U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. XXIII PL. XXI 



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Fig.l 



C.V. CUg Cui Cu J 1 



C R MA 2ndA^ ZndA^Z Mse,4 Rs 

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R4&5 



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Fig. 6. 



Venation of the Trimerotropis. 



For explanation of plate see page 449. 



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Mid. 



