GOLDFISH. 35 



tlie dorsal fin, some having it short, with three lobes on the 

 caudal fin, and sometimes the lower lobe of this fin is separated 

 into two, which are spread abroad horizontally. Linnaeus has, 

 in mistake, made this last particular a portion of the character 

 of the genus, and Gronovius supposed it to be the mark of 

 a separate species. 



