Specimens of Archaeopteryx The end of the feather has an obtuse angle of 110°, while the barbs branch off from the rachis at an angle of around 25°. The barbs branch noticeably into barbules, as in the feathers of modern birds. The base of the feather consists of plumulaceous barbs which are unconnected to one another and result in a down-like appearance. This tuft of down led Griffiths to conclude that "Archaeopteryx" might have been endothermic in that it implies the use of thermal insulation. The feather is clearly asymmetrical, which has been interpreted by many scientists to be a clear indication of
Calamus, Iowa Calamus Consolidated School was burned at a ceremony in the school auditorium. In 1950, six rooms and a large gymnasium were added at a cost of $125,000. In 1964, another six rooms were added at a cost of $196,000. The vote on the bond issue for the construction of this addition carried by 92.8%, an all-time high in the state of Iowa. Calamus has not had many home printed newspapers. The first paper that was issued in Calamus was established by H. L. Barter and was called the "Free Press." After some time, F. L. Sunderlin, later of the Delmar