386 ZOOLOGY SECT. 



ORDER 3. ICHTHYORNITHES 



Including Ichtliyornis (Fig. 994) and Apatornis. Tern-like Birds 

 from the Cretaceous of North America. 



FiG.[.904. Ichthyornis victor. The restored skeleton. (After Marsh.) 



ORDER 4. PYGOPODES. 

 Including the Divers (Colymbus) and the Grebes (Podicipes). 



ORDER 5. IMPENNES. 



Including the Penguins (Aptenodytes, Eudyptcs, &c., Fig. 995). 



