﻿PLATE 
  XCIX. 
  

  

  Alpheus 
  rapax 
  (p. 
  552). 
  

   Fig. 
  1. 
  Lateral 
  view 
  ; 
  enlarged 
  twice. 
  

   „ 
  Ic. 
  Ceplialon 
  ; 
  h, 
  first 
  antenna, 
  left 
  side 
  ; 
  c, 
  second 
  antenna, 
  right 
  side. 
  

   „ 
  \l. 
  First 
  pereiopod 
  ; 
  larger 
  chela. 
  

  

  ,, 
  1^". 
  First 
  pereiopod 
  ; 
  showing 
  dactylos 
  and 
  poUex, 
  enlarged. 
  

   „ 
  Iz. 
  Telson. 
  

  

  Alpheus 
  ci^assimanus 
  (p. 
  554). 
  

   „ 
  2. 
  Lateral 
  view 
  ; 
  enlarged 
  twice. 
  

   „ 
  2h. 
  First 
  pereiopod 
  ; 
  larger 
  chela. 
  

  

  Alpheus 
  lievis 
  (p. 
  555). 
  

   „ 
  3. 
  Lateral 
  view 
  ; 
  enlarged 
  three 
  times. 
  

   „ 
  3c. 
  Cephalon, 
  with 
  first 
  and 
  second 
  antennae. 
  

   ,, 
  3c'. 
  Carapace, 
  showing 
  vessels 
  of 
  circulation. 
  

   „ 
  3Z:. 
  First 
  pereiopod 
  ; 
  larger 
  chela. 
  

  

  Alpheus 
  prolificus 
  {\). 
  55G). 
  

   „ 
  4. 
  Lateral 
  view 
  ; 
  enlarged 
  three 
  times. 
  

   „ 
  4c. 
  Cephalon, 
  with 
  first 
  and 
  second 
  antennae. 
  

   „ 
  Am. 
  Third 
  pereiopod. 
  

  

  