13 
Fig 
Fig 
Fig 
6 
LIST OF PLATES. 
Prate VII. 
. 1. Didunculus strigirostris, one-third of natural size, (reduced from the figure in Mr. Gould’s “ Birds of 
Australia.’’) 
». 2. Head of ditto, natural size, to show the extension of the cere round the eye, the nostril opening downwards, 
the great curvature of the upper, and the teeth on the lower horny sheath, with the abrupt termination 
of both. 
. 3. Head of Zreron abyssinica. The peculiar columbine cere and pouting of the nasal scale, the oblique orifice 
of the nostril inclined forwards and upwards, and the abrupt termination of the horny sheaths are shown. 
. 4. Head of Verrulia carunculata, to show the great development of wattles in a member of the Colwnbide. 
abe 
Front view of left leg of Treron abyssinica. 
Fig. 5a. Side view of ditto. 
Fig. 6. Front view of ditto of Geophaps scripta. 
Fig. 6 a. Side view of ditto. 
In the former the inner toe is shorter, in the latter longer, than the outer. 
Puate VIII. 
Side view of the skull of the Dopo. 
els 
nee 
a Ue 
ox me oo to 
Puate IX. 
Upper view of skull of the Dopo. 
Lower view of ditto. 
PLaTE IX.* 
Back view of skull of the Dopo. 
Upper view of lower jaw. 
Lower view of ditto. 
Inner view of ditto, partly in outline, as it could not be viewed directly by the artist. 
Circle of sclerotic bones in the Dopo, with the sclerotic coat of the eye-ball. 
PuatTe X. 
Side view of skull of Didunculus strigirostris. 
Fig. 1 a. Back view of ditto. 
. 1 6. Upper view of ditto. 
rh neehaiee) veel ieey Nee 
gg 09 
da da da" da" da 
ez 
. 1 c. Lower view of ditto. 
4 Be 
. 2a. Back view of ditto, similarly reduced. 
3). 
4, 
5. 
6. 
g. 7. 
g. 7 a. Inner view of ditto. 
g. 7 6. Lower view of ditto. 
ig. 8. 
ig. 9. 
g. 9 a. Back view of ditto. 
Side view of skull of the Dopo, reduced to one-third for more accurate comparison. 
Side, Fig. 3 a. back, 3 4. upper, and 3 c. lower views of skull of Treron chlorigaster. 
ditto. 4a. — 46. — andd4c. 
ditto. 5a — 56 — and 5c. Geophaps Smithit. 
Section of skull of Zreron chlorigaster, to show the great development of the frontal diploé, which in the 
Dopo forms the inter-orbital protuberance. 
Goura Steursii. 
Outer view of tympanic bone of Didunculus strigirostris. 
Articular surface of lower jaw, of Didunculus strigirostris. 
Front view of metatarsus of Didunculus strigirostris. 
