Recently, I was given to a small bag of seashells that was in the possession of a long time University of Louisville geology professor James...

  This is a drawing of an oogonium of the algae Nitella leptosoma (Nordstedt, 1880). It was from plate 3 of the book Australasian characeae...

  On a recent trip to Napoleon, Indiana USA, I found this gastropod fossil which might be a Platyostoma niagarensis (Hall, 1852). It dates...