Report on the Migration of Birds in the Spring and Autumn of 1884. Sixth Report (Vol. II No. 1) is a scholarly publication by Harvey-Brown John Alexander, Barrington Richard Manlife, Clark William Eagle, Cordeau John, and More Alexander Goodman - present the results of their research on bird migration in 1884. With the help of observations, measurements and analysis, they study the routes and features of the flight of birds in the spring and autumn periods. The authors describe in detail the behavior of various species of birds, identify patterns in their migration, and also put forward their own hypotheses and conclusions. This book will be a useful source of information for ornithologists, biology students, and anyone interested in the nature and life of birds. "Report on the Migration of Birds in the Spring and Autumn of 1884. Sixth Report (Vol. II No. 1)" is an important contribution to the study of bird ethology and migration, which will help to increase our understanding of this interesting phenomenon in nature.