PROFESSOR OWEN ON THE GENUS DINORNIS. 157 



DESCRIPTION OF THE PLATES. 



PLATE XLIII. 



(All the figures are of the natural size.) 



Fig. 1. Front view of the left femur oi Dinornis etephantopus. 

 Fig. 2. Upper view of the head of the same bone. 

 Fig. 3. Under view of the condyles of the same bone. 

 Fig. 4. Front view of the left tibia of Dinornis elephantopus . 

 Fig. 5. Upper articular end of the same bone. 



k. epicnemial ridge ; p. procnemial plate ; e. ectocnemial process ; a. inner 



condyle ; b. outer condyle ; /. tendinal groove and bridge. 

 Fig. 6. Left fibula of Dinornis elephantopus: the side which is applied to the tibia is 



shown. 



PLATE XLIV. 



(All the figures are of the natural size.) 



Fig. I. The bones of the left foot of Dinornis elephantopus: ii., iii. & iv. indicate the 

 distal trochlese of the metatarsus ; ii. i, 2, 3, the three phalanges of the inner 

 toe; III. 1, 2, 3&4, the four phalanges of the middle toe ; iv. i, 2, 3, 4&5, the 

 five phalanges of the outer toe. 



Fig. 2. The proximal articular surface of the metatarsus : e. the internal, c. the external, 

 articular cavity ; ec. the ectocalcaneal, mc. the mesocalcaneal, process. 



Fig. 3. The distal trochlese of the metatarsus : ii. that of the inner toe ; in. that of the 

 middle toe ; iv. that of the outer toe. 



Fig. 4. The proximal articular surfaces of the proximal phalanges of the three toes. 



Fig. 5. Side view of the ungual phalanx of the middle toe. 



PLATE XLV. 



Fig. 1. Front view of the left metatarsus of an immature Dinornis elephantopus: a. its 



proximal end uncovered by the tarsal epiphysis. 

 Fig. 2. Back view of the left metatarsus of an immature Dinornis crassus. 



VOL. IV. PART v. 2 a 



