﻿10 
  On 
  some 
  Copepoda 
  from 
  the 
  Falkland 
  Islands. 
  

  

  form 
  under 
  consideration 
  the 
  antennules 
  (fig. 
  8) 
  consist 
  of 
  

   eleven 
  joints, 
  the 
  proportional 
  lengtlis 
  of 
  which 
  are, 
  approxi- 
  

   mately, 
  as 
  shown 
  in 
  the 
  formula 
  appended 
  : 
  — 
  

  

  Number 
  of 
  the 
  j 
  oiiits 
  . 
  . 
  1 
  2 
  3 
  4 
  5 
  6 
  7 
  8 
  9 
  10 
  11 
  

   Proportional 
  lengths 
  . 
  . 
  2U 
  . 
  d 
  . 
  12 
  . 
  5 
  . 
  4 
  . 
  7 
  . 
  13 
  . 
  11 
  . 
  6 
  . 
  8 
  . 
  11* 
  

  

  In 
  the 
  fifth 
  pair 
  of 
  thoracic 
  legs 
  the 
  basal 
  joint 
  is 
  mode- 
  

   rately 
  short 
  and 
  broad 
  and 
  carries 
  a 
  long 
  seta 
  on 
  its 
  outer 
  

   distal 
  angle, 
  the 
  second 
  joint 
  is 
  small 
  and 
  is 
  furnished 
  at 
  the 
  

   apex 
  with 
  a 
  long 
  seta 
  and 
  a 
  short 
  spine 
  (PL 
  I. 
  fig. 
  3) 
  ; 
  a 
  

   considerable 
  space 
  occurs 
  between 
  the 
  seta 
  at 
  the 
  distal 
  

   angle 
  of 
  the 
  basal 
  joint 
  and 
  the 
  point 
  of 
  attachment 
  of 
  the 
  

   second 
  joint, 
  as 
  shown 
  in 
  the 
  figure. 
  The 
  caudal 
  segments 
  

   are 
  fully 
  twice 
  as 
  long 
  as 
  the 
  last 
  segment 
  of 
  the 
  abdomen 
  

   (PL 
  II. 
  fig. 
  9). 
  

  

  Some 
  of 
  the 
  Literature 
  referred 
  to 
  in 
  the 
  Text. 
  

  

  (i) 
  1875. 
  Brady, 
  G. 
  S. 
  Ann. 
  & 
  Mag. 
  Nat. 
  Hist. 
  ser. 
  4, 
  vol. 
  xvi. 
  

   Describes 
  Centropages 
  hrevicmtdatvs 
  from 
  Kerguelen 
  Island. 
  

  

  (2) 
  1905. 
  Ekman, 
  Sven. 
  Schwedisclie 
  Sudpolar-Exped. 
  1901-1903, 
  

  

  Bd. 
  V. 
  Lieferung 
  4. 
  " 
  Cladocereu 
  u. 
  Copepoden 
  aus 
  Antarkt. 
  u. 
  

   subautarkt. 
  Binnengewassern. 
  

  

  (3) 
  1905. 
  . 
  " 
  Die 
  Systematik 
  iind 
  Synonyinik 
  der 
  Copepoden- 
  

  

  gattung 
  Boeckella 
  iiud 
  verwandter 
  Gattungen." 
  Zool. 
  Anzeiger, 
  

   Bd. 
  XXIX. 
  Nr. 
  19. 
  

  

  (4) 
  1889. 
  GuERNE, 
  Jules 
  de, 
  et 
  Jules 
  Eichard. 
  " 
  Iv(5vision 
  des 
  

  

  Calanides 
  d'eau 
  douce." 
  Memoires 
  Soc. 
  Zool. 
  de 
  France, 
  tome 
  ii. 
  

  

  (5) 
  1901. 
  Mrazek, 
  Al. 
  "Hamburger 
  Magalhtenische 
  Sammelreise." 
  

  

  Siisswasser- 
  Copepoden. 
  

  

  (6) 
  1895. 
  PoppE, 
  S. 
  A., 
  und 
  Mrazek, 
  Al. 
  " 
  Entomostraken 
  des 
  

  

  Naturhistorischeu 
  Museums 
  in 
  Hamburg 
  (2, 
  Entomost. 
  v. 
  Sud- 
  

   Georgien)." 
  Jahrb. 
  d. 
  Hamb. 
  wissensch. 
  Anstalteii, 
  xii. 
  Beiheft. 
  

  

  (7) 
  1897. 
  Richard, 
  Jules. 
  " 
  Eutomostraca 
  de 
  la 
  I'Amerique 
  du 
  

  

  sud." 
  Memoires 
  Soc. 
  Zool. 
  de 
  France, 
  tome 
  x. 
  pp. 
  263-302. 
  

  

  (8) 
  1897. 
  . 
  " 
  Sur 
  quelques 
  EntomostraCi?s 
  d'eau 
  douce 
  de 
  envi- 
  

  

  rons 
  de 
  Buenos 
  Aires." 
  Anales 
  del 
  Museo 
  Nacional 
  de 
  Buenos 
  

   Aires, 
  torao 
  v. 
  

  

  (9) 
  1894. 
  Saks, 
  G. 
  O. 
  '• 
  Contributivius 
  to 
  the 
  Knowledge 
  of 
  the 
  Fresh- 
  

  

  water 
  Entomostraca 
  of 
  New 
  Zealand, 
  as 
  shown 
  by 
  Artificial 
  

   Hatcbino' 
  from 
  Dried 
  Mud." 
  Yid. 
  Selsk. 
  Skrif. 
  i. 
  Math.-Natur. 
  

   Klasse, 
  No. 
  5. 
  

  

  (10) 
  1901. 
  . 
  " 
  Contributions 
  to 
  the 
  Knowledge 
  of 
  the 
  Freshwater 
  

  

  Entomostraca 
  of 
  South 
  America, 
  assliown 
  from 
  Artificial 
  Hatching 
  

   from 
  Dried 
  Material." 
  Arcliiv 
  for 
  Mathematik 
  og 
  Naturvidenskab. 
  

   B. 
  xxiv. 
  Nr. 
  1. 
  

  

  (11) 
  1903. 
  . 
  "Pacifische 
  Plankton-Crustaceen." 
  Zool. 
  Jahr- 
  

  

  bUchern, 
  Bd. 
  19, 
  Abth. 
  f. 
  Syst. 
  

  

  (12) 
  1908. 
  . 
  " 
  Freshwater 
  Entomostraca 
  from 
  Victoria, 
  Southern 
  

  

  Australia." 
  Archiv 
  for 
  Mathematik 
  og 
  Naturvidenskab. 
  B. 
  xxix. 
  

   Nr. 
  7. 
  

  

  