36 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I lO 



Fig. 12. — Chelonethida. 



A, Apochthoniits intermedins Chamb., mouth parts, dorsal; li. Is, appendicular 

 lobes of pedipalp coxae (from Chamberlin, 1931). B, Gary pus sp., mouth parts, 

 ventral, pedipalp coxae spread apart showing lophognath (Ipg) in groove of 

 taphrognath (tpg) (from Pocock, 1902). C, Garypns sini Chamb., cross section 

 through anterior part of carapace and bases of pedipalps, showing relation of 

 lophognath {Ipg) to taphrognath {tpg) (from Chamberlin, 1931). D, same, 

 section of taphrognath and lophognath more enlarged. E, same, cross section 

 of pharynx (from Chamberlin, 1931). F, diagram of chelonethid ingestion 

 apparatus based on Croneberg (1888) and Chamberlin (1931) ; a, connection 

 of lophognath with pedipalp coxa, b, cut edge along b in C. 



