PROC. U. S. NAT. MUS— KELLOGG 



Lophocetus pappus, new species (USNM 15985); 1, anterior view, atlas; 2, same, sixth 

 cervical vertebra; 3, same, fifth cervical vertebra; 4, same, seventh cervical vertebra; 5, 

 posterior view, atlas; 6, same, sixth cervical vertebra; 7, same, fifth cervical vertebra; 8, 

 same, seventh cervical vertebra. 



