﻿694 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  Plate 
  LXVIII. 
  

  

  Fig. 
  1. 
  Parasiams 
  saffordi 
  Faxon. 
  Female. 
  Montevideo, 
  Uruguay. 
  Somewhat 
  

   enlarg.'d. 
  (No. 
  12581, 
  U.S.N.M.) 
  

   2. 
  The 
  same, 
  llight 
  claw, 
  from 
  the 
  ontside. 
  

  

  Plate 
  LXIX. 
  

  

  Fig. 
  1. 
  Parastacus 
  vaHcosu8Ya,^o\\. 
  Coliuia, 
  Mexico. 
  Slightly 
  enlarged. 
  (No. 
  4133, 
  

   U.S.N.M.) 
  

   2, 
  The 
  same. 
  Right 
  chela, 
  viewed 
  from 
  the 
  ontside. 
  Slightly 
  enlarged. 
  

  

  Plate 
  LXX. 
  

  

  Fig. 
  1. 
  Parastacus 
  hassleri 
  Faxon. 
  Talcahuano, 
  Chile. 
  Somewhat 
  reduced. 
  (No, 
  

   3401, 
  Mu8. 
  Comp. 
  Zool.) 
  

  

  2. 
  The 
  same. 
  Right 
  chela, 
  viewed 
  from 
  the 
  outside. 
  Somewhat 
  reduced. 
  

  

  3. 
  The 
  same. 
  Part 
  of 
  the 
  sternum, 
  showing 
  sexuTil 
  orifices 
  on 
  the 
  proximal 
  

  

  segments 
  of 
  the 
  third 
  and 
  fifth 
  pairs 
  of 
  legs. 
  

  

  4. 
  Parastacus 
  agassizii 
  Faxon. 
  Male. 
  Talcahuano, 
  Chile. 
  Somewhat 
  reduced. 
  

  

  (No. 
  3400, 
  Mus. 
  Comp. 
  Zool.) 
  

  

  5. 
  The 
  same. 
  Part 
  of 
  the 
  sternum, 
  showing 
  the 
  extended 
  rasa 
  deferentia 
  on 
  

  

  the 
  proximal 
  segments 
  of 
  the 
  fifth 
  pair 
  of 
  legs. 
  

  

  