﻿LIST 
  OF 
  ILLUSTRATIONS. 
  

  

  Page. 
  

   Report 
  of 
  Special 
  Lobster 
  and 
  Clam 
  Commission: 
  

  

  vZel. 
  (1) 
  Method 
  of 
  stripping 
  eggs 
  from 
  a 
  lobster. 
  (2) 
  Improved 
  arrangement 
  for 
  hatch- 
  ^^^ 
  

  

  ing 
  lobster 
  eggs 
  and 
  holding 
  fry 
  

  

  ' 
  " 
  "'lode 
  Island 
  commission 
  oi 
  luiiiim 
  i'loiicnco 
  c. 
  

  

  1(50 
  

  

  II. 
  (1) 
  Floating 
  laboratory 
  of 
  the 
  Rhode 
  Island 
  Commission 
  of 
  Inland 
  Fisheries 
  at 
  

  

  Wickford 
  R 
  I 
  (2) 
  Rearing 
  plant 
  used 
  in 
  experiments 
  at 
  Woods 
  Hole 
  

  

  ) 
  Interior 
  of 
  engine 
  room 
  of 
  plant 
  used 
  at 
  Woods 
  Hole. 
  (2) 
  View 
  of 
  rearing 
  

   plant 
  at 
  Woods 
  Hole, 
  showing 
  method 
  of 
  transmitting 
  power 
  to 
  the 
  fans 
  104 
  

  

  IV 
  (1-6) 
  Diatoms 
  growing 
  on 
  lobster 
  fry 
  of 
  different 
  stages 
  

   v" 
  1-4 
  Diatoms 
  growing 
  on 
  lobster 
  fry 
  of 
  different 
  stages. 
  (5) 
  Copepod 
  Corj/nwra 
  

   bampusii 
  Wheeler 
  covered 
  with 
  diatom 
  Licmophora 
  tincta 
  Grunow. 
  (6) 
  \oung 
  

   ■ 
  Limidus 
  Polyphemus 
  Linnsus 
  covered 
  with 
  diatom 
  Licmophora 
  tincta 
  Grunow 
  .... 
  i 
  ^b 
  

  

  VI. 
  ( 
  1-5) 
  Fungus 
  infesting 
  lobster 
  fry 
  

  

  VII 
  (1) 
  Artificial 
  clam 
  bed. 
  (2) 
  Surface 
  of 
  artificial 
  clam 
  bed 
  ^^^ 
  

  

  VIII 
  (1-3) 
  Showing 
  sizes 
  of 
  clams 
  from 
  bed 
  at 
  West 
  Falmouth, 
  Mass 
  - 
  - 
  - 
  •■•■-- 
  

  

  ix' 
  6 
  7) 
  Showing 
  sizes 
  of 
  clams 
  from 
  bed 
  at 
  West 
  Falmouth, 
  Mass. 
  (8) 
  Showing 
  

  

  increase 
  in 
  volume 
  after 
  one 
  year 
  of 
  clams 
  from 
  experimental 
  bed 
  with 
  practi- 
  ^^^ 
  

  

  cally 
  no 
  current 
  ■•■• 
  ; 
  " 
  ^ 
  

  

  X 
  ( 
  9 
  10) 
  Clams 
  from 
  experimental 
  bed 
  with 
  more 
  marked 
  current 
  ^^" 
  

  

  Text 
  figures: 
  Diagram 
  of 
  apparatus 
  used 
  in 
  hatching 
  and 
  rearing 
  lobsters 
  JW 
  

  

  Diagram 
  of 
  beds 
  of 
  young 
  clams 
  at 
  West 
  Falmouth, 
  Mass 
  -»-i 
  

  

  North 
  Carolina 
  Oyster 
  Investigations: 
  v,^,„ir,<r 
  tnH<= 
  om 
  

  

  Plate 
  I 
  (1) 
  Oyster 
  cannery 
  at 
  Beaufort. 
  (2) 
  Unloading 
  oysters 
  at 
  a 
  cannery, 
  showing 
  tubs. 
  249 
  

   II 
  1 
  L^ekiln 
  Roek, 
  Newport 
  River, 
  a 
  typical 
  oyster 
  reef. 
  (2) 
  A 
  section 
  of 
  the 
  sur- 
  

   face 
  of 
  Limekiln 
  Rock, 
  showing 
  mussels 
  between 
  the 
  "coon" 
  oysters. 
  ........... 
  

