78 MR. ST. GEORGE MI V ART ON THE SKELETON OE THE PRIMATES. 
DIMENSIONS AND PROPORTIONS OF RADIUS AND ULNA. 
Radius and ulna of 
Length 
of 
radius. 
Transverse 
diameter of 
its distal end. 
Length 
of 
ulna. 
Spine MOO 
: : length of 
radius : 
Length of 
humerus : 100 
: : that of 
radius : 
Man 
inches. 
9-90 
inches. 
1-40 
inches. 
10‘85 
34-7 
73-8 
T. Gorilla 
14-20 
1-80 
15-00 
52-5 
81-6 
T. niger 
10-90 
1-31 
11-60 
49-5 
93-1 
Simia . . 
13-65 
1-54 
14-25 
63-4 
98-9 
Hylobatcs 
10-13 
•61 
10-30 
82-3 
111-3 
Hylohates 
9-55 
.-60 
9-75 
87-6 
106-1 
Colobus . ' 
. 5-68 
•63 
6-60 
30-3 
90-8 
Semuopithecus 
6-25 
•64 
7-00 
39-0 
108-6 
Cercopithecus 
4-4 
•45 
5-00 
35-2 
97-3 
5-50 
•62 
6-25 
42-9 
95-6 
Cynocephalus 
10-18 
•95 
11-00 
47-7 
110-6 
Cynocephalus 
8-35 
•99 
9-25 
40-5 
100-6 
Ateles 
8-00 
■60 
8-70 
62-9 
103-8 * 
Lagothrix 
5-90 
-53 
6-70 
44-6 
88-7 
Cebus 
3-68 
•41 
4-20 
35' 7 
. 84-5. 
Mycetes . . . 
5-40 
•54 
6-10 
36-7 
93-1 
Pithecia 
2-80 
•31 
3-20 
32-9 
J 84-8 
t 95 ’ 2 
Brachyurus 
3-15 
■39 
3-73 
32-4 
75-9 
Nyctipitliecus 
2-25 
•23 
2-50 
28-1 
89-6 
Callithrix 
2-95 
•31 
3-30 
28-0 
84-2 
Chrysothrix 
2-60 
•29 
3-00 
29-8 
92-8 
Hapale 
Indris 
1-50 
•16 
1-87 
25-0 
83-3 
6-00 
•52 
6-80 
33-3 
116-5 
Lemur 
3-71 
•40 
4-60 ' 
25-0 
91-6 
Galago 
1-67 
•15 
1-90 
32-7 
103-0 
Loris 
2-48 
•17 
2-64 
43-5 
110-2 
Nycticebus 
2-30 
•23 
2-60 
34-3 
93-8 
Perodicticus 
3-10 
•36 
3-50 
30-3 
106-8 " 
Aretocebus 
2-10 
•17 
2-23 
30-4 
102-4 
Tarsius 
1-55 
•14 
1-72 
50-0 
129-1 
Cheiromys 
2-50 
■35 
| 
3-00 
33-7 
1 
94-3 
* Sometimes in Ateles the radius is shorter than the humerus. 
