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DESCRIPTION OF THE PLATES. 
PLATE LVI. | 
(All the figures are of the natural size.) 
_ Front view of the left femur of Dinornis elephantopus. 
Upper view of the head of the same bone. 
Under view of the condyles of the same bone. 
_ Front view of the left tibia of Dinornis elephantopus. 
. Upper articular end of the same bone. 
k. epicnemial ridge; p. procnemial plate; e. ectocnemial process; a. inner 
condyle ; b. outer condyle ; f. tendinal groove and bridge. 
Left fibula of Dinornis elephantopus: the side which is applied to the tibia is 
shown. 
PLATE LVII. 
(All the figures are of the natural size.) 
_ The bones of the left foot of Dinornis elephantopus: u1., 1., & Iv. indicate the 
distal trochlez of the metatarsus; 11. 1,2,3, the three phalanges of the inner 
toe; 111. 1,2,3,&4, the four phalanges of the middle toe ; rv. 1,2,3,4,&5, the 
five phalanges of the outer toe. 
. The proximal articular surface of the metatarsus: e. the internal, c. the external, 
articular cavity ; ce. the ectocalcaneal, mc. the mesocalcaneal, process. 
The distal trochlez of the metatarsus: 11. that of the inner toe; 111. that of the 
middle toe ; 1v. that of the outer toe. 
. The proximal articular surfaces of the proximal phalanges of the three toes. 
. Side view of the ungual phalanx of the middle toe. 
PLATE LVIII. 
. Front view of the left metatarsus of an immature Dinornis elephantopus: a. its 
proximal end uncovered by the tarsal epiphysis. 
. Back view of the left metatarsus of an immature Dinornis crassus. 
PLATE LIX. 
The skull of the Dinornis elephantopus : nat. size. 

