154 Fleas of Eastern United States 



PLATE XIII 



Figure 



62. Cerat&phyllus galliiuie (Schrank), male genitalia. 



63. Idem, receptaculum seminis and sternite VII. 



64. Ceratcyphyllus niger C. Fox, male genitalia. 



65. Idem, receptaculum seminis and sternite IX. 



66. Cerat&phyllus riparius Jordan and Rothschild, sternite IX. 



67. Idem, male genitalia. 



