The author has to thank the Directors of the Liberian Chartered and Monrovian Rubber Companies for the information derived from the botanical and zoological collections made by their employés which are now in the national collections at Kew and the British Museum. He has also used in this book a number of interesting photographs taken for the Liberian Development Company by Sir Simeon Stuart, Bart., Mr. T. H. Myring, the Duc de Morny, Mr. J. P. Crommelin, and others. The Liberian Government or the Liberian consul-general in London (mr. Henry Hayman) has also placed photographs at the author's disposal, and he owes the use of others to Mr. G. W. Ellis, Secretary to the American Legation at Monrovia. Mr.
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