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 brick with Gothic windows and frosted panes at a cost of approximately $3,000. Later, a basement was put under the Church for social activities and electricity was installed in 1917. Prior to that, lighting was done with carbide lights. This building burned November 4, 1927. Dedication of the new and present structure was held September 8, 1929. It is in use today under the name of Wesley United Methodist Church. The Calamus Lutheran Parish consists of two congregations, Our Savior’s Kvindherred Lutheran Church (Calamus, Iowa) and Faith Lutheran Church. While they are two individual congregations with individual histories, Our Savior's