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FISH GALLERY. 
to the Perch, Gurnard, Mackerel, S word-Fish, Wrasse, Cod and 
Plaice, Catfish, Salmon, Pike, and Eel are represented by 
numerous examples. Specially noticeable, so far as external 
form is concerned, are the Sunfishes, Orthagoriscus (fig. 18). 
Even more strange and weird are, however, several of the 
Figs. 19 & 20. — Two Deep-Sea Fishes (a. Gastrostomus hairdi and 
h. Saccopharynx jiogellum). 
Fig. 21.— The Sucker-Fish {EclieneU reniora). 
Deep-sea Fish, species of deep-sea fish, which live at depths where the sun's 
rays cannot penetrate, and are consequently self-luminous. 
Two of these are shown in the accompanying illustrations 
(figs. 19 and 20). From another point of view, great interest 
is concentrated on the Sucker-Fish or Eemora {^Echeneis remora), 
