﻿654 
  

  

  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  

  

  Nicolea, 
  320, 
  3S2 
  

  

  arctica, 
  322 
  

  

  simplex, 
  323 
  

  

  venustula, 
  209, 
  319 
  (fig.), 
  322 
  

  

  zostericola, 
  322 
  

   Nicomache, 
  303, 
  304, 
  305 
  (key) 
  

  

  carinata, 
  305 
  

  

  lumbricalis, 
  208, 
  225, 
  301 
  (fig.), 
  306 
  

  

  lumbricalis 
  borealis, 
  305 
  

  

  maculata, 
  306 
  

  

  minor, 
  306 
  

  

  personata, 
  208, 
  301 
  (fig.), 
  305, 
  306 
  

   niger, 
  Pleonomus, 
  616 
  

   nigeriae, 
  Monohelea, 
  150 
  

   nigra, 
  Polycelis, 
  172 
  

   nigrata, 
  Pachychilus, 
  366 
  

   nigriceps, 
  Strabala, 
  122 
  

   Nimravinae, 
  434 
  

   Nina, 
  458 
  

   Nitzschia 
  bruneri, 
  538 
  

  

  bruneri 
  meridionalis, 
  539 
  

  

  dubius, 
  537 
  

  

  minor, 
  544 
  

  

  pulicaris 
  tibialis, 
  538 
  

  

  tibialis, 
  538 
  

   nivea, 
  Phagocata, 
  164, 
  167 
  (fig.), 
  179, 
  

  

  180, 
  182 
  

   nobilis, 
  Elater, 
  601 
  

  

  Lepidotus 
  (Aulacon), 
  603 
  

   nodifila, 
  Melania, 
  370 
  

  

  Oxytrema, 
  361, 
  368 
  

   Nodilittorina, 
  449, 
  450, 
  454, 
  455 
  (fig.), 
  

  

  458, 
  459, 
  460, 
  463 
  

   malaccana, 
  456 
  

   miliaris, 
  450 
  

   picta, 
  450 
  

  

  pyramidalis, 
  456, 
  460 
  

   subnodosa, 
  456 
  

  

  tuber 
  culata, 
  449, 
  450, 
  451, 
  453 
  

   (fig.), 
  454, 
  455 
  (fig.), 
  457 
  (fig.), 
  

  

  459, 
  460, 
  462 
  

   vilis, 
  456 
  

  

  nodiperda, 
  Melania, 
  370 
  

   nodosa, 
  Eunoa, 
  217 
  

  

  Eunoe, 
  206, 
  216, 
  217, 
  219, 
  229 
  (fig.) 
  

   Harmothoe, 
  217, 
  219 
  

   Polynoe, 
  217, 
  219 
  

   nodulosa, 
  Litorina, 
  458 
  

   Littorina, 
  451, 
  459 
  

   nodulosus, 
  Echininus, 
  449, 
  451, 
  452, 
  

   453 
  (fig.), 
  454, 
  455 
  (fig.), 
  457 
  

   (fig.), 
  458 
  

   Tectarius, 
  462 
  

   Trochus, 
  451, 
  456 
  

   Turbo, 
  451 
  

   Nomopleus, 
  613 
  

   nordmanni, 
  Goniada, 
  274 
  

   North 
  American 
  triclad 
  Turbellaria, 
  

   XIII; 
  three 
  new 
  cave 
  planarians, 
  

   563 
  

   Northern 
  Colombia, 
  Mammals 
  of, 
  genus 
  

  

  Tapirus, 
  465 
  

   Nothocyon 
  geismarianus, 
  4^9 
  

   notialis, 
  Mystides, 
  232 
  

   Notiphila, 
  553, 
  556 
  

   annulata, 
  552 
  

  

  nubilus, 
  Canis, 
  423 
  

   nuda, 
  Leaena, 
  326 
  

   Nullarborica, 
  613 
  

  

  concinna, 
  613 
  

   Nychia 
  cirrosa, 
  226 
  

   Nvctitheriidae, 
  404 
  

   Nyctor, 
  613 
  

  

  expallidus, 
  613 
  

  

  obesus, 
  Elater, 
  608 
  

  

  obovata, 
  Lithasia, 
  363 
  

  

  obscura, 
  Pacificola, 
  613 
  

  

  obscuripes, 
  Elater, 
  605 
  

  

  obscurus, 
  Elater, 
  606 
  

  

  occidentalis, 
  Periscelis, 
  552, 
  553, 
  554, 
  

  

  555, 
  556 
  

   occidentalis. 
  Nereis 
  pelagica, 
  264, 
  265 
  

   ocellaris, 
  Amphiprion, 
  194 
  

   ocellata, 
  Wetmorella, 
  440, 
  442, 
  443, 
  444, 
  

  

  446, 
  447 
  

   Ochotoninae, 
  434 
  

   ochraceus, 
  Ceratopogon, 
  63 
  

   octomaculatus, 
  Megapenthes, 
  609 
  

   oculata, 
  Mysis, 
  576, 
  581 
  

   oculatus, 
  Vannius, 
  626 
  (fig.), 
  628 
  

   oculi-marginata, 
  Polycelis, 
  172, 
  182 
  

   Odocoileus 
  hemionus, 
  423 
  

  

  virginianus, 
  423 
  

   Odontaeus, 
  96, 
  101 
  

   Odontocardus, 
  613 
  

   Oedemeridae, 
  158 
  

   oerstedi, 
  Chaetosyllis, 
  253 
  

  

  Eunoe, 
  206, 
  216, 
  218, 
  219, 
  229 
  

  

  (fig.) 
  

   Syllis, 
  253 
  

   Ogmophis 
  arenarum, 
  402 
  

   o'harrai, 
  Hoplophoneus, 
  430 
  

   olequaensis, 
  Ambloxus, 
  360 
  

   oligospilus, 
  Upeneus, 
  500 
  (table), 
  502 
  

  

  (tables), 
  503, 
  504 
  (table), 
  505 
  

  

  (tables), 
  509, 
  625, 
  526 
  (table), 
  

  

  527 
  (table) 
  

   onager, 
  Equus, 
  424 
  

   Oophylax 
  minuta, 
  256, 
  257 
  

   Ophelia 
  limacina, 
  296 
  

   Opheliidae, 
  208 
  (table), 
  213, 
  295 
  (key), 
  

  

  297 
  (fig.) 
  

   Ophelina 
  groenlandica, 
  295, 
  296 
  

   Opomyzidae, 
  557 
  

   Orbiniidae, 
  207 
  (table), 
  213, 
  278, 
  283 
  

  

  (figs.) 
  

   orientalis, 
  Asabellides, 
  318 
  

   ornata, 
  Monohelea, 
  137, 
  139, 
  146 
  (fig.) 
  

  

  Monohelea 
  (Monohelea, 
  144 
  

   ornamentatus, 
  Idanthyrsus, 
  308 
  

   ornata, 
  Proceraea 
  '^Stephanosyllis, 
  246 
  

  

  Stephanosyllis, 
  246 
  

   ornatifrons, 
  Fulvius, 
  626 
  (fig.), 
  631 
  

   ornatus, 
  Anchastelater, 
  602 
  

   Autolytus, 
  244 
  

   Diploconus, 
  616 
  

   Tremarctos, 
  475 
  

   Orocharis 
  gryllodes, 
  24 
  

   saltator, 
  22, 
  23, 
  24 
  

   sp., 
  22, 
  23, 
  24, 
  25, 
  32 
  

   osborni, 
  Trigonias, 
  425, 
  430 
  

  

  