PALZONTOLOGICAL NOTES 261 
Fic. 2.—Vertebra from the middle portion of the column of Lysorophus. Twice 
natural size. 
Fic. 3.—Lateral view of the first sacral vertebra of an undetermined Pelycosaurian. 
Natural size. The distal end of the sacral rib is detached. 
Fic. 4.—Posterior view of the same vertebra with the distal end of the rib attached. 
Natural size. 
Fic. 5.—Restoration of the shoulder girdle of a Pelycosaurian, Embolophorous (2). 
One-fourth natural size. 
Fic. 6.—Profile view of the scapula and epicorcoid shown in Fig. 5. The cora- 
coid is not shown. One-fourth natural size. 
Fic. 7.—Restoration of the pelvis of the same animal as shown in Fig. 5. One- 
fourth natural size. 
