II. A Revisional Monograph of Recent Ephemeridae or Mayflies.- Part II
Published in Transactions of the Linnean Society, in 1884, in volume 3, issue 2, pages 77-152
Date published:1884-07
Published in Transactions of the Linnean Society, in 1884, in volume 3, issue 2, pages 77-152
Date published:1884-07