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 Clinton to Clarence, Iowa. It was called the Chicago, Iowa and Nebraska Railroad, later changed to Chicago Northwestern Railroad Co.. In the same year, Joseph D. Fegan was deputized to go to the cross roads of the Stage Coach Lines and the Indian Trails at Syracuse, which had a small stove and a saloon, to establish a post office in 1858. No one could suggest a name and Mr. Fegan asked "Is there no creek or anything?" "Yes, Calamus Creek." "Then let it be Calamus." Due to the large hazardous swamps, the Post Office and railway station were moved to