Conservation and restoration of feathers shaft and the vane. The shaft is composed of the calamus and the rachis. The calamus can also be called the quill and is the hollow portion of the shaft that enters the skin follicle. While the rachis is the solid portion of the shaft where the barbs attach. The vane extends to either side of the rachis and is made up of interconnecting barbs. This is considered the most substantial portion of the feather. Removing debris and organic matter from feathers is a key step in the conservation process. Here are several of the ways that feathers are typically
What Bird is That? What Bird is That? What Bird is That? A Guide to the Birds of Australia is a book first published in 1931 by Angus & Robertson in Sydney. Authored and illustrated by Neville William Cayley, it was Australia’s first fully illustrated national field guide to birds, a function it served alone for nearly 40 years. In 1960 it was rated the all-time best seller in Australian natural history. "What Bird Is That?" was originally published in octavo format (239 x 158 mm), containing 340 pages bound in green buckram, with a dust jacket illustrated with a painting of a laughing