Corvip. | OSTEOLOGIA AVIUM. [CaLLHATINA. 
Struthidea, Gould. 
Cinerea, Gould. 
Cranium very round over the vertex. Occipital crest very small, with a slight 
depression between the orbits, which are large, and with a large foramen through the 
septum. Nostrils large. Palatine bones very broad, posteriorly with a blunt spine on 
each side, the central edge deflected slightly for the posterior half, united at their 
articulation, with the interarticular bones gradually narrowed towards their anterior 
extremities. 
Sternum long, indented, with two fissures on the posterior margin, much retiring 
from the manubrial process, which is large and prominent; bifcurcate at the end. 
Keel of moderate depth, straight on its inferior edge. 
Pelvis broad, divisions of the vertebre apparent.. Ischiadic foramen large ; obturator 
foramen rounded, open, not a mere slit as in most birds. 
Ribs of moderate size; styliform process turned much upwards. 
Furculum much expanded ; process at their junction of the rami small. 
Coracoids long, of moderate size. 
Scapule long, broad. | 
Wing bones of moderate size; ulna longer than than the humerus. 
Leg bones metatarsus, very long. 
Measurements. 
Tenths. | Tenths. 
lienctiofiuimernns 9 57 7 oe T4 Breadth of anterior . ee 
Hengihofulba® o0 "+e 27%. FO Mareinot ditto,» |e ie ae eee 
Length of metacarpus ... . 8 Deptheat keels a ay oe eee 
Agenoth jor dente ay i. ot eee Iength of head . 4. . . «1. VY 
enethvoiuibignsue © esr amc onc Breadth of head 1. 5 &) epi teae ee 
Length of metatarsus. . . . . I Length of pelvis . . . . . . 16 
Length of sternum ... =, . 16 Breadthof pelvis . . « “4 « 98 
Breadth of posterior margin . . 9 
Iilustration. 
Sup. 2, pL 7. Details, pl. 7, F. 
Struthidea presents a strong resemblance to kitta in the shape of the palatine bones 
and sternum, but pelvis is narrower. _ 
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