Bulletin of the American Museum of Natural History: Volume 75 A. 846 pp.This is the third part of Chapin's monumental work published in 4 parts over a period of 21 years. Chapin went to the Belgian Congo in 1909 at the age of 18 where he remained until the outbreak of WWI. On his return to New York, he resumed his studies and then produced the present work, 'one of the most thoroughly prepared and not able faunal works in the literature of ornithology and an indispensable work on African birds.' Mengel 26. The complete set may also be obtained from Buteo Books.