PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 79 



The slender portion of the tail is 152/a long. Two ovaries are present. 

 The eggs are thin shelled and 85/* to 129)u, long and about 60/a wide; 

 they are unsegmented. 



C(i/m 



vam 



\o.i(nm 



Figures 7-8b. — Passalurus nonanulatua: 7, Anterior end of male ; 8a, posterior end 



of female from Canis leates; 8b, posterior end of female from Lepus amerlcanus 

 Figure 8c. — Passalurus aniMguus: Posterior end of female, showing the moniliform 



condition 

 FiQUBES 9-11. — Passalurus nonanulatua: 9, En face view ; 9a, egg ; 10, posterior end 

 of male, ventral view ; 11, posterior end of male, lateral view 



