36 



PLEISTOCENE MAMMALIA. 



Fig. 17. — Thoracic vertebrae. A 1st, front view; B 3rd. right side view; C 11th, right side view; D loth, 

 front view ; all | natural size. From Rockbarton, Kilmallock, Limerick (Nat. Mus., Dublin), a, neural spine ; 

 6, neural canal ; c, prezygapophysis ; d, postzygapophysis ; e, transverse process ; /, surface for articulation with 

 head of rib ; g, surface for articulation with tubercle of rib ; h, anterior face of centrum. 



FlO. 18. — Lumbar vertebra'. A 2nd, right side view ; B 2nd, seen from above ; C 5th, seen from in front : 

 \ natural size. From Rockbarton, Kilmallock, Limerick (Nat. Mus., Dublin), a, mural spine : b, neural canal : 

 c, prezygapophysis ; </, postzygapophysis ; e, transverse process ; /, anterior face of centrum : g, posterior face of 

 centrum. 



