ILLUSTRATIONS. 



List of Plates. PART I. 



Plate L Skull and Lower Jaws op Hespeeoenis eegalis. 



" II Teeth and Skull of Hespeeoenis eegalis. 



HI Ceevical veetebe^e of Hespeeoenis eegalis. 



IV. Ceevical teetebe^e of Hespeeoenis eegalis. 



" V. Ceevical and Doesal vertebrae of Hespeeoenis eegalis. 



TL Scapulae Aech and Sternum of Hespeeoenis eegalis. 



'■' \ 11 Sternum, Coeacoid, and Clavicle of Hespeeoenis ceassipes. 



" \'JLU Humerus, Scapula, and Shouldee-girdle of Hespeeoenis eegalis. 



IX. Ribs and Uncinate Peocesses of Hespeeoenis eegalis. 



' ; X Pelvis of Hesperoenis eegalis. 



" XI Pelvis of Hespeeoenis eegalis. 



" XLL Caudal veetebeje of Hespeeoenis eegalis. 



" XHL .. Femur of Hespeeoenis eegalis. 



: ' XIV. .. Tibia of Hespeeoenis eegalis. 



" XV Patella and Fibula op Hespeeoenis eegalis. 



' XVI Taeso-metatarsal of Hespeeoenis eegalis. 



' '■ XVLL Taeso-metataesal of Hespeeoenis ceassipes. 



" A V HI Phalanges of Hespeeoenis eegalis. 



if XTX. Phalanges and First Metataesal of Hespeeoenis eegalis. 



" XX. Restoeation of Hespeeoenis eegalis. 



PART II. 



Plate XXI Skull, Lowee Jaw, and Teeth of Ichthyoenis dispae. 



" XXLL Veetebe^e and Saceum of Ichthtoenis dispae. 



" XXIH Steenum and Coeacoid of Ichthyornis dispae. 



" XXIV Wing bones of Ichthyornis dispar. 



" XXV. Femur and Tibia of Ichthyornis dispae. 



" XXVL Restoeation of Ichthyornis dispar. 



" XXV 11. Cervical and Dorsal vejrtebbje of Ichthyoenis victoe. 



" XXV 111 Sacrum of Apatornis, and Caudal Vertebe^e of IcHTHYORris. 



" XXIX. Sternum and Scapular Aech of Apatoenis and Ichthyoenis. 



" XXX "Wing bones of Apatornis and Ichthyornis. 



" XXXL - Wing bones of Apatornis and Ichthyoenis. 



" XXXIL Pelvis of Apatornis and Ichthyoenis. 



" XXXIH Leg bones of Apatornis and Ichthyornis. 



" XXXIV Restoration of Ichthyoenis victor. 



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