LIST OF PLATES. 



I. Diagram of Qiuu-ry C. 

 II. Skull oi DiplodocuH lonr/us Marsh. 



III. Cervical Vertebrae of DIplodocuH carna/ii Hatclitr. 



IV. Cervical Series of Dijilodoctm camegii Hatcher. 



V. Anterior View of Cervical Series of Diploducus earnrgii Hatcher. 

 VI. Posterior View of Cervical Series of Diptodocus earnrgii Hatc^licr. 

 VII. Anterior Dorsals of Diplodocm camegii Hatcher. 



VIII. Anterior, Posterior, and Lateral Views of the Anterior Dorsals of Diphdiicm earnrgii 

 Hatcher. 

 IX. Posterior, Anterior, and Lateral Views of Twelve Anterior Caudals of Diij/odoexin ear- 

 nrgii Hatcher. 

 X. Comparative Views of Pelvis of IJiplodoeus and Brontosdnrus. 

 XL Hind Limb and Foot of IJiplodoeus exirncgii Hatcher. 

 XII. Pelvis and Caudal Vertebra of Diplodocus longus Marsh, after Osltorn. 

 . XIII. Restoration of the Skeleton of Diplodocus camegii Hatcher. 

 XIV. Top and Side View of Skull of Daphwnusfdinns Scott. 



XV. Side, Top, and Inferior View of Right Side of Skull of I'rolrmnoei/on iiijUdm Hatclier. 

 XVI. Inferior View of Posterior Portion of Skull of Vynodictin grcgariiis Cope; Left Ramus 

 of DaphcenuH felinm Scott ; Crown View of Right Ramus of rrotemnocyon inflatvAs 

 Hatcher; Crown View of Right Ramus of Daphwnua frlinm Scott; Inferior View 

 of Left Side of Skull of Daphanm frlinus Scott. 

 XVII. Vertebrje of Daphceiim felinus Scott. 

 XVIII. Mesosterni of DapliwnmfdinmSaoU, Seen from Above ; ()s I'enis of Ciinodieti.sgrrgtirlu.s 

 Cope; Os Penis of Da phwnm frlinm Scott; Axis of Protnanoei/on injlidus Hatcher; 

 Superior View of Atlas of Same ; Left Side of Third Cervicjil of Same ; Front View 

 of IJight Hind Knot of Ihiphnmis fr/itni.s Scott ; Front View of Hight Fore Foot of 

 Same. 

 XIX. Limb Bones of Dui>/i,nii(s fr/itiux Scott. 

 XX. Mounted Skeleton of J>aj,l,uni(s frlinus ^ott. 



XXI. Dorsal Aspect of the Pelvis of I'lotux Irvuikanfi ; Basal View of tlic Skull of Pborthon 

 a-thrrem ; Superior Aspect of the Skull of Pharlhon faviroxtris; Skeleton of the Left 

 Foot of /"'yrf/ff/rt (iqiii/a : Ventral View of the Sternum of /V(«;7/(o/i (r/Ar/riw ; Left 

 Lateral Aspect of the Trunk Skeleton of P/metlion flavirostrlx. 

 XXII. Right Lateral View of the Skull and Mandible of Sidu go.sui ; Basal View of Same 

 Skull ; Basal View of the Skull of »S'«/« brrirdrri. 



