PHYLOGE.XY OF THE PAL/EOGNATlIJi AND NEOGNATiLE. 285 



PLATE XXXVIII. 



Casuariits loricv. l^oria's Cassowary (p. 142). (Drawn from a sketch made from 

 a fresh-killed bird by Dr. Loriu.) 



PLATE XXXIX. 



Ca.wariiis hennctti. Bennett's Cassowary (p. 14-3). (Drawn from life from a bird 

 formerly at Tring, now in the Zoological Society's Gardens.) 



PLATE XL. 



Map showing the geographical distribntion of the six subspecies of Casuariu!< 

 cuauarius and of Casuarius hicarunculatus. 



PLATE XLI. 



Map sliowing the geographical distril)ution of the three subspecies of CatmariuH 

 unapiicndiculatus, two of Casuarius jja^/iiaims, tvvo of Casuurius jjicticollis, Casuarius 

 Iori(v, and Casuarius hennetti. 



PLATE XLII. 



The dorsal aspect of the Skull (figs. 1-4). 

 Fig. 1. The skull of Bhea americana (p. 270), to show the form of the temporal fossa. 



the partly fused mesethmoid plate, the form of the lachrymals and nasals, 



and the broad nasal process of the premaxilla. 

 Fig. 2. The skull of Lronmus noMV-hollandiff (p. 270), showing the rod-like nasal 



process of the ])remaxilla, the fused lachrymal, broad interorbital region, and 



widely separated temporal fossaj. 

 Fig. 3. Tiie skull of Struthio molyhdophancs {\i. 269), showing the supra-orbital ossicles 



running backwards from the laclirymal to the frontal, and the broad nasal 



process of the premaxilla. The niesethnioidal suture is obliterateil. 

 Fig. 4. The skull oi Apteryx ausfjrilis (p. 269), showing the small size of the lachrymal 



and the absence of its supra-orbital processes, the complete fusion of the 



nasal pmcess of the premaxilla, and the rounded form of the frontals, which 



do not protect the orbit above. 



Ventral aspects (figs. 5-8) 



Fig. 5. Tlie ventral aspect of fig. J, showing the large size of tlie palatine 

 processes of the premaxilla and of the maxillo-palatine processes. The 

 peculiar relations between the vomer, palatine, and pterygoid (desciibed on 

 p. 207), and the anterior end of the parasphenoidal rostrum between the 

 anterior cleft of the vomer. 

 VOL. XV. — PART V. No, 2o. — Ikccmbcr, J 900. 2 r 



