28 Aves. 
XV. Aves. 
[1921] 
676. — Shufeldt, R. W. Published 
.figures and plates of the extinct Passen- 
ger Pigeon. Sci. Monthly 1921 pp. 
457-480 15 figs. 
677. — Skinner, M. P. Notes on the 
Rocky Mountain Jay in the Yellow- 
stone National Park. Condor Berkeley 
Cal. 23 1921 pp. 147-151. 
678. — Smith, J. N. D. Notes on the 
Little Tern and young. Brit. Bds. 
London 15 1921 pp. 50-56 2 photos. 
679. — Smith, L. W. Records of 
interest from Meriden, Connecticut. 
Auk Lancaster Pa. 38 1921 pp. 465-467. 
680. — Smith, T. L. A Ringed Plover’s 
“ nests.” Brit. Bds. London 15 1921 
pp. 26-32 5 photos. 
681. — Smith, W. P. Some unusual 
bird records for northern Vermont. 
Auk Lancaster Pa. 38 1921 pp. 467-468. 
Snouckaert van Schauburg, R. C. E. 
Baron vide Heurn. 
682. — Someren, V. J. L. van. Sixteen 
now subspecies of African birds de- 
.scribed. Bui. Bt. Orn. Cl. London 41 
1921 pp. 102-104. 
683. — Someren, Y. C. L. van. Thir- 
teen new African birds. Bui. Bt. Orn. 
Cl. London 41 1921 pp. 112-115. 
684. — Someren, V. G. L. van. New 
birds from eastern Africa. Bui. Bt. 
Orn. Cl. London 41 1921 pp. 121-126. 
685. — Someren, V. G. L. van. On a 
•collection of birds from Turkanaland. 
J. E. Afr. and Uganda N. H. Soc. 
Nairobi No. 16 1921 pp. 3-38. 
686. — Soper, J. D. Gleanings from 
the Canadian West. Part i. Avian 
fauna of Islay, Alberta. Canad. Field 
Nat. 35 1921 pp. 50-54. 
Sparrow, R. vide Raw. 
687. — Speck, F. G. Bird-lore of the 
Northern Indians. Reprint from vol. 
vii Public Lectures by Univ. Pennsyl- 
vania faculty 1919-1920 Philadelphia 
(Publ. by the University) 1921. 
688. — Stadler, H. Der Schwirrer im 
Gesang von Buchen- und Berglaub- 
vogel ( Phylloscopus sililatrix und 
'bonelli). Ornith. Monastsb. Berlin 29 
1921 pp. 28-30. 
689. — Stadler, H. Todesursache be. 
einem verungluckten Vogel. Ornith. 
Monatsb. Berlin 29 1921 pp. 33-34. 
690. — Stadler, C. u. Schmitt, C. Die 
Formen der Vogelrufe. Arch. Naturg. 
Berlin 87 Abt. A Heft 4 1921 pp. 276- 
303. 
Staub, A. vide Jouan. 
691. — Steinach, E. Kunstliche 
Zwitterdriisen bei Saugern und Vogeln. 
Anz. Akad. Wiss. Wien 56 1919 pp. 
135-138. 
692. — Stenhouse, J. H. Bird notes 
from southern Spain. Ibis London 
1921 pp. 573-594. 
693. — Stenhouse, J. H. Lapland 
Blue-tliroat at Fair Isle. Scot. Nat. 
Edinburgh 1921 p. 76. 
Stenhouse, J. H. vide Clarke. 
694. — Stephens, F. Eclipse plumage 
of Cinnamon Teal. Condor Berkeley 
Cal. 23 1921 p. 194. 
695. — Stephens, T. C. A study of a 
Red-eyed Vireo’a nest which contained 
a Cowbird’s egg. Bui. Lab. Nat. Hist. 
Univ. Iowa City No. 11 1917 pp. 25-37. 
696. — Stephens, T. C. Bird records 
of the past two winters, 1918-1920 in 
the Upper Missouri Valley. Proc. 
Iowa Acad. Sci. Des Moines 27 [1921] 
pp. 395-407. 
697. — Stolz, J. W. Ornithologische 
Nachlese aus der Oberlausitz. Abh. 
natf. Ges. Gorlitz 28 1917 pp. 163-250 
2 maps. 
698. — Stone, W. King Eider 
Somateria spectabilis) in Pennsylvania. 
Auk Lancaster Pa. 38 1921 p. 270. 
Stone, W. vide Arthur. 
699. — Stoner, D. Bird records for 
the season 1919-1920 in the vicinity of 
Iowa City. Proc. Iowa Acad. Sci. Des 
Moines 27 [1921] pp. 379-384. 
700. — Stoner, D. The nesting habits 
of the Hermit Thrush, Hylocichla 
guttata pallasi (Cab.) in northern Michi- 
gan. Univ. Iowa Studies Iowa City 
No. 38 1920 pp. 1-21. 
701. — Storer, T. I. American Cross- 
bill eating Elm Aphis. Condor Berke- 
ley Cal. 23 1921 p. 98. 
