88 
THE EACES OF THE GALAPAGOS. 
Vertebrae. 
Length of centrum . . 
Depth of centrum in 
Horizontal width of 
middle of centrum. . 
Width of anterior con- 
dyle 
Width of anterior gle- 
noid cavity 
Width of posterior 
condyle . . . 
Width of posterior 
glenoid cavity .... 19 
Distance of outer mar- 
gins of anterior zy- 
gapophyses 23 
Distance of outer mar- 
gins of posterior zy- 
gapophyses 25 
2nd. 
3rd. 
4th. 
5th. 
6th. 
I' 
s 
vicina. 
abingdonii. 
clephantopi 
vicina. 
abingdonii. 
1 
1 
1* 
vicina. 
A 
abingdonii. 
s 
s 
vicina. 
abingdonii. 
elephantop-i 
vicina. 
^' 
^; 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
mm. 
55 
47 
62 
67 
65 
88 
85 
88 
122 
83 
80 
114 
85 
82 
34 
34 
34 
28 
26 
34 
27 
25 
33 
27 
26 
34 
28 
25 
15 
14 
15 
17 
18 
18 
18 
17 
23 
20 
20 
22 
29 
25 
15 
15 
24 
20 
18 
22 
19 
20 
25 
7th. 
•§ 
I t -I 
^' 
8th. 
CO 
mii. 
S3 
f 
elephan 
vicina. 
ahingdc 
f-; 
hi 
mm. 
mm. 
mm. 
mm. 
99 
45 
63 
30 36 34 34 42 37 40 41 44 
27 25 31 32 28 31 37 39 42 
29 39 
19 21 20 23 26 43 50 47 
20 28 34 33 39 35 38 38 38 37 43 40 42 53 38 33 44 
28 35 26 31 31 28 31 37 30 35 50 29 28 36 46 55 56 
54 60 
65 76 
