HI 



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HRH1 



Plate XV. 





Y 



Js 



1. Sagittate. 





/ 



2. Hastate. 3. V-shaped. 



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'A 



U 



\ 



M J 



4-. U-shaped. 



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V 



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vj y 



5.1mnulate. 6. Brace- shaped. 7. Harpoon-shaped. 8.0bomegoid. 



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y 



& 



-n 



\£s 



m 



A '. 





* v 

 f 



• / 



9. Crescentic. 10. Cruciform. 11. Arietiform. 12 Punctate. 



71 



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ss: 





!>' 



13 .Vermiculate. 14. Undulate 15 Herring bone! 16. Decussate. 



17. Barred. 



18. Banded. 



■HHHMMpi 



