xii SECRETS OF EARTH AND SEA 



exuberant growths will be found. The excessive growth 

 of the median fins in the fish Pteraclis allied to the 

 Dolphin which displays changing floods of surface colour 

 as it dies — and in the Australian Blenny called Pataecus 

 — both figured on p. 130 — should be compared with that 

 of the strange crest of the grotesque Dimetrodon. 



