""Handlist Of Genera And Subgenera Of Birds, Part 1, Distinguishing Those Contained In The British Museum"" is a book written by George Robert Gray and published in 1869. The book is a comprehensive list of the genera and subgenera of birds that are contained in the British Museum. The book is divided into two parts, with the first part containing a list of the genera and subgenera of birds, and the second part containing a list of the species of...