.Supplement to " The Emu." 7 



Total length 10.5 inches ; under wing white. 



P. assimilis (Allied Petrel). 



32. Shank compressed, with sharp front edge . . . . • • 33 

 Shank normal, rounded on front edge . . . . . . 34 



33. Plumage greyish-brown ; 12 tail feathers. 



Priofiniis cinereus (Brown Petrel). 

 Forehead and under surface white ; 14 tail feathers. 



Priocella glacialoidcs (Silvery-grey Petrel). 



34. Upper and under surfaces similar sooty-black ; bill long, stout, 



not dark. Majaqueus. 35 



Bill stout, black, hook large. OEstrelata. 36 



35. Chin and band over crown white. 



M. cequinoctialis (Spectacled Petrel). 

 Plumage sooty-black throughout. M. parkinsoni (Black Petrel). 



36. Under surface sooty . . . . . . . . • • 37 



Under surface light . . . . . . . . . . 38 



37. Plumage sooty-brown. (E. rnacroptera (Great-winged Petrel). 

 Plumage greyish-sooty. (E. solandri (Brown-headed Petrel). 



38. Face and forehead white . . . . . . . . • • 39 



Face and foi-ehead like upper surface . . . . . . 41 



39. Whole head white, except eye. (E. lessoni (White-headed Petrel). 

 Face, forehead, and under surface white . . . . . . 40 



40. Upper surface dark slaty-black. 



(E. leucoptera (White-winged Petrel). 

 Upper surface greyish-black ; crown much darker than back. 



(E. cooki (Cook Petrel). 



41. Throat white : wing 10.3 inches ; tarsus 1.4 inches. 



(E. mollis (Soft-plumaged Petrel). 

 Throat dark like back ; wing 11 inches ; tarsus 1.75 inches. 



(E. rostrata (Peale Petrel). 



42. Wing 4.7 inches ; nostrils opening upward. 



Pelecanoides urinatrix (Diving Petrel). 

 Wing 20 inches or more ; nostrils opening forward. Albatrosses. 43 



43. Plumage sooty ; tail long, wedge-shaped ; bill black. 



Phccbetria fidiginosa (Sooty Albatross). 



Plumage light coloured ; tail short, rounded . . . . 44 



44. Side of bill without furrow. Diomedea. 45 

 Side of bill with deep furrow. Thalassogeron. 47 



45. Head white (crown and back sooty in 3/outh) . . . . . . 46 



Head buff (young all sooty-brown with chin paler) ; wing 22 inches. 



D. albatrus (Short-tailed Albatross). 



46. Middle of back white in age (sooty in young, which has forehead and 



face white) ; wing 25 inches. 



D. exidans (Wandering Albatross). 

 Middle of back slaty-black ; wing 20 inches. 



D. melanophrys (Black-browed Albatross). 



47. Lores not much darker than crown ; bill boldly coloured yellow 



and black . . . . . . . . . . . . 48 



Lores greyish-black : bill pale colour. 



T. cautiis (White-capped Albatross). 



