315 
Table of Admeasurements. 
Aptornis defossor. Aptornis otidiformis. 
Skull. in. lines. in. lines. 
ci 2S PEN a se pers AU 8 oy sata EA eR Anes tyler Ue Re [8 6 2 
Breadth (across paroccipitals) ........ 0... ccc eee ce ee ee cees 3 3 2 9 
Breadth (across postfrontals) .......... hs fd ee ee ees 3 2 2 10 
Breadth (across temporal foss@) ........ 0... c ee ee ce eee eee 2 3 1 1 
Breadth of base of upper mandible at fore part of orbit ...... Z 6 1 3 
Breadth of middle of upper mandible ..................005. 1 4 1 1 
Breadth of fore end of upper mandible .................-.. 0 7 oO 
Length of cranium to coalesced premaxillary................ 2 6 2 2 
A De DUCT UIATY £52 Ly Pyle 4 9-7 bale Sipe alee sp eee oa 5 0 4 3 
From the fore part of external nostril to the end of the pre- 
DORIS oy eat AT eae a thay 4a Piala ns Vb eae Fa ea 2 9 2 3 
From the superoccipital ridge to the lower border of the fore 
PRMIAP CU DOTORLUOS Ere hy «bs Sry egy tia bis eb Vay yee pind 2 6 2 1 
Femur 
BSR CR 02 scot ai Us fos eye roca! pee tated gl Ae ERE oe ee eS 7 6 6 2 
Breadth of proximal end, in the axis of the neck ............ 2 2 1 9 
Breadth of distal end, across the condyles ............-..55. 2 2 1 9 
Circumference of middle of shaft ............ cee cece eee 2 9 2 3 
Tibia 
RST fa ere Si See neces ded a bas pueichae no heey tae EET ea" ohh Pe 10 3 8 9 
PYCHA OL PLOMUNLAL CUM ss o515) pes 0 Fam qgls owe Ba ee 4 OY 2 3 1 9 
Breadt-oF- distal ened oo cip ces a tgs ses tis ayes wre a Seo ite aes 1 10 1 3 
Circumference of middle of shaft ..........ee cece eee eee 2 6 eee 
Metatarsus 
Tperiethi oc fecha visas + wd ae ole espe Revie det alee tee tn 4 4 3 610 
Breadth (transverse) of proximal end...........020 e550 e005 1 8 1 5 
Breadth (transverse) of distal end .......- ++ eey steerer aces 1 9 1 6 
Breadth (transverse) of middle of shaft .........+++++++++>: 0 il 0 8 
Breadth from fore part of proximal end to back part of caleaneal 
1 6 1 4 
PYGOGE Sy sk Vee he ee Mee ne Seat R 
DESCRIPTION OF THE PLATES. 
PLATE LXXXITI. 
Aptornis defossor. 
Fig. 1. Side view of skull. 
Fig. 2. Top view of skull. 
Fig. 3. Base view of skull (without mandible). Ma 
Fig. 4. Side view of mandible of Aphanapteryx (ex A. Milne-Edwards, ‘ Ibis, 
July 1869). a 
N 
