"It is obvious from the foregoing that it is not yet possible to write a definitive work on the mammals of AZ. The present review is presented, then, as a progress report with 3 major aims: (1) to summarize the known distributional data for AZ; (2) to point out some of the known problems remaining to be solved, and (3) to encourage others to add to the available information concerning the mammals of this area." from the introduction