PLATE III 



A. Anterior view of MONOCLONIUS (CENTROSAURUS) FLEXUS, show- 



ing restoration and skeleton of Yale Peabody Museum specimen, No. 2015. 



B. Skin impression of MONOCLONIUS (CENTROSAURUS) CUTLERI, 



from the flank region. American Museum specimen, No. 5427, about 1/2 

 natural size. 

 Courtesy of the American Museum of Natural History. 



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