[22] Ichthyodorulites.

[23] Dipterus.

[24] Dinichthys.

[25] See [Frontispiece]. 1, Chauliodus; 2, 9, 10, 11, Harpodon or Bombay Duck; 3, Plagiodus; 4, Chiasmodus, with a Scopelus in its stomach; 6, Beryx; 8, Scopelus.

[26] In drawing up this sketch of the deep sea I am almost entirely indebted to Dr. Günther’s masterly sketch of the deep-sea fish in his excellent work.

[27] Echeneis remora.

[28] Naucrates.

[29] In this description I am not alluding simply to the mackerel family Scombridæ, but to that much larger group Cotto-Scombriformes, to which so many ocean fish belong, and even the sword-fish is allied.

[30] Thynnus pelamys.

[31] Thynnus thynnus.