CLASSIFICATION, AND PHYLOQENT 01^ THE DINOENlTHIDJi. 429 



EXPLANATION OF THE PLATES. 



PLATE LVI. 



Figs. 1-4. Four views of a perfect skull of Emens, species a, in the Otago University 

 Museum. Natural size. 



PLATE LVII. 



Figs. 5-8. Outline sketches of figs. 1-4, with the various bones distinguished by colour. 



PLATE LVIIL 

 Fig. 9. Back view of the skull shown in Plate LVI. 

 Fig. 10. Cranium of Emeus, species a, in horizontal section. 

 Fig. 11. The same in sagittal section. 



Figs. 12 & 13. Two views of an immature cranium of Anomalopteryx didiformis, 

 Owen. 



All natural size. 



PLATE LIX. 



Figs. 14-18. Outline sketches of figs. 9-13, with the various bones distinguished by 

 colour. 



PLATE LX. 



Fig. 19. Skull of Mesopteryx casuarina, in Dr. H. O. Forbes's Collection. 

 Figs. 20 & 21. Two views of the skull of Mesopteryx, species 3, in the Colonial 

 Museum, Wellington. 



Both natural size. 

 Fig. 22. Skull of Pachyornis elephantopus, in Dr. H. O. Forbes's Collection. 



Five-sixths natural size. 



PLATE LXI. 

 Figs. 23-34. Outlines of the crania of various species of Dinornithidae, from above. 



Drawn to the same absolute size with the camera lucida. 

 Figs. 35-46. A similar series of outlines from the left side. 



PLATE LXII. 

 Figs. 47-58. A similar series of outlines from behind. 



Figs. 59-64. The maxillo-jugal arch (maxilla only in Rhea) of various Eatit*. 

 Natural size. 

 VOL. XIII. — PAKT XI. No. 8. — October, 1895. 3 p 



