﻿1^0. 
  30.] 
  37 
  

  

  ORDER 
  NATATORES. 
  

  

  FAMILY 
  ALCIDiE. 
  

  

  Zoology— 
  Part 
  II, 
  

   Mergulus 
  allej 
  Sea 
  Dove, 
  (male,) 
  p. 
  280 
  

  

  This 
  specimen 
  is 
  referred 
  to 
  by 
  De 
  Kay. 
  See 
  Zo- 
  

   ology, 
  part 
  II., 
  page 
  280. 
  

   Alca 
  torda, 
  Razorbill, 
  (male,) 
  --------- 
  283 
  

  

  FAMILY 
  COLYMBID^. 
  

  

  CoLYMBus 
  GLACiALis, 
  Great 
  Loon 
  or 
  Diver, 
  (m. 
  andf.,) 
  - 
  285 
  

   CoLYMBus 
  sEPTENTRioNALis, 
  Red-throatcd 
  Loon, 
  (fern.,) 
  - 
  286 
  

  

  FAMILY 
  PROCELLARIDiE. 
  

  

  Thalassidroma 
  wilsoni, 
  Wilson's 
  Petrel, 
  (male,) 
  - 
  - 
  - 
  290 
  

  

  FAMILY 
  PELECANIDiE. 
  

   SuLA 
  AMERICANA, 
  American 
  Gannet, 
  (male,) 
  ----- 
  295 
  

  

  FAMILY 
  LARID^. 
  

   Rhynchops 
  nigra, 
  Rlack 
  Skimmer, 
  (male,) 
  ----- 
  297 
  

  

  Sterna 
  hirundo, 
  Common 
  Tern, 
  (male,) 
  ------ 
  298 
  

  

  Sterna 
  cayana, 
  Cayenne 
  Tern, 
  (male,) 
  ------ 
  299 
  

  

  This 
  is 
  the 
  specimen 
  referred 
  to 
  and 
  described 
  by 
  

   De 
  Kay. 
  See 
  Zo., 
  Part 
  II., 
  page 
  299. 
  

   Sterna 
  nigra, 
  Black 
  Tern, 
  (male 
  and 
  young,) 
  - 
  - 
  - 
  - 
  300 
  

  

  Larus 
  ARGENTATus, 
  Winter 
  Gull, 
  (male 
  and 
  female,) 
  - 
  - 
  306 
  

   Larus 
  ATRiciLLA, 
  LaugMug 
  Gull, 
  (male,) 
  ----- 
  310 
  

  

  Larus 
  BONAPARTii, 
  Bonaparte's 
  Gull 
  J 
  (male 
  and 
  female,) 
  - 
  311 
  

   Larus 
  saeini. 
  Fork-tailed 
  Gull, 
  (male,) 
  ------ 
  312 
  

  

  This 
  is 
  the 
  specimen 
  described 
  by 
  De 
  Kay. 
  See 
  

   Zo., 
  Part 
  II., 
  page 
  312. 
  

   Lestris 
  buffoni 
  ? 
  Artie 
  Hawk-gull, 
  (male,) 
  ----- 
  314 
  

  

  Lestris 
  richardsonii, 
  Richardson's 
  Hawk-gull, 
  (male,) 
  - 
  315 
  

   This 
  specimen 
  is 
  referred 
  to 
  by 
  De 
  Kay. 
  See 
  Zo., 
  

   Part 
  II., 
  page 
  315. 
  

  

  