PLATE II. 



Fig. 1. Amblyptilus pica, Wlsm. 



2, 3, 4. Amblyptilus cosmodactylus, Hubn. 



5. Oxyptilus periscelidactylus, Fitch. 



6. ningoris, Wlsm. 



7. delawaricus, ZelL 



8. nigrociliatus, ZelL 



9. Aciptilus californicus, Wlsm. 



10. Mimeseoptilus exclamationis, Wlsm. 



11. (Edematophorus grisescens, Wlsm. 



12. guttatus, Wlsm. 



13. 14. (Edematophorus occidentals, Wlsm. 



15. Platyptilus petrodactylus, Walk. 



16. Pterophorus monodactylus, Linn. 



