos-teriorly (e). Near the subgaleal area (fig. 11. d) they are about threetimes as long as on the dorsal margin. Besides these setae on the outer NO. 10 MORPHOLOGY OF GNATHOTRICIIUS SCHEDL 29 margin of the lacinia numerous bristles (g) are scattered over theentire lobe ; the surface is slightly reticulate. Basally, the united laciniaand galea end in a lobe, the
. Smithsonian miscellaneous collections. Fig. 13, C.—Gnathotrichus siilcatiisLee.: Labium, ventral aspect. Fig. 13, D.—Gnathotrichus snlcatiisLee.: Labiuiri, dorsal aspect. These setae gradually become longer, more slender, and pointed pos-teriorly (e). Near the subgaleal area (fig. 11. d) they are about threetimes as long as on the dorsal margin. Besides these setae on the outer NO. 10 MORPHOLOGY OF GNATHOTRICIIUS SCHEDL 29 margin of the lacinia numerous bristles (g) are scattered over theentire lobe ; the surface is slightly reticulate. Basally, the united laciniaand galea end in a lobe, the subgaleal area (d), which is distinctlydefined on the inner side by an impressed line. The galea bears ashort row of slender setae (k) on its free dorsal margin; the surfaceis armed with rather sparse, long hairs (e). Adopting the terms of other authors, it may be said the lacinia ispilose on its dorsal margin and spinose on its posterior and that thegalea is spinose. Palpi.—The palpi (P) are three-jointed. The first joint is the
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience