ORNITHOLOGY OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 



EXPLANATION OF PLATES. 



I' I, ATE I. 



The young of the Ringed Penguin (Pi/ijoscelis antarctica), showing the two stages in down. Painted by 

 H. Goodchild. 



PLATE II. 



Fig. 1. The young of the Snowy Petrel (P(i : /",/r<nna nivea). 

 Fig. 2. The young of the Sheathhill (Chioni* n/f>a). 



Painted by H. Goodchild. 



PLATE III. 



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

 Fig. 2. Cape Pigeons (JJii/itimi capensis) preparing to nest. 

 Fig. 3. Young of the Antarctic Skua (Megalestris <nitur<'ti?a). 

 Fig. 4. Nest and eggs of the Southern Black-backed Cull (/,/.< dominicanm), 



Photographs by J. H. H. Pirie. 



PLATE IV. 



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

 Fig. 2. Black-throated Penguin building its nest (P. </.//,, ). 

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

 Fig. 4. Ringed Penguins (P. antai-r/ii-n) at their rookery on Saddle Island. 



Photographs by R. N. R. Brown. 



PLATE V. 



Two new species of Buntings taken at Gough Island. 

 Fig. 1. Nesospiza jessiss. 

 Fig. 2. N. gouf)l>en*i.<. 



Painted by H. Goodchild. 



^^H PI-ATE VI. 



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



Fig. 1. Megalestris antun'tift, Antarctic Skua, taken at the South Orkneys on llth December 1903: 

 Scotia collections. Egg number 4 : length = "6 mm., weight = 1720 grains. Vii/e original Log, p. 35. 



Fig. 2. M. iinfari't/i-ct, taken at the South Orkneys on 2nd December 1903 ; Scotia collections. Egg 

 number In: length = 74 mm., weight = 1 524*7 grains. 



Fig. 3. M. iinvoi-uni'lii. McCormick's Skua, taken in Victoria Land by Shackleton Expedition, 

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



Fig. 4. Larus dominii-imit*, Dominican Gull or Southern Black-backed (lull, taken at South Orkn< 

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



Fig. 5. L. Joiiiinii-aint.i, taken at the South Orkneys; Scotia collections. Actual length =71 mm., 

 average weight = 1519'3 grains. 



Fig. 6. M. macwrmii-ki, taken in Victoria I, and by Shackleton Expedition, 1907-09 ; per Dr A. 

 Forbes Mackay. 



Fig. 7. Cliionis all<a. the Sheathbill or Paddy, taken at tin- South Orkney.-: S,-,,tia collections. 

 Length = 56 mm. 



Fig. 8. C. nlli'i, taken at South ( >rkneys on 18th ] ecember 1903 ; Scoti collections. Length = 55 mm., 

 weight = 615 grains. IV'/r Log, p. 36. 



Fig. 9. Slerim h //.>(.//<(,,, the \Vhite-rumped Tern, taken at South Orkneys on 12th December 1903; 



collections. 



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



