` ~ 1 У > =p - 24 . . , ` . . 
Fic. 8.—Sacrum and fifth lumbar vertebra from male skeleton 255.217, Louisiana, showing, on right, overgrowth of the lateral mass of the sacrum and its irregular, 
as well as partly arthritic, articulation with the also enlarged lateral process of the last lumbar vertebra (“ partial assimilation of the last lumbar”). 
