498 University of California Publications in Geology [Vol. 10 



Figs. 18, 19, and 20. Nothrotherium shastense hawveri, n. subsp. Fifth, sixth, 

 and seventh caudal vertebrae, nos. 21478, 21479, and 21480, X Fig. 18, fifth 

 vertebra, anterior view; fig. 19, sixth vertebra, anterior view; fig. 20, seventh 

 vertebra, anterior view. Pleistocene of Hawver Cave, near Auburn, California. 



