PROFESSOR OWEN ON THE GENUS DINORNIS. 379 
Femur of Dinornis gravis. Nat. size. 
PLATE LX. 
Fig. 1. Front view. Fig. 2. Lower articular surface. 
PLATE LXI. 
Fig. 1. Back view. Fig. 2. Upper articular surface. 
In both Plates. 
a. The head. q. Linea obliqua longitudinalis superior 
b. The depression for ligament (part of). interna; gq’, inferior. 
c. The trochanterian articular surface. q'. Ectocondylar branch. 
d. The neck. | 7. Medullarterial orifice. 
é. Non-articular surface. 7’, Entocondylar branch. 
f. Epitrochanterian ridge. s. Small trochanterian surface. 
g. Pretrochanterian surface. ¢. Rotular channel. 
h. Pretrochanterian ridge. ¢t’. Anterior intercondylar ridge. 
7. Angle between trochanterian surfaces. u'. Entocondylar surface. 
j. Ectotrochanterian surface. v. Intercondylar fossa. 
k. Ectotrochanterian ridge. w. Posterior intercondylar ridge. 
l. Ectotrochanterian tuberosity. x. Ectocondylar surface for tibia. 
y. Fibular surface. 
z. Popliteal space. 
m. Post-trochanterian surface. 
n. Upper gluteal surface. 
o. Lower gluteal surface. 
p. Linea obliqua longitudinalis superior 
externa ; p’, inferior ditto. 
[The specimens of Dinornis gravis, above described and figured, were discovered in 
the bed of the Kakamai river, South Island, by Wm. Fenwick, Esq. I am indebted to 
the kindness of the Baroness Burdett Coutts for the loan of the specimens. | 
Postscript.—Since writing the above I have received from my zealous and accom- 
plished correspondent in New Zealand, Julius Haast, Ph.D., F.R.S., Government 
Geologist of the Province of Canterbury, the following announcement of the discovery 
of remains of a bird of prey which may truly be termed gigantic. 
These remains were discovered and recognized by Dr. Haast’s assistant, Mr. F. Fuller, 
while directing some excavations in a marsh on the Glenmark estate. ‘They consist of 
a left femur, two claw-phalanges, a vertebral rib, with its ankylosed epipleural appen- 
dage, and a muilated right humerus, the latter being subsequently discovered in a 
watercourse, about two miles from Glenmark. Dr. Haast, who has kindly sent me 
3H2 
