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12 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY
TABLE 4.—Dimensions (mm) of different bones of the extinct Reunion Ibis. Threskiornis solitarius, modern T.
aethiopicus (USNM, MNHN, and UCB), and modern T. spinicollis (USNM). (a=proximal width measured without
external tubercle; «=number of specimens.)
Measurements
Quadrate
length from squamosal articulation
to mandibular articulation
Mandible
width at level of symphysis
dorsoventral length at same level
Coracoid
maximum length
internal length
proximal width
proximal depth
head width
sternal-facet length
sternal-facet depth
midshaft width
midshaft depth
Humerus
proximal width
Ulna
proximal width
proximal depth
midshaft width
midshaft depth
Carpometacarpus
total length
proximal width
proximal depth
distal width
distal depth
width metacarpale majus
depth metacarpale majus
Tibiotarsus
total length
proximal width
proximal depth
distal width
distal depth
midshaft width
midshaft depth
Tarsometatarsus
total length
proximal width (a)
proximal depth
distal width
distal depth
midshaft width
midshaft depth
Metatarsal I
total length
width distal articulation
Pedal phalanges
phalanx 1 digit I
total length
proximal width
phalanx 1 digit II
T. solitarius
mean («) range
18.9(1)
6.4(1)
5.2(1)
-58.2(1)
53.5(1)
15.8(1)
13.9(1)
8.5(1)
-25.2(1)
5.4(1)
9.2(1)
7.8(1)
32.3(1)
14.6(1)
13.6(1)
7.1(1)
7.2(1)
73.95 (2)
8.8(1)
17.95 (2)
8.6(1)
11.3(1)
5.65 (2)
5.0 (2)
144.5(1)
16.0(1)
21.6(1)
15.78(6)
15.80(3)
9.63 (4)
6.45 (4)
105.10(6)
17.85(6)
17.83 (3)
20.72 (5)
13.90(4)
7.98 (6)
5.65 (6)
16.8(1)
7.3(1)
27.4(1)
7.4(1)
73.0-74.9
17.3-18.6
5.5-5.8
4.8-5.2
-
-
-
15.0-16.1
15.2-16.6
9.1-10.3
6.3-6.6
103.4-106.9
17.2-18.5
17.0-18.4
19.4-21.3
13.7-14.5
7.2-8.4
5.5-5.8
-
-
-
T. aethiopicus
range («)
15.0-15.5(4)
4.7-6.3 (4)
5.0-6.8 (4)
51.5-59.0(12)
46.2-52.3 (12)
12.1-14.4(12)
11.3-13.0(12)
5.6-7.0(12)
19.4-23.4(12)
4.2-5.9(12)
6.7-9.0(12)
5.4-6.3(12)
26.4-30.0(12)
12.2-13.8(12)
11.7-13.5(12)
5.6-6.6(12)
5.7-6.7(12)
64.3-75.6(12)
6.5-7.5(12)
14.6-17.0(12)
6.2-7.7(12)
9.19-10.3(12)
4.8-5.5 (12)
3.9^t.6(12)
129.5-156.0(12)
12.6-15.5(12)
16.4-19.1 (12)
11.8-14.4(12)
12.3-14.7(12)
6.4-8.0(12)
4.6-6.5(12)
89.1-115.2(12)
13.4-16.5(12)
12.1-14.7(12)
13.7-16.2(12)
10.1-12.5(12)
5.3-6.7(12)
4.3-5.4(12)
13.4-15.8(12)
4.2-5.6(12)
25.5-29.4(12)
4.4-5.4(12)
T. spinicollis
range («)
55.8-57.0 (2)
49.6-51.8(2)
13.1-13.7(2)
12.3-12.3(2)
6.0-7.5 (2)
20.0-23.0 (2)
4.7-6.0 (2)
8.5-8.8 (2)
6.3-6.4 (2)
28.2-30.4 (2)
14.2-14.2 (2)
13.1-13.5(2)
6.3-6.7 (2)
6.2-6.8 (2)
73.6-75.2 (2)
7.4-7.4 (2)
16.6-17.2(2)
7.3-8.1 (2)
9.2-9.7 (2)
5.1-5.7(2)
4.2^1.8 (2)
133.4-137.0(2)
13.5-15.0(2)
18.0-18.8(2)
12.8-14.1 (2)
13.3-14.0(2)
7.0-7.5 (2)
5.5-6.0 (2)
89.0-96.7 (2)
14.9-16.4(2)
13.5-14.2(2)
15.3-16.5(2)
11.5-12.2(2)
6.0-6.8 (2)
5.0-5.1 (2)
15.0-15.8(2)
4.5-5.2 (2)
24.0-24.3 (2)
5.3-5.5 (2)