Contents Notes - Ancillary Maps:

An ancillary map is defined as "1. A small supplementary or secondary map outside the neat line of the principal or main map. 2. A generic term for small supplementary or secondary maps located either inside or outside the neat line of the principal or main map." (30)

In the broader sense, an ancillary map is any map on an item that has not been considered the "main map" (i.e., not chosen to be described in the title statement, statement of responsibility, physical description area, etc.). Any map that is represented in the physical description area cannot also be considered an ancillary map.

When used in the broader, more collective sense, ancillary maps include insets as well as supplementary maps outside the neat line of the main map. Therefore, an ancillary map may be located on the recto, verso, or cover of an item, as well as in accompanying material.

Most ancillary maps are described in contents notes. However, ancillary maps in accompanying material are described in an "accompanying material" note in the briefest possible way.

Ancillary maps that occur outside the neat line of the main map, whether on the recto, verso, or cover are described in a simple contents note using either the generic terms maps or ancillary maps. The subject contents is described, when possible, either by using generic topical terms or by quoting titles.

When individual ancillary maps are too numerous to mention separately, groups of maps may be described with generic terms (e.g., local maps, local route maps, etc.). Except, whenever possible, thematic or subject ancillary maps should be described individually. Examples:

If a contents note must include both insets and ancillary maps, they may all be termed ancillary maps, unless a division in description occurs naturally. Examples:

The presence of an index to an ancillary map is usually mentioned. Example:

Normally the presence or absence of coloration for ancillary maps is not mentioned in a simple contents note, however, if such information is considered useful, coloration may be noted or described.