PROC. U S. NAT. MUS VOL. 



FROESCHNER. PLATE 5 



submardinal 

 seti^erous punctures 

 clypeus 

 jugum 



~ primary 

 setigerous punctures 



transverse impression 



umbone 



clavus 



claval suture 

 mesocorlum 

 exocorium 

 radial vein 



conum 



membranal suture 



- jugum 

 -^ ^buccula 

 ^^ ^enal suture 



maxillary plate 

 -prosternal carinae 



evciporatoriQ 

 peritreme 

 lateral area 

 lamella 



spiracle 



> submardmal , 

 setigerous tubercles 



f" — trichobothriQ 



^hF Xt^^^^ 



-genital capsule (male) 

 -genital plates (femali 



Exiernal features used in 

 18, Prolohodes giganteui 

 of female. 



ke>'s and desciiplions: 17, Prolohodes giganteus. dorsal view; 

 ventral view of male, with projection showing: external genitalia 



