THE DIPTERUS 



discovered them and cleaned out many speci- 

 mens from the rocks of his native hills at Cro- 







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ce 



05 



O (D 



o X b 



=« ^ y3 



^ CD .in 



0^5 



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ri jc p 



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cs f oj r- 



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marty in Scotland — ^to a tortoise's shield with a 

 fish thrust into it. We have now gained from 



253 