  

  III. 
  (1) 
  Turtle 
  Rock. 
  Newport 
  River, 
  showing 
  a 
  section 
  of 
  tongmg 
  area. 
  (2) 
  A 
  typical 
  ^^^ 
  - 
  

  

  tong 
  boat, 
  showing 
  tongmen 
  at 
  work 
  - 
  ■ 
  • 
  ■ 
  • 
  " 
  

  

  IV 
  (1) 
  Tong 
  boats 
  in 
  port. 
  (2) 
  A 
  ■ 
  ' 
  buy 
  boat 
  ' 
  ' 
  anchored 
  to 
  buy 
  oysters 
  from 
  the 
  tongers 
  268 
  

   v'. 
  (1) 
  Windrows 
  of 
  shells 
  and 
  sand 
  on 
  the 
  marshy 
  shore 
  at 
  Shell 
  Point, 
  Hyde 
  County. 
  

  

  (2) 
  Musseled 
  oysters 
  from 
  Swan 
  Quarter 
  Bay 
  

  

  VI. 
  (1) 
  A 
  dredging 
  vessel 
  at 
  work, 
  Pamlico 
  Sound. 
  (2) 
  A 
  "dredger 
  " 
  showing 
  dredges 
  ^^^ 
  

  

  VII. 
  (irO^sTer 
  wi"th 
  "right" 
  "shell" 
  "and 
  " 
  mantle 
  "removed. 
  (2) 
  Diagram 
  to 
  show 
  sexual 
  ^^_ 
  

  

  organs 
  of 
  the 
  oyster 
  g.,j^ 
  

  

  VIII 
  ( 
  l-iS) 
  Showing 
  development 
  of 
  embryo 
  of 
  oyster 
  • 
  ■ 
  • 
  ■ 
  

  

  IX.' 
  (1) 
  View 
  of 
  right 
  side 
  of 
  embryo 
  about 
  6 
  days 
  old. 
  (2) 
  Older 
  larva 
  of 
  European 
  

  

  oyster. 
  (3) 
  Attached 
  spat 
  of 
  Ostreavirginica 
  - 
  

  

  X. 
  (1,2) 
  Showing 
  results 
  of 
  experiments 
  on 
  growth 
  of 
  oysters 
  ^^^ 
  

  

  XI. 
  O 
  vster 
  chart 
  of 
  Newport 
  and 
  North 
  rivers 
  7 
  " 
  V 
  V/ 
  ■"/"".' 
  I' 
  ',1,7^1 
  

  

  Text 
  figures: 
  Scheme 
  illustrating 
  conditions 
  near 
  an 
  oyster 
  reef 
  and 
  the 
  steps 
  by 
  ^^ 
  hich 
  ^^^ 
  

  

  a 
  reef 
  may 
  be 
  formed 
  i 
  Vt" 
  'V 
  V. 
  

  

  Outline 
  drawings 
  of 
  the 
  principal 
  constituents 
  of 
  the 
  food 
  of 
  North 
  Caro- 
  ^^ 
  

  

  lina 
  oysters 
  "„„ 
  

  

  Chart 
  of 
  experimental 
  oyster 
  bed 
  in 
  North 
  River 
  . 
  

  

  Chart 
  of 
  experimental 
  oyster 
  bed 
  in 
  Newport 
  River 
  

  

  t,u..x..,. 
  301 
  

  

  Diagram 
  of 
  digestive 
  organs 
  of 
  the 
  oyster 
  

  

  5I0L0GICAL 
  RELATIOX 
  OF 
  AQUATIC 
  PLANTS 
  TO 
  THE 
  SUBSTRATUM. 
  

  

  Text 
  figure 
  1 
  . 
  Vallisnena 
  sjni-alis 
  after 
  7 
  weeks' 
  growth 
  rooted 
  in 
  lake 
  soil 
  ^yo 
  

  

  2. 
  ValUmeria 
  spiralis 
  after 
  7 
  weeks' 
  growth 
  rooted 
  in 
  gravel 
  ««& 
  

  

  3 
  Vallisneria 
  spiralis 
  after 
  6^ 
  weeks' 
  growth 
  in 
  loamy 
  soil 
  '^J^ 
  

  

  4. 
  Vallisneria 
  sinralis 
  after 
  5^ 
  weeks' 
  growth 
  in 
  sandy 
  soil 
  aiJb 
  

  

  5 
  Vallisneria 
  spiralis 
  after 
  5^ 
  weeks' 
  growth 
  in 
  clay 
  soil 
  -^Ob 
  

  

  6. 
  Apparatus 
  for 
  measuring 
  root 
  absorption 
  

  

  V 
  

  

  