A Guide to the Study of Fishes, Volume 1 (of 2)
CHAPTER XXVIII.
THE CYCLOSTOMES, OR LAMPREYS.
The Lampreys.--Structure of the Lamprey.--Supposed Extinct Cyclostomes.--Conodontes.--Orders of Cyclostomes.--The Hyperotreta, or Hagfishes.--The Hyperoartia, or Lampreys.--Food of Lampreys.--Metamorphosis of Lampreys.--Mischief Done by Lampreys.--Migration or "Running" of Lampreys.--Requisite Conditions for Spawning with Lampreys.--The Spawning Process with Lampreys.--What Becomes of Lampreys after Spawning? 486