INTRODUCTION. VII 
the great auk, in this part, and a number of others to be published 
in subsequent parts. Rev. F. C. R. Jourdain has sent us a valuable 
lot of egg measurements collected from eggs in the British Museum 
and in other foreign collections. Mr. J, H. Fleming has carefully re- 
vised and made valuable additions to the distributional part. of the 
work. Miss Marie H. Manseau rendered much valuable assistance 
in the preliminary work of reading and indexing published matter 
and in copying manuscript. 
The following American collectors have sent measurements of eggs 
in their collections: G. A. Abbott, R. M. Barnes, J. L. Childs, W. L. 
Dawson, C. S. Day, D. R. Dickey, C. E, Doe, J. H. Flanagan, F. S. 
Hersey, A. B. Howell, A. M. Ingersoll, Lieut. G. R. Meyer, J. P. 
Norris, jr., L. G. Peyton, J. H. Riley, R. P. Sharples, J. E. Thayer, 
and F, C, Willard. 
A great mass of nesting data has been contributed by practically 
all of those in the foregoing list and the following: E. Arnold; Egbert 
Bagg; L. B. Bishop; B. S. Bowdish; J. H. Bowles; W. C. Bradbury; 
A. W. Brockway; D. E. Brown; F. L. Burns; E. A. Butler; V. 
Burtch; J. P. Callender; H. W. Carriger; W. L. Chambers; D. A. 
Cohen; F. M. Dille; H. F. Duprey; O. Durfee; E. R. Ford; N. A. 
Francis; B. T. Gault; Geological Survey of Canada; I. C. Hall; 
H. S. Hathaway; R. G. Hazard; L. M. Huey; H. K. Job; E. 
M. Kenworthy; C. R. Keyes; J. and J. W. Mailliard; T. E, Mc- 
Mullen; Museum of History, Science, and Art, Los Angeles, Califor- 
nia; A. H. Norton; T. D. Perry; P. B. Philipp; E. F. Pope; A. E. 
Price; A. G. Prill; Provincial Museum, Victoria, British Columbia; 
J. B. Purdy; S. F. Rathbun; M. S. Ray; R. B. Rockwell; G. R. 
Rossignol, jr.; D. I. Shepardson; W. E. Snyder; F. Stephens; C. F. 
Stone; W. S. Strode; C. S. Thompson; A. O. Treganza; J. G. Tyler; 
University of California; A. Walker; E. R. Warren; A. T. Wayne; 
B. G. Willard; W. C. Wood; A. D. Dubois; I. E. Hess; A. R. 
Hoare; A. W. Honywill, jr.; L. B. Potter; H. J. Rust; S. S. S. 
Stansell; and J. Williams. 
Contributions of notes on habits or distribution have been received 
from the following: F. H. Allen, R. M. Anderson, B. W. Arnold, 
R. M. Barnes, W. S. Brooks, E. 8. Cameron, Frank S. Daggett, 
W. L. Dawson, Elizabeth Dickens, A. C. Dyke, C. W. G. Eifrig, 
W. O. Emerson, J. D. Figgins, W. L. Finley, G. L. Fordyce, C. A. 
Gianini, Jos. Grinnell, R. C. Harlow, W. F. Henninger, A. B. 
Howell, L. M. Huey, Lynds Jones, L. 8. Kohler, H. Lacey, W. deW. 
Miller, P. B. Peabody, C. H. Pease, E. F. Pope, R. B. Rockwell, A. A. 
Saunders, Mary C. Schanick, F. A. Shaw, F. Stephens, Cecile Swale, 
M. H. Swenk, P. A. Taverner, W. E. C. Todd, C. W. Townsend, M. B. 
Townsend, J. G. Tyler, W. L. Underwood, E. R. Warren, and L. E. 
Wyman. 
