ORNITHOLOGY OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 



EXPLANATION OF PLATES. 



PLATE I. 



The young of the Ringed Penguin (Pygoscelis antardica), showing the two stages in down. Painted by 

 H. Goodchild. 



PLATE II. 



Fig. 1. The young of the Snowy Petrel (Patjodroma nivea). 

 Fig. 2. The young of the Sheathbill (Chionis alba). 



Painted by H. Goodchild. 



PLATE III. 



Fig. 1. Wilson Petrel (Oceanites oceanicus) on nest, with egg. 

 Fig. 2. Cape Pigeons (Daption capensis) preparing- to nest. 

 Fig. 3. Young of the Antarctic Skua (Megalestris antardica). 

 Fig. 4. Nest and eggs of the Southern Black-backed Gull (Larus dominicanus). 



Photographs by J. H. H. Pirie. 



PLATE IV. 



Fig. 1. Tracks of Black-throated Penguin (Pygoscelis adelise). Photo by J. H. H. Pirie. 

 Fig. 2. Black-throated Penguin building its nest (P. adeiite). 

 Fig. 3. Gentoo Penguin (P. papua) sitting tight on its eggs after a blizzard. 

 Fig. 4. Ringed Penguins (P. antardica) at th'eir rookery on Saddle Island. 



Photographs by R. N. R. Brown. 



PLATE V. 



Two new species of Buntings taken at Gough Island. 

 Fig. 1. Nesospizajessix. 

 Fig. 2. N. goughenti*. 



Painted by H. Goodchild. 



PLATE VI. 

 Eggs of Antarctic birds in natural colour, and reduced to four-fifths their natural size. 



Fig. 1. 3fegalestri.< antarctita, Antarctic Skua, taken at the South Orkneys on ] 1th December 1903: 

 Scotia collections. Egg number 4 : length = 76 mm., weight = 1720 grains. Vide original Log, p. 35. 



Fig. 2. M. antardica, taken at the South Orkneys on 2nd December 1903 ; Scotia collections. Egg 

 number la: length = 74 mm., weight = 1524'7 grains. 



Fig. 3. M. maccormitlii. McCormick's Skua, taken in Victoria Land by Shackletou Expedition, 

 1907-09, per Dr Forbes Mackay. Length = 78 mm. 



Fig. 4. Larus dominicanus, Dominican Gull or Southern Black-backed Gull, taken at South Orkneys: 

 Scotia collections. Length = 70 mm., average weight = 1519'3 grains. 



Fig. 5. L. dominicanus, taken at the South Orkneys; Scotia collections. Actual length =71 in in., 

 average weight = 1519'3 grains. 



Fig. 6. M. maccormicki, taken in Victoria Land by Shackleton Expedition, 190709 ; per Dr A. 

 Forbes Mackay. 



Fig. 7. Chionis alba, the Sheathbill or Paddy, taken at the South Orkneys; Scotia collections. 

 Length = 56 mm. 



Fig. 8. C. alba, taken at South Orkneys on 18th December 1903 ; Scotia collections. Length = 55 mm., 

 weight = 615 grain.?. Vide Log, p. 36. 



Fig. 9. Sterna hirundinacea, the White-rumped Tern, taken at South Orkneys on 12th December 1903; 

 Scotia collections. 



The numbers 1 to 9 read from left to right in each row. 



