NO. 10 



TEEDINC 01<(;.\N> OI' AKACllMDA 



NOUOKASS 



00 



Epst 



Lm' '^v A 



--Lm 



Fio. i8. — Arancida-Mygalomorj)h;if. 



A, Eurypclma hctitzi Chamb.. female, prosoma. with pc<lii)ali>s and lens re- 

 moved. B, same, cpistonie and lahrnni, anterior. C, same, left jH-dipalp, mesal. 

 I), same, pretarsal claw of pcdipalp exj)<)sed on end of partly denudetl tarsus. 

 K. Eurypclma calijornica Ausser, male, tarsus and pretarsus of pcdipalp. with 

 muscles (from Barrows, 1925). F, Eurypclma hcut:i Chamb., female, basal 

 part of left pcdipalp. G, same, terminal segments of |>cdipalp, ventral. H, 

 AtypHS bicolor Lucas, prosoma and ba.ses of appendages, ventral, showing large 

 co.xal processes of pcdipalp coxae. 



