Feather development non-nervous. They have a tubular central shaft called the rachis; coming off either side of the rachis are the veins, which have a series of barbs with interlocking connections that are called barbules. The rachis and attached veins make up the spathe. The opposite of the rachis is the calamus, which anchors the feather to the body and is moved by attached dermal muscles. There are many different types of feathers that mostly follow this basic design with few variations based on evolutionary needs. Feathers are sometimes referred to as “elaborate reptile scales” just as birds are sometimes viewed as
Calamus, Iowa Journal, associated himself with Mr. Barter and the paper was continued under the name of Barter and Sunderlin. It did not have a very long existence and for various reasons it suspended publication. Whip and Cook printed a newspaper here in the 1880s. It also had a very brief existence. The Calamus Record was the latest newspaper venture for Calamus. It was established in 1901 by A.J. Gault and enjoyed a longer existence than the other newspapers. Calamus is located at (41.826669, -90.759793). Olive Township, Clinton County, Iowa According to the United States Census Bureau, the city has a total