11 Aves. 
Titles. 
5800 
Clark, H. L. Tail-feathers and their 
major upper coverts. Auk Cambridge 
Mass. 35 1918 (113-123). 160 
Clark, H. L. Notes on the anatomy 
of the Cuban Trogon. Auk Cambridge 
Mass. 35 1918 (286-289). 161 
Clark, H. L. The pterylosis of the 
Wild Pigeon. Auk Cambridge Mass. 
35 1918 (416-420). 162 
Clark, H. M. [Eggs of an extinct 
Ostrich in north China.] Nature 
London 101 1918 (50). 163 
Clarke, J. M. Alleged rediscovery of 
the Passenger Pigeon. Science New 
York 48 1918 (445-446); see also 
Roberts T. S. p. 575. 164 
Clarke, S. Description of a new 
Pigeon from Somaliland, with further 
remarks by G. F. Archer. London 
Bull. Brit. Orn. Cl. 38 1918 (61-62). 
165 
Clarke, W. E. Woodcock marked in 
Ireland and recovered in Shetland. 
Irish Nat. Dublin 27 1918 (15). 166 
Clarke, W. E. Wild life in a west 
Highland Deer Forest. Scot. Nat. 
Edinburgh 1918 (1-10). 167 
Cleland, J. B. The stomach contents 
of Australian birds'. Agr. Gaz. N.S. 
Wales 27 1916 (263-269). 168 
Collinge, W. E. Some recent in- 
vestigations on the food of certain wild 
birds. J. Bd. Agr. London 25 1918 
(668-691). 169 
Collinge, W. E. and others. The 
value of insectivorous birds. Nature 
London 101 1918 (407-409 464). 170 
Collinge, W. E. The preservation of 
Gamo-birds and its relation to agri- 
culture. Sci. Progr. London 13 1918 
(265-275). 171 
Collinge, W. E. On the value of the 
different methods of estimating the 
stomach contents of wild birds. Scot. 
Nat. Edinburgh 1918 (103-108) 2 figs. 
172 
Congreve, W. M. Ornithological and 
oological notes from the river Somme 
valley at its mouth and near Peronne. 
Ibis London 1918 (348-362 746-748). 
173 
Cooke, M. T. Notes from the 
vicinity of Washington, D.C. Auk 
Cambridge Mass. 35 1918 (483-484). 
' 174 
Cory, C. B. Catalogue of Birds of 
the Americas and the adjacent islands 
etc. Part ii, no. i. Families Bubonidae 
Tytonidae, Psittacidae, Steatornithidae, 
Alcedinidae, Todidae, Momotidae, 
Nyctibiidae, Caprimulgidae, Cypselidae, 
Trochilidae. Chicago III. Field Mus. 
Pub. Zool. Ser. 13 (1-315) 1 pi. 175 
Coward, T. A. Notes on the verte- 
brate fauna of Cheshire and south 
Lancashire. iii. For the year 1917. 
Lancs. Nat. Darwen 11 1918 (170-173 
182-185). 176 
Coward, T. A. Observations on the 
nesting habits of the Palm Swift, 
Tachornis parva (Lichst.), made by Mr. 
Arthur Sovoridgo in German East 
Africa. Manchester Mem. Lit. Phil. 
Soc. 61 no. 7 1917 (1-3). 177 
Craven-Sykes, J. Young Cuckoo in 
Blackbird’s nest. Bt. Bds. London 12 
1918 (40-47). 178 
Cricfjlle, N. The American Crow in 
relation to agriculture. Agr. Gaz. 
Ottawa 4 1917 (446-450) fig. 179 
Criddle, N. Bird notes from Mani- 
toba. Ottawa Nat. 31 1918 (151-152). 
180 
Csiki, E. Positive Daten fiber die 
Nahrung unserer Vogel. (9. Mittl. 
Corvus comix.) Aquila Budapest 21 
1914 (210-229). 181 
Csorgey, T. Studien fiber den Vogel- 
schutz aus dem Jahre 1914. Aquila 
Budapest 21 1915 (239-259) 4 figs. 182 
Csorgey, T. J. Salamon v. Patenyis 
Briefe an J. Friedrich Naumann 1834- 
1840. Aquila Budapest 22 1916 (352- 
369). 183 
Csorgey, T. Studien fibor don Vogel - 
schiitz in dcr Jahron 1915-1916. Aquila 
Budapest 23 1917 (56-73 Magyar 449- 
468 German) 8 figs. 184 
Cs6rgey, T. Der Paarungsgesang 
des rotriickingen Wfirgers ( Lanius col- 
lurio). Aquila Budapest 24 1918 (221- 
224) Magyar and German. 185 
Csdrgey, T. Das Fliigelzcichen von 
Circus macrurus (Gm.). Aquila Buda- 
pest 24 1918 (224-226) 2 fig. German 
and Magyar. 186 
Cumming, W. D. Natural History 
notes from Fao. Bombay Journ. N.H. 
Soc. 26 1918 (292-294). 187 
