Sinornithosaurus form from those found on birds from the same geological deposits. The body (contour) feathers were generally between 3-4.5 cm long and included two types: the first type are formed of several filaments joined together into "tufts", similar to modern down feathers. The second type, including those on the arms, were composed of rows of filaments ("barbs") joined together along a main shaft ("rachis"), making them similar in structure to modern bird feathers. However, unlike the wing feathers of flying birds, they did not have the secondary branches with tiny little hooks ("barbules") that flight feathers have, which allow the
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