. A text-book of invertebrate morphology. Invertebrates. 428 INVERTEBRATE MORPHOLOQT. as King-crabs or Horseshoe-crabs. They are large forms measuring a foot or so in diameter, and the body is composed of three portions. The anterior is a broad semicircular ceph-. FiG. 195.—Limulus polyphemus, Pbmalb, feom the Ventral Suefacb. ah = abdomen cp = cepbalotbovaxi an = amis. ol = olfactory organ. all = chelicera. op = operculum. chi = chilariura. sp = spiue. alothorax (cp), prolonged backwards into sharp points at its posterior angles and bearing upon its dorsal surface a pair of compound eyes towa
. A text-book of invertebrate morphology. Invertebrates. 428 INVERTEBRATE MORPHOLOQT. as King-crabs or Horseshoe-crabs. They are large forms measuring a foot or so in diameter, and the body is composed of three portions. The anterior is a broad semicircular ceph-. FiG. 195.—Limulus polyphemus, Pbmalb, feom the Ventral Suefacb. ah = abdomen cp = cepbalotbovaxi an = amis. ol = olfactory organ. all = chelicera. op = operculum. chi = chilariura. sp = spiue. alothorax (cp), prolonged backwards into sharp points at its posterior angles and bearing upon its dorsal surface a pair of compound eyes towards the sides and near the median line two simple eyes. The middle region is the abdomen (ab).. 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 McMurrich, J. Playfair (James Playfair), 1859-1939. New York, H. Holt and Company
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1894
