HuTTON. — 071 the Moas of New Zealand. 



131 



the maxillary suture about one and three quarter times the 

 breadth. Lower mandible strong. Plate XVI., fig. 6. 



Sternum without coracoid pits. Length of the body, from 

 I'l to 0-75 times the breadth. Costal processes large ; the 

 lateral processes nearly straight, diverging at an angle of 

 about 20° from the middle line ; the median posterior process 

 often long, rarely notched at the end. Breadth across the 

 ends of the lateral processes, about I'l times the breadth of 

 the body below the costal region. No scapulo-coracoid. 



Pelvis moderately broad ; the breadth at the anti-tro- 

 chanters about 1-25 times the length of the pre-acetabular 

 portion of the ilia. Length of the ilium, between 2-2 and 2-5 

 times that of its pre-acetabular portion. Metatarsus shorter 

 than the femur ; its length between 1-6 and 2 times the girth 

 at the middle of the shaft. Tibia from 2-1 to 2-25 times the 

 length of the metatarsus ; its length between 3-7 and 4-4 times 

 the girth of the shaft. Femur about 1-25 times the length of 

 the metatarsus ; its length between 1*9 and 2-1 times the 

 girth of the shaft. 



The presence of a hind- toe has been proved in S. casua- 

 rinus. The tracheal rings are ossified, thick, circular, deep, 

 and rough. Ext. Birds of N.Z., pi. xciii., figs. 13-32. 



Syornis rheides. 



Dinornis rheides, Owen, Trans. Zool. Soc, vol. iv., p. 1, 

 (1850), metatarsus only. Not D. rheides, Ext. Birds 

 of N.Z., pi. cix. 



Length of ilium, 22-5in. to 19-5in. ; of ischium, 9-7in. ; 

 breadth of sacrum, 9'7in. to 9in. Length of lower jaw, 6"75in. 

 to 6"2in. 



