40 Aves 
III. AVES. 
Order POD1CIPEDIDIFORMES. 
The walking-powers of Grebes ; Finn, Bull. B. 0. C. xiv, p. 33. 
Order COLYMBlFOIiMES. 
Colymbus septentrionalis, incubation ; Goebel, Ornith. Jahrb. xiv, p. 94 : 
C. glacialis , in the island of Coll in July ; Irby, Ann. Scott. Nat. 
Hist. 1903, p. 244 : Bisshopp, t. c. p. 246. 
Order HESPERORNITHIFORMES. 
Hesperornis gracilis , notes on ; Lucas, P. U. S. Mus. xxv, pp. 545-552, 
figg. 1-4 : type of Hargeria , n. g. ; Lucas, op. cit. xxvi, p. 552. 
Baptornis advenus , note on ; id. t. c. pp. 553-555, figg. 6-8. 
Order PROCELLARIIFORMES. 
Procellariidce of Hawaii ; Perkins, Fauna Hawaiiensis i, pp. 462 & 463. 
Cymochorea leucorrhoa , in Somerset ; Read, Zoologist 1904, p. 29. 
Oceanodroma melania and 0. socorroensis, nesting habits ; Grinnell & 
Daggett, Auk xx, pp. 30-32 : a correction ; Brewster, t. c. pp. 63 & 
6 ^ 
Pujfinus griseus , in Stromness harbour ; Clarke, Ann. Scott. Nat. Hist. 
1903, pp. 25 & 26 : in the Firth of Forth ; Evans, t. c. pp. 26-28. 
Buliveria bidweri in Sussex ; Ticehurst, Bull. B. O. C. xiii, p. 51. 
Diomedeidce of Hawaii ; Perkins, Fauna Hawaiiensis i, pp. 463 & 464. 
Diomedea nigripes and D. albatrus in the North Pacific Ocean ; Barrett- 
Hamilton, Ibis 1903, pp. 320-324. 
Thalassogeron carteri , n. sp., Point Cloates, N.W. Australia ; Rothschild, 
Bull. B. O. C. xiv, p. 6. 
Order ALCIFORMES. 
Alle alle, on Long Island, N. Y. ; Burtis, Auk xx, p. 209. 
Uria troile , note on ; Warren, Zoologist 1903, p. 194 : Saxby, t. c. 
pp. 230 & 231 : Tuck, t. c. pp. 275 & 276 : U. troile calif ornica, note 
on ; Reading, Condor v, p. 123 cum fig. 
Cepphus columba , note on ; id. t. c. p. 127 cum fig. 
Ptychoramphus alcuticus , notes on ; Robertson, t. c. pp. 96 & 97. 
Lunda cirrhata , note on ; Reading, t. c. p. 122 cum fig. 
Order LARIFORMES. 
Lai'idce of Central America ; Godman, Biol. Centr.-Amer. Aves iii, 
pp. 397-424. 
Laridce of Hawaii ; Perkins, Fauna Hawaiiensis i, pp. 464 & 465. 
Hydrockelidon nigra , in the Isle of Man; Ralfe, Zoologist 1903, pp. 460 & 
461 : in Cheshire ; Oldham, t. c. p. 393 : H. nigra surinamensis , in 
Nova Scotia ; Dwight, Auk xx, p. 440. 
Sterna caspia, breeding in Pomerania ; Nehring, Ornith. Monber. xi, 
pp. 165 & 166 ; S. hirundo , at San Francisco ; Littlejohn, Condor v, 
p. 81. 
S. zimmermanni , n. sp., Riautschou, China ; Reichenow, Ornith. Monber. 
xi, p. 82. 
S. fuliginosa , note on the species at Oyster Bay ; Cornwall, Emu iii, 
pp. 45-47, pi. iv. 
