Table 1.—Length of forearm and cranial measurements of six species of bats occurring on the West Indian island of Anguilla.
| Statistics, catalog numbers, and sex |
Length of forearm |
Greatest length of skull |
Condylobasal length |
Zygomatic breadth |
Postorbital constriction |
Mastoid breadth |
Length of maxillary toothrow |
Breadth across upper molars |
| Monophyllus plethodon luciae |
| Males N Mean Range ± SE |
3 41.8 (40.3-43.7) ±1.01 |
3 23.1 (22.6-23.6) ±0.29 |
3 21.5 (20.8-22.1) ±0.38 |
3 10.4 (10.1-10.8) ±0.22 |
3 4.7 (4.5-4.8) ±0.09 |
3 9.9 (9.7-10.0) ±0.09 |
3 8.1 (7.9-8.3) ±0.12 |
3 5.8 (5.6-6.0) ±0.12 |
| Females N Mean Range ± SE |
3 40.8 (40.6-41.0) ±0.12 |
3 22.9 (22.8-22.9) ±0.03 |
3 21.3 (21.2-21.4) ±0.06 |
3 9.7 (9.6-9.8) ±0.06 |
3 4.7 (4.6-4.7) ±0.03 |
3 9.4 (9.3-9.4) ±0.03 |
3 8.1 (7.8-8.5) ±0.21 |
3 5.4 (5.3-5.5) ±0.06 |
| Brachyphylla cavernarum carvernarum |
| Males N Mean Range ± SE |
7 65.9 (64.2-66.8) ±0.47 |
7 32.1 (31.8-32.5) ±0.09 |
7 28.5 (28.1-28.9) ±0.10 |
7 17.5 (17.1-18.0) ±0.11 |
7 6.4 (6.2-6.6) ±0.05 |
7 15.0 (14.1-15.5) ±0.16 |
7 11.0 (10.7-11.2) ±0.06 |
7 11.7 (11.3-12.3) ±0.14 |
| Females N Mean Range ± SE |
4 64.2 (62.7-65.6) ±0.59 |
4 31.6 (30.5-32.2) ±0.39 |
4 28.1 (27.3-28.9) ±0.33 |
4 17.2 (16.4-18.2) ±0.41 |
4 6.5 (6.3-6.7) ±0.08 |
4 14.8 (14.2-15.3) ±0.23 |
4 11.1 (10.8-11.2) ±0.10 |
4 11.7 (11.2-12.5) ±0.31 |
| Artibeus jamaicensis jamaicensis |
| Males N Mean Range ± SE |
8 59.2 (56.7-62.5) ±0.64 |
8 28.2 (27.8-29.0) ±0.14 |
8 25.0 (24.4-25.5) ±0.13 |
8 16.9 (16.4-17.4) ±0.11 |
8 7.1 (6.7-7.5) ±0.09 |
8 14.6 (14.4-15.3) ±0.11 |
8 9.7 (9.4-10.1) ±0.09 |
8 12.8 (12.6-13.2) ±0.07 |
| Females N Mean Range ± SE |
8 60.3 (58.8-61.3) ±0.30 |
8 28.2 (27.1-29.1) ±0.20 |
8 25.0 (24.3-25.8) ±0.16 |
7 16.8 (16.7-17.1) ±0.09 |
8 7.1 (6.7-7.5) ±0.10 |
8 14.7 (14.0-15.1) ±0.12 |
8 9.9 (9.5-10.3) ±0.08 |
8 12.5 (12.0-12.8) ±0.10 |
| Natalus stramineus stramineus |
| Males |
| AMNH 72368 |
37.8 |
16.7 |
15.0 |
8.5 |
3.1 |
7.5 |
7.2 |
5.8 |
| NMNH 544834 |
40.5 |
17.0 |
15.8 |
8.6 |
3.1 |
8.0 |
7.4 |
5.7 |
| UNSM 16476 |
39.9 |
16.8 |
15.3 |
8.4 |
3.1 |
7.4 |
7.2 |
5.5 |
| Molossus molossus molossus |
| Males |
| AMNH 73687 |
36.5 |
16.8 |
14.9 |
10.5 |
3.3 |
9.9 |
5.6 |
7.4 |
| UNSM 16486 |
39.9 |
17.1 |
15.1 |
10.7 |
3.5 |
9.9 |
6.0 |
7.5 |
| Females |
| NMNH 544385 |
39.4 |
16.2 |
14.4 |
10.1 |
3.3 |
9.4 |
5.7 |
6.9 |
| UNSM 16479 |
38.2 |
16.1 |
14.3 |
9.9 |
3.4 |
9.4 |
5.7 |
7.1 |
| Tadarida brasiliensis antillularum |
| Male |
|
|
|
|
|
|
|
|
| UNSM 16481 |
37.7 |
16.2 |
15.3 |
9.6 |
3.7 |
9.2 |
5.9 |
6.7 |
| Female |
| UNSM 16480 |
39.0 |
15.6 |
14.8 |
9.2 |
3.6 |
8.7 |
5.6 |
6.6 |