| 1 A |
| 1 Ar |
groups. For further illustration, a print is given a preferred primary classification of
| 1, |
| 1 |
although the ridge detail on the right thumb is so formed as to resemble a whorl. The search is completed first in the preferred
| 1 |
| 1 |
primary classification and a reference search is then conducted in the
| 1 |
| 17 |
primary.
All ridge counts that are "line counts," i.e., when one more or one less count would change the designation of the loop from I to O or from S to M, etc., must be searched in both groups. For example, in a print classified
| 16 M 1 U III 10, |
| M 1 U III |