190 PROCEEDINGS OF THE NATIONAL MUSEUM. 



Fig. 9. Acronycia tritona; base, of maxilla, sliowing the maxillary palpus. 



10. Acronijcia riibricoma; head from above. 



11. Acronijcia americana; head from above. 



12. Acronycia morula; head from above. 



13. Acroiiycta auricoma; head from above. 



14. Acronycta xyliniformis; head from above. 



15. Acronycia americana; head from side. 



16. Acronycta rnhricoma; head from side. 



17. Acronycia morula; head from side. 



18. Acronycta lutcicoma; head from side. 



19. Acronycta auricoma; head from side. 



20. Acronycia xyliniformis; head from side. 



21. ranthca portlandia; head from front. 



22. Charadra deridena; head from front. 



23. Acronycta americana; head from front. 



All from drawings by Dr. .T.B.Smith; and, except the heads, made with camera 

 lucida. 



Plate XVI. 



Venation of Acronycta and its allies: 

 Fig. 1. Venation of primaries of I'anthea portlandia toward the apex, and origin of 

 A'eins 2 to .5 of secondaries. 



2. Venation of Demasjiavicornis, female. 



3. Demaii Jlavicornis, showing origin of veins (5 to 11 on primaries with accessory 



cell absent. 



4. Variations in the shape of accessory cell and the origin of veins 6 to 10 in 



Demaa and Panthea. 



5. Charadra dispuha, venation of primaries toward apex, and origin of veins 2 



to 5 of secondaries. 



6. Venation of Harrimnemna trisiynata, female. 



7. Venation of Eaphiaf rater, female. 



8. Venation of Acronycta dactyllna, male. 



9. Acronycta heiitlac; showing origin of veins fi to 10 of primaries. 



10. Acronycia liiho<i2)ila; showing origin of veins G to 10 of primaries. 



11. Acronycia aiharufa; showing origin of veins 6 to 10 of primaries. 

 All from camera lucida sketches by Dr. J. B. Smith. 



Plate XVII. 



Leg structures in Acronycta and allies : 

 Fig. 1. All logs of Merolonche lupini. 



2. All legs of Arsilonche alhovenoxa. 



3. All legs of Acronycta daciylina. 



4. All legs of Harrisinnmna trisiynata. 



5. All legs of Charadra deridcns. 



6. All legs of Panthea portlandia. 



7. All legs of Raphia fraier. 



8. All legs of Demas ftaricornis. 



9. Anterior leg of male Acronycta rubricoma. 



10. Anterior femur and tibia of Acronycia americana. male 



11. Anterior leg of male Acronycia daciylina. 



12. Anterior leg of male Acronycia liastnlifera. 



13. Anterior leg of male Acronycta insiia. 



14. Anterior leg of male Acronycta leporina. 



15. Anterior leg of male Acronycta creiaia. 



