LIS T OF ILL US TRA TIONS. IX 



Pa«e. 



Apices of ovipositors : o, Polysphincta texaiui Cresson ; &, Eymenoepi- 



meois iciltii (Cresson); Mandible; c, H. tmltii (Cresson) 389 



Apex of ovipositor of Theronia fulvesceiis Cresson 389 



Apices of ovipositors: a, Itoplectis canqMisitor Say; b, Apechthis pictir 



cornis (Cresson) 389 



Apex of abdomen of female of Coleocentrus occidentalis 390 



Areolet of Lahena grallatoi- (Say) 390 



Areolets: a, Tromatohia rufovariata (Cresson) ; b, Itoplectis conquisitor 



(Say) ; c, Epiurus alboricta (Cresson) 390 



Sessile first tergite of Perithous pleuralis (Cresson) 390 



Petioatel first tergite of Xorides yukonensis (Rohwer) 390 



Mandible of Poemenva americana (Cresson) 391 



Female of Labena confusa Rohwer 412 



Female of Rhyssella nitida (Cresson) 424 



Propodeum of Zonde* picea*u« (Rohwer) 434 



Front view of head of Xoi'ides albopictus (Cresson) 437 



Propodeum and basal abdominal segments of Xorides albopictus 



(Cresson) 437 



Apical abdomen segments of Xorides albopictus (Cresson) 437 



Female of Xorides rileyi (Ashmead) 440 



Front view of head of Deuteroxorides caryae (Harrington) 446 



Propodeum and basal abdominal segments of Deuteroxorides caryae 



(Harrington) 446 



Apical abdominal segments of Z)c«feroa:ori<Ze« caryae (Harrington) 446 



Female of Deuteroxorides caryae (Harrington) 447 



Female of Odontomerus canadensis Provancher 459 



Female of Phytodietus annulatus (Provancher) 467 



Femaie of Phydotietus annulatus (Provancher) 467 



Diagram showing relation of dike to vein, Hecla Mine. A, Dike; B, 

 Crushed material with quartz and ore; C, Galena; D, Quartzite wall 



rock ; width of section 15 feet 481 



Showing relation to dikes (A) to vein (B) on No. 1 level of Marsh Mine_ 484 

 Showing relation of dike (A) to vein (B) on 2,000-foot level of Standard- 

 Mammoth Mine 492 



Showing relation of dike (A) to vein (B) on 1,200-foot level of Standard- 

 Mammoth Mine 492 



Coleocentrus occidentalis. Side view of abdomen, a, female ; b, male 505 



Coleocentrus occidentalis Cresson. Adult female enlarged about 3 diam- 

 eters 510 



Arotes decorus (Say). Adult female enlarged about 3.5 diameters 518 



Ferrissa bartschi, new species 525 



Eeterophyes heterophyes. Ventral view. 2. E. h., Chitinous rodlets of 

 genital sucker. 3. E. fraternus, ventral view. 4. E. persicus, ventral 

 view. 5. Metagonimus yokogawai, dorsal view of adult from dog. 



6. M. yokogawai, encysted cercaria from scale of fish .532 



Metagonimus ovatus. 7. Ventral view 540 



Loosia romanica. 8. Ventral view. 9. L. romanica. Sagittal section 



through region of ventral sucker. 10. L. patTa, ventral view 542 



Cryptocotyle concava. 11, ventral view. 12. C. lingua, ventral vi©w. 13. 



C. lingua. Sagittal section through region of genital pore .545 



Cryptocotyle lingua from dog (Eallum canium, Wigdor's specimen). 



14, ventral view. 15, C. lingua from seal, ventral view .546 



