1922.] Letters, Extracts, and Notes. 745 



Arnault, Dr. On the power of resistance to cold of soine exotic 



birds. 

 Hugiies, A. Our Ornitliologists : Jean Crespon (1797-1857) ; 



witli portrait. 

 Millet-Horsin, Dr. A movement from east to west among 



African birds. 

 Seguin-Jard, E. Note on Otocoris alpestris. 

 Simon, E., and Berlioz, J. Account of a collection of Mexican 



Humming-birds fi-oui tlie neighbourhood of Orizaba. 



Scottish Naturalist, nos. 125/126, May-June. 1922. 



Rintoul, L. J., and Baxter, E. V. Report on Scottish Orni- 

 thology in 1921, including migration. 



South African Journal of Natural History, 



vol. iii. no. 2, March 1922. 



Godfrey, R. Birds of the Buffalo Basin, Cape Province ; pt. v. 

 Eaton, H. G. Some nesting habits of the Cape Robin. 

 Hamer, A. H. Territorialism and Sexual Selection. 



XLTII. — Letters, Extracts, and Notes. 



Cuckoos in the Gambia. 



Sir, — The following record of the dates (since 190-t) on 

 wliich I have lieard the first Cuckoo (presumably C. gularis) 

 in the Gambia seems of sufficient interest to print: — 



1904. May '). Lamin Kotto, MacCarthy Island Province. 



1900. May 11. Sajuka, Niunii, North liank Province. 



1909.* April 10. Foni, Konibo and Foni Province. 



1910. April 20. Niumi, N. B. P. 



1911. April 27. Barrokunda, South Bank Province. 



1912. (Not beard by -May 1, when I left the Colony.) 



1913. April 19. Barrokunda, S. B. P. 



(Then an interval till May 4.) 



1914. May 8. Sutukung, S. B. P. 



1918. Aprils. .lappiui, S. B. P. 



1919. April 7. Jabba, S. B. P. 



1920. April 20. Kudang, S. B. P. 



1921. April 2.'J. Buuni, N. B. P. 



1922. April 14. Sika, N. B. P. 



