﻿PLATE 
  XV. 
  

  

  Polycheles 
  helleri 
  (p. 
  138). 
  

  

  (Peniacheles 
  helleri 
  on 
  Plate.) 
  

  

  Fig. 
  1. 
  Anterior 
  portion 
  of 
  the 
  dorsal 
  surface 
  of 
  the 
  cephalon, 
  showing 
  the 
  ophthal- 
  

  

  mopoda 
  and 
  both 
  pairs 
  of 
  antennae 
  (b, 
  c). 
  

  

  Pentacheles 
  ohscura 
  (p. 
  143). 
  

   „ 
  2, 
  $. 
  Dorsal 
  aspect 
  of 
  the 
  female 
  ; 
  enlarged 
  twice. 
  

   „ 
  2p. 
  Pleon 
  ; 
  lateral 
  view. 
  

   „ 
  2o, 
  ? 
  . 
  Posterior 
  pereiopod, 
  chelate 
  in 
  female. 
  

  

  Stereomastis 
  suhmi 
  (p. 
  1 
  5 
  4). 
  

   {PentacheleH 
  suhmi 
  on 
  Plate.) 
  

  

  „ 
  3c. 
  Dorsal 
  view 
  of 
  the 
  animal, 
  male 
  ; 
  enlarged 
  twice. 
  

  

  „ 
  3c. 
  Lateral 
  half 
  of 
  the 
  anterior 
  dorsal 
  portion 
  of 
  cephalon, 
  showing 
  ocular 
  notch, 
  

   ophthalmopod 
  (a), 
  and 
  first 
  aiitenna 
  (&). 
  

  

  ,, 
  3c. 
  First 
  antenna. 
  

  

  ,, 
  3o, 
  J 
  . 
  Posterior 
  pereiopod 
  of 
  male, 
  showing 
  elongation 
  of 
  the 
  vas 
  deferens. 
  

  

  ,, 
  4. 
  Lateral 
  ^'iew 
  of 
  the 
  same 
  animal. 
  

  

  Pentacheles 
  lievis 
  (p. 
  144). 
  

  

  ,, 
  4c. 
  Anterior 
  portion 
  of 
  cephalon 
  ; 
  dorsal 
  surface, 
  showing 
  ocular 
  notch 
  with 
  

   ophthalmopod. 
  

  

  ,, 
  5 
  ? 
  . 
  Dorsal 
  view 
  of 
  female 
  ; 
  enlarged 
  twice. 
  

  

  „ 
  5p. 
  Pleon; 
  lateral 
  view. 
  

  

  ,, 
  bo, 
  ?. 
  Posterior 
  pair 
  of 
  pleopoda 
  in 
  female. 
  

  

  