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
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