.33 Aves. 
Titles. 
5800 
Ruth, E. S. On the development 
of twins and other polyembryos with 
special reference to four sets of duck 
twins. Manilla Philippine J. Sci. 
sect, B 11 1916 (109-117) 3 pis. 709 
Ruttledge, R. F. Ornithological 
notes from south Mayo. Zoologist 
London 20 1916 (431-434). 710 
Sabin, F. R. On the origin of the 
duct of Cuvier and the cardinal veins. 
[Abstract.] Anat. Rec. Philadelphia 
9 1915(115-117). 711 
Sagarra, T. de. La colleccio ornito- 
16gica al Museu do Cidncios Naturals 
de Barcelona. Barcelona Junta Ci&n. 
Nat. 1916 (67-77). 712 
St. Quintin, W. H. Breeding oL 
the Little Bustard in 1915 ( Otis tetrax). 
Avicult. Mag. London 8 1916 (30-34) 
photos. 713 
Salvadori, T. ed Festa, E. Alcuni 
uccelli della Cirenaica, colla descrizione 
di unanuova specie del gene re Caccabis. 
Torino Boll. Mus. Zool. Anat. comp. 
31 No. 714 1916(1-2). 714 
[SapoSnikov, Ch.] UlanoummcoBT^X. 
Bo3Mo;KHoe 3Hauenie Tain. nasuBae- 
mhx'b „ yupameniil u y H’feKOTopbix't 
nTHUi'B („ 6ocBaa OKpacua u ). [Sur le 
sens probable des ornements sexuels 
chez quclqucs oieoaux.] Tiflis Bull. 
Mus. Caucasc 8 1914 (10-35). 715 
Sarudny, N. A. Boitrag zur Kcnntnis 
der Beutelmeisen ( Remiza ) derTurkes- 
taner Region. [Russian]. Mess. Ornith. 
7 1916 (91-95). 716 
Sarudny, N. A. Weiteres fiber 
Beutelmeisen des Turkestan. [Russian]. 
Mess. Ornith. Moscou 7 1916(251-255). 
717 
Sarudny. N. A. vide also Zarudny. 
Sarudny, N. A. und Bilkewitsch, S. I. 
Notiz iiber Bartmeisen ( Panurus ) 
vom Turkestan [Russian]. Mess. Ornith. 
Moscou 7 1916 (240-241). 718 
[Satunin, K. A.] CaTyiiHH'B, K. A. 
OKCKypcia Ha MypoBT.jtar'L. [L’ex- 
cursion sur le Mourow-dagh.] Ornith. 
et avicult. Moskva 5 1914 (85-92). 719 
[Satunin, K. A.] OaTynnm,, K. A. 
OpHHTOJiornuecKifl HafrmofleHW bt> 
cxenaxi* BocrouHaro 3aKaBKaBBH bt. 
1912 rojty. [Ornithologische Boobach- 
tungen in den Steppen des ostlichen 
Transkaukasiens im Jahre 1912.] Tiflis 
(N-9974 g) 
Tru. Kavk. otd. geogr. Obsc. 22 1914 
(128-150). 720 
Saunders, A. A. Additions to the 
birds of Custer County, Montana. 
Auk Cambridge Mass. 33 1916 (203-205). 
720a 
Saunders, W. E. Birds of Algonquin 
Park. Ottawa Nat. 29 1916 (145-150). 
721 
Saunders, W. E. The Magpie in 
Western Ontario. Ottawa Nat. 30 
1916(15). 722 
Saunders W. E. The Barn Owl 
nesting in south - western Ontario. 
Ottawa Nat. 80 1916 (39-40). 723 
Saunders, W. E. Another nesting 
site for the Prairie Warbler in Ontario. 
Ottawa Nat. 30 1916 (67-68). 724 
Savage-English, T. M. Colour varia- 
tion in the birds of Grand Cayman 
Island, West Indies. Ibis London 1910 
(364-366). 725 
Savage-English, T. M. Notes on 
some of the birds of Grand Cayman, 
West Indies. Ibis London 1916 (17-36) 
1 pi. ' 720 
Sawyer, E. J. Land birds of northern 
New York, A pocket guide to common 
land birds of the St. Lawrence valley 
and the lowlands in general of northern 
New York (1-90) 1 col. pi. and many 
text-figs. Watertown N.Y. (Rogers) 
1916 12mo. 727 
Saxtorph, S. M. Masseoptracden 
af Kvaekere ( Fringilla montifrin° 
gilla) i Skaane. [Great number of 
F. monti fringilla in Skaane (Sweden) in 
winter.] Kjobenhavn, Ornith. Tids. 10 
1916 (203-208). 728 
[§Serbina, M. L.] IH,ep6iiHa, M. 31. 
3aMtTKH o rjiyxapflX't. [Note sur les 
coqs bruyere.] Ornith. et avicult. 
Moskva 5 1915 (185-195) 729 
[§5erbina, M. L.] ni,ep6nHa, M. JI 
MaTepiaau kt> tiioaorm rjryxapa (Te- 
trao urogallus L.) (BojitniCKaa ry(5.,OB- 
pyucKLfl y). [Biologie de Tetrao uro- 
gallus L.] Ornith. et avicult. Moskva 
6 1915 (262-291) 5 figs. 730 
[SCerbina, M. L.J Iljeptfana, M. JI. 
MaTepiajiti kt> tfioaorin BaJiLAimieua 
( Scolopax rusticola L.) [Biologie de 
Scolo'pax rusticola L.] Ornith. et 
avicult. Moskva 6 1915 (296-302). 731 
[§Cerbina, M. L.] IHeptfflHa, M. 31. 
MaTepiajiH kt> tfionorm KyjiHuica-nepe- 
i 6 
