61 Avea. 
Titles. 
5800 
Wilson, R. W. S. Notes on Richard- 
son’s Skua ( Stercorarius crepidatus). 
Glasgow Trans. Nat. Hist. Soc. 8 1911 
(235-237). 1503 
Winge, H. Fuglene ved de danske 
Fyr in 1910. 2i5de Aarsberetning om 
danske Fugle. [ The birds at the Danish 
lighthouses in 1910. 28th annual 
report.] Kpbenhavn Nath. Medd. 63 
1911(113-193) 1 chart. 1504 
Witherby, II. F. On the British and 
other subspecies of Garrulus glandarius. 
London Bull. Bt. Orn. Cl. 27' 191 1 (95- 
96). 1505 
Witherby, II. F. Northern Bullfinch 
in Yorkshire. Brit. Birds London 4 
1911 (250). 1506 
Witherby, II. F. The Northern Great 
Spotted Woodpecker as a British Bird. 
Brit. Birds London 4 1911 (286 -287). 
1507 
Witherby, H. F. Brown-backed 
Warblers, not Grey-backed Warblers, in 
Sussex find Kent. Brit. Birds London 
-4 1911 (310-311). 1508 
Witherby, H. F. The Crossbill as a 
British bird. Brit. Birds London 4 1911 
(332-334). 1509 
Witherby, II. F. The Northern and 
Central European Crested-Tits as British 
Birds. Brit. Birds London 5 1911 
(109-110). 1510 
Witherby, II. F. and Alexander, O. J. 
The 1909 irruption of the Crossbill as 
observed in the British Isles. Brit. 
Birds London 4 1911 (326-331). 1511 
W[itherby], II. F. and others. Re- 
covery of marked birds. Brit. Birds 
London 4 1911 (240-241 279-282 
335-336) 5 (56-58 126-130 163-164 
186-188). 1512 
Witherby, II. F. andHartert, E. The 
Irish Jay, Oar rulua glandarius hibernicus 
subsp. n. Brit. Birds London 4 1911 
(234-235). 1513 
Witherby, II. F. and Ogilvie-Grant, 
W. R. Abnormal plumage in Tetrao 
tetrix. London Bull. Bt. Orn. Cl. 27 
1911. (79-81). 1514 
Witherby, II. F. vide Ticehurst. 
Witty, H. White-tailed Eagle on 
Hacknesp Moor, near Scarboro’. Natura- 
list London 1911 (237). 1515 
Witzlsteiner, P. Ein Beitrag zur 
Psychologie der Vogel. Zs. Oologie 
Goslar 21 1911 (42-44). 1516 
Wolda, G. vide Ritzema. 
Wood, C. A. The eyes and eyesight 
of birds, with especial reference to the 
appearances of the fundus oculi. 
Ophthalmology Milwaukee Wis. 3 1907 
(377-398) 2 pis. 1517 
Wood, J. Bird notes from East 
London, Cape Province. Pt. 1. Pretoria 
Journ. S Afric. Ornithol. Union 7 1911 
(80-89). 1518 
Wood, J. C. The warblers in Wayne 
county, Michigan, in 1909. Auk Cam- 
bridge Mass. 28 1911 (19-25). 1519 
Wood, J. C. A now breeding record 
for Wayne county, Michigan. Auk 
Cambridge Mass. 28 1911 (269-270). 
1520 
Wood, N. A. The results of the 
Mershon expedition to the Charity 
islands, Lake Huron. Wilson Bull. 
Oberlin Ohio 23 1911 (78-112) map. 
1521 
Wood, N. A. and Gaige, F. Birds in : 
Ruth ven, A. G. and others. A biologi- 
cal survey of the sand dune region on 
the south shore of Saginaw bay, 
Michigan. Michigan Geol. Biol. Surv. 
Pub. Biol. Ser. 2 1911 (273-307) pis. 
xviii-xix. 1522 
Worcester, D. C. Newly discovered 
breeding places of Philippine sea-birds. 
Hybridism among Boobies. Philippine 
J. Sci. Manila P.l. 6 D 1911 (167-182) 
9 pis. 1523 
Worthington, W. W. vide Todd. 
Wright, II. W. The Evening Gros- 
beak at Boston, Mass. Auk Cambridge 
Mass. 28 1911 (113-114). 1524 
Wright, II. W. A Blue-gray Gnat- 
catcher in Brooklino and Boston, Mass. 
Auk Cambridge Mass. 28 1911 (117- 
118). 1525 
Wright, A. II. Other early records 
of the Passenger Pigeon. Auk Cam- 
bridge Mass. 28 1911 (346-365 427- 
449). 1526 
Wyman, L. E. Harris’s Sparrow 
(Zonolrichia quevula ) in southern Idaho, 
Auk Cambridge Mass. 28 1911 (267- 
268). 1527 
Zarudnyj, N. A. vide Sarudny. 
