. Smithsonian miscellaneous collections . Cephalic appendages ofNEOLENUS SERRATUS (Rominger). NO. 4 APPENDAGES OF TRILOBITES 183 DESCRIPTION OF PLATE 17 PAGE Ncolenus serratus (Rominger) 126 Fig. 1. (Natural size.) A partly exfoliated specimen, showing (a)an antennule, numerous thoracic legs (thl), and jointedcaudal rami (cr). The caudal rami have been draggedbackward, pulling with them a portion of the under edge ofthe ventral lining of the body cavity. U. S. NationalMuseum, Catalogue No. 57656. 2. (Natural size.) Pygidium with the caudal rami extending out from beneath it in their probable n
. Smithsonian miscellaneous collections . Cephalic appendages ofNEOLENUS SERRATUS (Rominger). NO. 4 APPENDAGES OF TRILOBITES 183 DESCRIPTION OF PLATE 17 PAGE Ncolenus serratus (Rominger) 126 Fig. 1. (Natural size.) A partly exfoliated specimen, showing (a)an antennule, numerous thoracic legs (thl), and jointedcaudal rami (cr). The caudal rami have been draggedbackward, pulling with them a portion of the under edge ofthe ventral lining of the body cavity. U. S. NationalMuseum, Catalogue No. 57656. 2. (Natural size.) Pygidium with the caudal rami extending out from beneath it in their probable natural position. U. Museum, Catalogue No. 57657. The above described figures were published in 1912(Smithsonian Misc. Coll., Vol. 57, pi. 24, figs. 1, 10). 3. (X3-) Enlargement of the posterior portion of the dorsal shield and appendages illustrated by fig. I, pi. 15. U. Museum, Catalogue No. 58588. The basal joints (protopodites) of the limbs are not welldefined as they have been so flattened and crushed againstthe inside of the dorsal shield that they have the reli
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
