An isthmus is a narrow strip of land that connects two larger bodies of land. It acts like a bridge between two areas and can be surrounded by water on both sides, like a peninsula. Full definition
Its weirdness was likely maintained by warm equatorial waters and barriers to migration by other marine mammals posed by the newly formed Isthmus of Panama, and the still - closed Bering Strait. (sciencedaily.com)
(They will also vote on Isthmus Montessori Academy Charter School proposal — more on that below.) (madisonscape.com)
Check out SCAPE member Jen Greenwald's Cap Times op - ed on Isthmus Montessori Academy Charter School: (madisonscape.com)