40 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IIQ 

 Pdp Chi PrC cxp IIIEndt 



Fig. 13. — Scorpionida. 



A, Chactas vanbcnedeni Gervais, female. B, Cciitniroidcs sp., chelicera. C, 

 same, movable finger of chelicera, mesal surface. D, same, anterior part of body,' 

 ventral, showing mouth parts and large preoral food cavity {PrC). E, same, 

 anterior end of body with chelicerae and pedipalps removed, exposing the mouth 

 {Mth) at base of coxal endites forming a basinlike under lip. F, Pandinns sp., 

 right first leg, ventral, showing large coxal endite. G, Ccntniroides sp., longi- 

 tudinal section through anterior end of body and labrum, with right chelicera 

 and base of right pedipalp in place. 



