﻿ILLUSTRATIONS 
  

  

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  1. 
  Lower 
  side 
  of 
  head 
  of 
  Votylis 
  microi^pUus 
  (ri.wlcr) 
  and 
  of 
  (\ 
  

  

  nigripinnis 
  niyripinnifi 
  I'oters 
  64 
  

  

  2. 
  New 
  South 
  Aiuoiicau 
  FiilKoroidea 
  104 
  

  

  3. 
  South 
  American 
  Fulgoroidea 
  104 
  

  

  4-6. 
  The 
  pMius 
  FundcUa 
  114 
  

  

  7. 
  Cephalic 
  process 
  in 
  Phrictus 
  180 
  

  

  8. 
  Valvula 
  and 
  geuitalia 
  in 
  Phrivttis 
  180 
  

  

  0,10. 
  Species 
  of 
  Phrictus: 
  Dorsal 
  aspect 
  180 
  

  

  IL 
  Hyporhamphua 
  patris, 
  new 
  species 
  193 
  

  

  12. 
  Mounteil 
  skeleton 
  of 
  Crocodiliis 
  clavis 
  Cope 
  203 
  

  

  l.S. 
  Skull 
  and 
  k)wer 
  jaw 
  of 
  Crorodilus 
  clavis 
  Cope 
  203 
  

  

  1 
  1, 
  ir». 
  Skull 
  of 
  Crocodiliis 
  clavis 
  Cope 
  203 
  

  

  16. 
  I»isea.sed 
  dorsal 
  vertebrae 
  of 
  Crocodilns 
  sp 
  203 
  

  

  17. 
  Tail, 
  pelvis, 
  hind 
  linihs, 
  and 
  feet 
  of 
  Corythnsaurus 
  casuarius 
  Brown_ 
  203 
  

  

  18. 
  Skin 
  impre.ssions 
  of 
  Conjthosnunis 
  casuarius 
  Brown 
  203 
  

  

  19. 
  Restoration 
  of 
  Cori/thosaurus 
  casuarius 
  Brown 
  203 
  

  

  20. 
  IJchiurus 
  cchiurus 
  alaskanus, 
  new 
  subspecies 
  292 
  

  

  21. 
  Listriolobus 
  pelodes, 
  new 
  species, 
  and 
  Ochetostoma 
  octomyotum, 
  

  

  new 
  species 
  292 
  

  

  22. 
  Listriolobus 
  pelodes, 
  new 
  species 
  292 
  

  

  23, 
  24. 
  Ochetostoma 
  octomyotum, 
  new 
  species 
  292 
  

  

  2r». 
  Arhynchite 
  iuamoetius, 
  new 
  species 
  292 
  

  

  26, 
  27. 
  IloneUiopsis 
  aUiskatia, 
  new 
  genus 
  and 
  species 
  292 
  

  

  2S. 
  Euhonellia 
  ralida, 
  new 
  frenus 
  and 
  species 
  292 
  

  

  20, 
  ;}0. 
  Xellohid 
  cusoma, 
  new 
  genus 
  and 
  species 
  292 
  

  

  ;{1,32. 
  Acunttiohaminf/ia 
  paradola, 
  new 
  species 
  292 
  

  

  ^'.i-?,~). 
  Frechis 
  enupo 
  Fislier 
  and 
  MacClinitie 
  292 
  

  

  1^6. 
  Urechis 
  caupo, 
  F. 
  chilcnsis, 
  and 
  U. 
  unicinctua 
  292 
  

  

  37. 
  Frcchis 
  caupo 
  and 
  comniensals 
  292 
  

  

  38-41. 
  Tcstudo 
  praeextans 
  Lanibe 
  310 
  

  

  42,43. 
  Testudo 
  laticunea 
  Cope 
  310 
  

  

  44. 
  Testudo 
  f/uadrala 
  Cope; 
  Testudo 
  praeextans 
  Lambe 
  310 
  

  

  45-46. 
  Mnrhnrroidrs 
  cothen 
  Matthew 
  347 
  

  

  47. 
  Si>f'cies 
  of 
  Choetospila, 
  Thcocolax, 
  Cerocephala, 
  Acerocephala, 
  and 
  

  

  Theocolaxia 
  376 
  

  

  48. 
  Species 
  of 
  Thcocolax, 
  Cerocephala, 
  and 
  Acerocephala 
  376 
  

  

  40-.''>6. 
  Ichrienmon-flios 
  of 
  the 
  tribe 
  Ophionlnl 
  482 
  

  

  Ti:XT 
  FICTIRES 
  

  

  PnKo 
  

  

  1. 
  Distribution 
  of 
  the 
  forms 
  of 
  spidernionkeys 
  (Atcles) 
  In 
  South 
  Amer- 
  

  

  ica 
  (map) 
  12 
  

  

  2. 
  Distribution 
  of 
  the 
  forms 
  of 
  spider 
  monkeys 
  (Ateles) 
  in 
  Middle 
  

  

  America 
  (map) 
  14 
  

  

  3. 
  Holotype 
  of 
  Xmnmhassis 
  honcHsi, 
  new 
  species 
  119 
  

  

  4. 
  IIolotyi)e 
  of 
  Xctuimbassis 
  simoni, 
  new 
  speci»'H 
  121 
  

  

  f). 
  Diagranunatic 
  sketches 
  of 
  snout 
  and 
  lower 
  Jnw 
  of 
  Bairdiella 
  chrys- 
  

  

  ura 
  fLacep<>de), 
  Stellifer 
  rastrifer 
  (Jordan), 
  and 
  Ophiosdon 
  

  

  typicus 
  Cill 
  12.'» 
  

  

  6. 
  ITolotyi»e 
  f»f 
  Ophi'iscion 
  hrasilicnsis, 
  new 
  species 
  129 
  

  

  7. 
  Iliilotyjx' 
  of 
  (tjiliioscitni 
  rcnczurhic, 
  new 
  species 
  132 
  

  

  8. 
  JIololyp<' 
  of 
  Ojihi'iscioti 
  paunmcnsis, 
  new 
  species 
  13.'> 
  

  

  9. 
  Sketch 
  of 
  hearl 
  regions 
  of 
  Ifyporhamphus 
  and 
  Ifcmiramphwt 
  180 
  

  

  VII 
  

  

  