""List Of The Specimens Of Birds In The Collection Of The British Museum, Part 3, Sections 3-4: Capitonidae And Picidae"" is a book written by George Robert Gray and published in 1868. The book is a comprehensive list of the specimens of birds in the collection of the British Museum, focusing specifically on two families of birds: Capitonidae and Picidae. Capitonidae is a family of birds commonly known as barbets, which are found in tropical and subtropical...