NO. 2222. NORTH AMERICAN ONYCHIURINAE—FOLSOM. 657 



Plate 69. 



Fig. 7. Onychiuriis dentatus,XlQ. 



8. Onychiurus ramosus,XQ2. 



9. Onychiurus fimetarius,X'iO. 



10. Onychiurus pseudofimetarius,XGl- 



11, Tullbergia collis,X'^^- 



Plate 70. 



Fig. 12. Onychiunts similis, left postantennal oi^an,X1120. 



13. Onychiurus similis, left antennal sense organ, X1120. 



14. Onychiurus similis, left hind foot, X 652. 



15. Onychiurus similis, anal segment, X 166. 



16. Onychiurus similis, left anal spine, X 652. 



17. Onychiurus similis, clothing, median dorsal line of first abdominal 8^- 



ment,X346. 



18. Onychiurus similis, cuticular tubercles of body, X 652. 



19. Onychiurus cocklei, right postantennal organ, X 1232. 



20. Onychiurus cocklei, left antennal base, X 200. 



Plate 71. 



Fig. 21. Onychiurus cocklei, left antennal sense organ, X 1120, 



22. Onychiurus cocklei, left hind foot, X 652. 



23. Onychiurus cocklei, anal segment, X 166. 



24. Onychiurus cocklei, right anal spine, X400. 



25. Onychiurus cocklei, clothing, median line of metano turn, X 300. 



26. Onychiurus cocklei, clothing, median dorsal line of first abdominal seg- 



ment, X 520. 



27. Onychiurus cocklei, clothing, median dorsal line of first abdominal seg- 



ment, X 346. 



28. Onychiurus cocklei, cuticular tubercles of body, X 652. 



Plate 72. 



Fig. 29. Onychiurus subtenuis, left postantennal organ, X 1120. 



30. Onychiurus subtenuis, left postantennal organ, X 1120. 



31. Onychiurus subtenuis, left antennal base,X346. 



32. Onychiurus subtenuis, left antennal sense organ, X 1120, 



33. Onychiurus subtenuis, right hind foot, X 652. 



34. Onychiurus subtenuis, anal segment, X 166, 



35. Onychiurus subtenuis, left anal spine, X 260. 



36. Onychiurus subtenuis, anal spines, X260. 



37. Onychiurus subtenuis, clothing, median dorsal line of first abdominal seg- 



ment, X 346. 



38. Onychiurus subtenuis, cuticular tubercles of body, X 652. 



Plate 73. 



Fig. 39. Onychiurus litoreus, right postantennal organ, X 504. 



40. Onydiiurus litoreus, right mid foot, X 980. 



41. Onychiurus litoreus, anal spines, X 652. 



42. Onychiurus litoreus, cuticular tubercles of body, X 652. 



43. Onychiurus armatus, right postantennal organ, X 1120, 



44. Onychiurus armatus, pseiidocellus of antennal base, X 1120. 



45. Onychiurus armatus, right antennal sense oigan, with six papillae aa an 



abnormality, X 1120. 

 77403— Proc. N. M. vol. 53—17 42 



