Four prototype mosaics sit on display in storefront windows along Main Street’s Downtown Business District this fall. The quartet are a sample of what Adjunct Assistant Professor of Art and Art Studio Technician Kate Ten Eyck will install in the pedestrian tunnel connecting downtown Middletown to the Connecticut River as part of a new public art project. The ongoing multi-year mural installation project, called “Mosaics on Main/TunnelVision," will showcase 200 million years of local history. Ten Eyck’s mosaic depicts the dinosaur Anchisaurus, one of the few fossilized skeletons found in the region, in Manchester and East Windsor. Ten Eyck held…