List of Works referred to. 



Alexander, Boyd ... ..... 



Exhibition of eight new species of African birds. 

 [Caprimulgus chadensis.) 



Bull. Brit. Orn. Club, vol. 1908, pp. 88-91. 



Antinori,0. t&T. Salvador! 



Viaggio dei signori 0. Antinori, 0. Beccari ed A. Issel nel Mar Kosso, nel 

 territorio dei Bogos e regioni circostanti durante gli anni 1870—71. 



Ann. Mus. Civ. di Storia Nat. di Geneva, vol. LV, nov. 1873, pp 

 366-520. 

 Bannerman,D. A. 



On a collection of Birds made in Northern Somaliland by Mr. G. W Bury 



Ibis 1910, pp. 291-327. 

 On a collection of Birds made by Mr. A. B. Percival in British East Africa. 



Ibis 1910, pp. 676-710. 

 On three new species of birds from South-western Abyssinia. 



[Anomalospiza macmillani, Eremomcla elegans abyssin., Ortygops 



til /l.C'))l1liO,ft'i \ 



Bull. Brit. Orn. Club, vol. XXIX, 1911, pp. 37-39. 

 Report on the Birds collected by the late Mr. Boyd Alexander (Rifle Bri- 

 gade) during his last Expedition to Africa. 

 Part III. The Birds of Annabon Land. 



Ibis 1915, pp. 227-234. 

 Part IV. The Birds of Cameroon Mountain. 



Ibis 1915, pp. 473-526. 

 Part V. List of Birds obtained in the Manenguba Mountains (Cameroon). 

 Ibis 1915, pp. 643-662. 

 A review of the African Dicruridae in the British Museum. 



Ibis 1920, pp. 439-445. 

 Remarks on rare and otherwise interesting Birds contained in collections 

 made by Mr. G. L. Bates in Southern Cameroon. 

 Ibis 1921, pp. 81-121. 

 Berger, A. 



Liste der auf meiner mit Major Roth und K. v. Donuer unternommenen 

 Expedition gesammelten Vogelbalge. 



Journ. f. Orn., 1911, pp. 503—521. 

 Bonhote, J. L. 



The value of Subspecies to the Field-Naturalist. 



Bull. Brit. Orn. Blub, vol. XL, 1920, pp. 89-91. 



Brown, A. Samler& G. Gordon Brown 



The South and East African Year Book and Guide for 1919. 

 25 th Issue. — 773 p., with 24 Maps. — London. 

 Butler, A. L. 



Contributions to the Ornithology of the Sudan. 

 Ibis 1909, pp. 74-90. 



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