COLOURED PLATES 



Page 4. — A dragon-fish (Plerois). Photograph by Dr Villarel. 



— 19. — A salmon (Salmo salar) leaping in a waterfall. Photograph by Ronald Tlwmpson- 



Ftapho. 



— 29. — A ten-spined sticklsback (Pygosleiis pungitius). 



A swimming turbot (Lota lota): centre and below. Photographs by R. H. Noailles. 



— 39. — A freshly caught reniora or shark-sucker. 



A tiger-shark (Galeoccrdo) stranded on a beach in the Comoro Islands. Photo- 

 graphs by J. Mi Hot. 



— 49. — A group of coral fishes from Hawaii. Photograph by Isy Schwart. 



A coral-dwelling wrasse (Iridio), Hawaii. Photograph by Giinter Senfft. 



— 59. — Associates of the large sea-anemones: Ainphiprion pcrciilu. Photograph by 



Giinter Senfft. 



— 69. — A scorpion-fish (Scorphaena) from the Indian Ocean. A damsel-fish. Photo- 



graphs by Giinter Senfft. 



— 79. — A coral-dweller, Abudefdiif. Photograph by Giinter Senfft. 



Puffer-fishes (Spfieroides immaciilatiis and S. meleagris). Photograph by 

 E. Aiibert de la F^iie. 



— 89. — A trigger-fish (Batistes fuscus). Photograph by Giinter Senfft. 



A butterfly-fish (Chaetodon). Photograph by Isy Schivart. 



— 99. — A tropical African cichlid ( lieinichromis biniaculatus). 



The paradise-fish (Macropodiis opercularis). Photographs by J. M. Ban fie. 



— 109. — A cyprinid fish from Ceylon (Piintius nigrofaseialus). 



A cichlid from South Africa (Tilapia natalensis). Photographs by J. M. Baiifle. 



— 127. — Herichthys cyanogultatus, a cichlid from Mexico. 



Astronautes oeellalus. a cichlid from Guiana, the Amazon and Paraguay. Photo- 

 graphs by J. M. Baafle. 



— 137. — Pelmatochromis kribensis. Southern Cameroons. 



Symphysodon discus. Amazon. Photographs V. Six, Aquarium du Zoo d'Anvers. 



— 147. — Trichogaster leeri. Sumatra. 



Serrasalmus spilileura. Amazon. Photographs V. Six, Aquarium du Zoo 

 d'Aniwrs. 



— 169. — Monodadylus argenteus. Indian Ocean. Photograph ]'. Six, Aquarium du Zoo 



d'Anvers. 

 Freshwater barbs from Sumatra. Photograph Fraass. 



— 179. — Antarctic nototheniid fishes. Photograph by Dr. Sapin-Jalouslre. 



The coelacanth (Latimeria chalumnae). Photograph by J. Millot. 



184 



