NO. 13 



STAPH YLINIDAE BLACKWELDER 



29 



disks (rndts) at its ends. There is apparently just behind this small 

 ridge and corresponding with a line or suture on the ectal surface, the 

 prescutal suture (fig. 4 A, pscs), a large transverse phragma ex- 



FiG. 5. — Endoskeleton of trunk of Creophilus villosus (Grav.). 

 A, endoskeleton of the dorsum. B, endoskeleton of the venter. 



tending between the anterior notal wing processes (fig. 4 A, anp), and 

 posteriorly at the sides to the prescutoscutellar suture (pss), and 

 more or less united to the prephragma. On the midline this phragma 



