Plate XLV. 



Venation of Seirodonta and Heterocampa. 



Fig. 1. Seirodonta hilineata; la. bind wing; 16. subcostal cell enlarged. 



Fig. 2. fftterocampa munteo, fore wing; 2a, hind wing, normal; '2h, fore wing with cell absent and no subcostal 



venule (Vein 11) wanting) ; hind wing also with different arrangement of the discal veins. 

 Fig. 3. Heterocampa biiindata. Specimen comi^ared with Walker's type. 3a, the same, hind wing. 

 Fig. 4. Heterocampa guttiritta; ia, part of a wing showing the vestiges of the fourth subcostal venule (Vein II;,). 



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