Pennaceous feather Pennaceous feather The pennaceous feather is a type of feather present in most modern birds and in some other species of maniraptoriform dinosaurs. A pennaceous feather has a stalk or quill. Its basal part, called a "calamus", is embedded in the skin. The calamus is hollow and has pith formed from the dry remains of the feather pulp, and the calamus opens below by an "inferior umbilicus" and above by a "superior umbilicus". The stalk above the calamus is a solid "rachis" having an umbilical groove on its underside. Pennaceous feathers have a rachis with "vanes" or "vaxillum " spreading
Leonard Cohen: Bird on a Wire phone call from Herb Cohen, Frank Zappa's former manager, telling him that he had located dozens of boxes labelled "Bird on a Wire." Machat had died in 1988, but his son Steven obtained and delivered all 296 film canisters to Palmer. Since the negative was not available, Palmer used the soundtrack to reconstruct the film to its original form. The film stock was in fragile condition, some disintegrating to the touch. Restoring the film required piecing together the film from 3,000 fragments. The film was then sent to Cohen, who wrote back that he was "glad the problem has been