1966] 
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205 
Figs. 22-23. Lohoptera decipiens (Germar), female from Natick culture, 
originating in France. 22. Posterior view of genitalia. 23. Spermathecae. 
Figs. 24-25. A gmoblatta thaxteri (Hebard), female from Natick culture, 
originating in Buenos Aires, Argentina. 24. Posterior view of genitalia. 
25. Spermathecae. 
Abbreviations: inst. f. ~ intersternal fold; p p. = paraprocts; pt. = 
paratergites ; v.l — first valve; vlf. la. = first valvifer arm; S VII = 
sternum VII ; TX — tergum X. 
