The fauna has been explored in great detail both as regards the vertebrates and the invertebrates, and specialists will find the necessary bibliographical indications in Travaux geographiques en Finlande, published for the London Geographical Congress of 1895.
Detailed accounts of the developments of the various branches if the subject from the beginning of the 19th century to the present time, with full bibliographical references, are given in the f)urth volume (edited by Professor F.
- Information regarding the resources, climate, population and industries of Arkansas should be sought in the volumes of the United States Census, United States Department of Agriculture and the United States Geological Survey (for the last two there are various bibliographical guides); consult also the publications of the Arkansas (Agricultural) Experiment Station (at Fayetteville), the reports of the state horticulturist, the biennial reports of the state treasurer, of the auditor, and of the Bureau of Mines, Manufactures and Agriculture (all published at Little Rock).
Bu.) See his Complete Writings (10 vols., New York, 1902), with bibliographical and critical matter by O.
(1868) (pp. 123-242 historical, pp. 453-518 bibliographical, pp. 514 sqq.