326 



Part III. — -Eighteenth Annual Report 



First Dorsal Fin-rays. 



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2nd Dorsal and Anal Fin -rays. 

 Dorsal and Anal Finlets. 



Anal 

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Anal 

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Dorsal 

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Nature of Variations. 



Dorsal and Anal Combinations : Normal. 



Decrease in Dorsal Combination : 



Decrease in Anal Combination : 



Increase in Dorsal Combination : 



Increase in A.nal Combination : . , 



Decrease in both Dorsal and Anal . 

 Combinations. ...... 



Increase in both Dorsal and Anal . 

 Combinations . 



Decrease in Dorsal : Increase in Anal 



Increase in Dorsal : Decrease in Anal 



