. Annals of applied biology. Biology, Economic; Biochemistry. rt.—. Fig. 5. Left mandible of larva, S. carcharias (greatly magnified). a = dorso-lateral view of mandible; b— ventral view of mandible; c=chitinous plate; e/= extensor muscle; rt = retractor muscle. bearing a few bristles on the sides; attached to the clypeus anteriorly is the bristly labrum (I) which is almost semicircular in shape. On each side of the clypeus and labrum can be seen, in part, the mandibles (m). Each mandible (see Fig. 5) is strong and robust, shiny- black in colour and highly chitinised. Their general form is tri
. Annals of applied biology. Biology, Economic; Biochemistry. rt.—. Fig. 5. Left mandible of larva, S. carcharias (greatly magnified). a = dorso-lateral view of mandible; b— ventral view of mandible; c=chitinous plate; e/= extensor muscle; rt = retractor muscle. bearing a few bristles on the sides; attached to the clypeus anteriorly is the bristly labrum (I) which is almost semicircular in shape. On each side of the clypeus and labrum can be seen, in part, the mandibles (m). Each mandible (see Fig. 5) is strong and robust, shiny- black in colour and highly chitinised. Their general form is triangular and their inner cutting edges are produced into two blunt teeth. Each mandible is worked by two powerful muscles, an extensor (et) attached to the dorsolateral surface of the mandible and a retractor (rt) to its inner or ventral surface. The retractor muscle is far the stronger of the two. Embedded in each muscle is a thin sheet of chitin (c).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Association of Applied Biologists; Association of Economic Biologists. [Wellesbourne, Warwick, etc. ] Association of Applied Biologists [etc. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbiochem, bookyear1921
