. 682 SHUFELDT—OSTEOLOGY OF THE STRIGES. [Dec. 7, 
. 
Fic. 6. Trunk skeleton, without the skull, of Aszo wilsonianus. Adult;! life- 
size. at., atlas; @x.,axis; cv., cervical vertebree; c,c’, cervical ribs; d@v., 
dorsal vertebree; #, two of the dorsal series of ribs; s. 7, sacral rib; z., 
the unciform or epipleural appendage of the third dorsal rib; ¢. ~., costal 
or sternal ribs (hemapophyses); /., pelvis; /., ilium; /s., ischium; 7, 
pubis; a@.,acetabulum ; 77., ischio-iliac foramen; 0., obdurator foramen; c/w., 
caudal vertebree; Zy., pygostyle; s., scapula; ofs., os humero-scapulare ; 
cZ,, clavicle; C., coracoid; S., sternum. (This figure is a lettered scheme 
to Fig. 30, Plate X VIT.) 
