-174 Fleas of Eastern United States 



PLATE XXIII 



Figure 



116. Nearctopsylla genalis (Baker), head of female. 



117. Peromyscopsylla hesperomys (Baker), head of female. 



118. Idem, receptaculum seminis and sternite VII. 



119. Idem, male genitalia. 



120. Nearctopsylla genalis (Baker), receptaculum seminis and sternite 

 VII. 



121. Idem, male genitalia. 



