16 Avea, 
xvn. Aves. 
[1911] 
Clevisch, A. Dr. med. Karl Parrot. 
Ein Nachruf. Ornith. Monatschr. 
Magdeburg 36 1911 (183-186). 289 
Clevisch, A. t)ber Pinguineier. Zs. 
Fleischliyg. Berlin 21 1911 (255-259). 
290 
Clyne, R. Observations on the rock 
breeding birds of the Butt of Lewis. Ann. 
Scot. Nat. Hist. Edinburgh 1911 (65-70). 
291 
Cnyrim, E. Ein neuer Schuhschnabel. 
Frankfurt a. M. Ber. Senckenb. Ges. 42 
1911 (1-7). 292 
Coale, H. K. Clarke’s Nutcracker in 
Illinois. Auk Cambridge Mass. 28 1911 
(266). * 293 
Coale, II. K. Notos on some birds 
rare or now to Wisconsin. Auk Cam- 
bridge Mass. 28 1911 (275-276). 294 
Cobb, S. Egrets ( Herodias egretta ) in 
Massachusetts. Auk Cambridge Mass. 
28 1911 (482). 295 
Cobb, S. vide Brooks. 
Cole, L. W. The relation of strength 
of stimulus to rate of learning in the 
chick. Journal of Animal Behavior 
New York 1 1911 (111-124). 296 
Cook, J. P. Uncommon birds in 
Burma. Bombay J. Nat. Hist. Soc. 21 
1911 (265-267). 297 
Cook, L. G. Starlings at Amherst, 
Massachusetts. Bird Lore Harrisburg 
Pa. 12 1910 (78). 298 
Cooke, W. W. The migration of 
North American sparrows. Bird Loro 
Harrisburg Pa. 12 1910 (12-15 67-70 
111-112 139-141 196 240-242) 6 col. 
pis. ; 13 1911 (15-16 83-88 144-146 198- 
201 248-249 298) 6 pis. 299 
Cosgrave, R. Notes on the Cranes at 
Lilford Hall. Avicult, Mag. London 2 
1911 (147-150) 2 pis. 300 
Cosgrave, R. . Breeding of the $ 
Canadian and ? Wattled Cranes, Gras 
canadensis and G. carunculata. Avicult. 
Mag. London 3 1911 (23-25). 301 
Cote, C. Quelques observations orni- 
thologiques faites dans la Dombes 
d’Ehangs en f^vrier, mars et avril 1908. 
Bui. soc. Zool. Geneve 1 1908 (122-123). 
302 
Oottereau, E. Sur Sylvia suecica. 
Feuille jeunes natural. Paris 41 1910 
(34). 303 
Cotton, J. D. The birds of North- 
amptonshire and neighbourhood . Report 
for 1910. Northampton J. Nat. Hist. 
Soc. 16 1911 (16-18). 304 
Coulon, L. Guide des naturalistes 
dans lo8 environs imm&liats l’Elbeuf. 
Elbeuf Bui. soc. etud. sci. nat. 29 1911 
(69-126). 305 
Craig, W. The voices of pigeons 
regarded as a means of social control. 
American Journal of Sociology Chicago 
14 1908 (86-100). 306 
Craig, W. The expressions of 
emotion in the pigeons. 1. The blond 
ring-dove ( Turtur visor ins). J. Comp. 
Neur. Philadelphia Pa. 19 1909 (29-82) 
pi. 307 
Craig, W . The expressions of emotion 
in the pigeons. 2. The Mourning Dove 
(Zenaidura macroura). 3. The Passen- 
ger Pigeon (Ectopistes migratorius). 
Auk Cambridge Mass. 28 1911 (398-407 
408-427). 308 
Crerig, W. Oviposition induced by 
the male in Pigeons. J. Morph. Phila- 
delpia Pa. 22 1911 (299-305). 309 
Crandall, L. S. vide Beebe. 
Criddle, N. The White- winged Junco 
and Hoyt’s Horned Lark in Manitoba. 
Ottawa Nat. 25 1911 (122-123). 310 
Criddle, N. The Snowflake. Ottawa 
Nat. 25 1911 (125-128). 311 
Csiki, E. vide Szeots. 
Csorgey, T. Der praktische Vogel- 
schutz in Ungarn in den Jahren 1909-11. 
Aquila Budapest 18 1911 (212-242). 
312 
Curl, H. C. Notes on the digestive 
system of Ilydrocorax. Philippine J. 
Sci. Manila P.I. 6d 1911 (31-36) 2 pis. 
313 
Currey, K. More notes on the Cross- 
bill. Avicult. Mag. London 2 1911 
(202-203). 314 
Dabbene, R. Sobre la existencia del 
huemul y del avestruz petizo, Rhea 
darwini Gould en el N.W. de la 
Repiiblica Argentina. An. Mus. Nac. 
Buenos Aires 14 1911 (304-307). 315 
Damiani, G. vide Arrigoni degli Oddi. 
Davenport, C. B. The transplantation 
of ovaries in chickens. J. Morph. Phila- 
delphia Pa. 22 1911 (111-122). 316 
