1 Dorsurn of skull of Diceratosaurus punctolineatus (Cope), fiom the Coal Measures of Linton. 

 Ohio. Original in the Museum at Berlin I'niversity. X 2. After Taekel. /o=p<istorbital: 

 />-=frontal; />o/=postfrontal; ;'=iuyal; /.(-- lacrimal; /_t-=maxilla; /H = "peris<|iiamosal:" 

 />/>=post-parietal; ^/;r=premaxilla. 



2. Ventral surface of the skull of DifcratiisaHnis futnctolin, -,:::. ( . .pe ) , from the Coal Measures of 



Linton, Ohio. X 2. After Jaekel. a=anterior palatine vacuity; f.r exoecipital; /=jugal; 

 /// i - maxilla;/; transverse :/W=pala tine ;/>/ ptui 'y^nii !;./>/ =prevomer;^:="perisquamosal;" 

 p<' "posterior or suborbital i>alatiiu- vacuity; ///^pai'asphenoid. 



3. Pectoral girdle of /);>vv,/An,/.vr.s f>unctolincatiu (Cope), from the Coal Measures of Linton, Ohio. 



Original in the palL-nntnlo.u'k-al Musi-urn at Berlin. X 2. After laekel. rli IUIH-I side of 

 clavicle; zV=interclavicle; c/- clavicle (lower side); clt cleitlirum. 



4. (e) Cervical or anterior dorsal vertebra of Diceratosaurus /'iiiifMin,;itin~ ( Copt-), from the Linton, 



Ohio, Coal Measures. rz=caudal vertebra shown with its cap ot dermal bone; </r--dorsal 

 vertebra witli ribs; i --dermal plai'' on lu-iiral spiiu-; h= liiinieius; n ulna; r=radius. 



