A three-dimensional testimony of man's ingenuity in providing sustenance to helpless infants by means other than breast-feeding is shown in the more than 50 feeding bottles, artificial nipples, and cereal vessels (called pap boats, perhaps as a result of their unique shape) currently on display in the University of New Mexico's Medical Center Library. The entire collection, numbering several hundred pieces, was donated in 1968 to the university's medical school by George Eisenberg, MD, a pediatrician who began his practice in Chicago in 1934. The display contains vessels made of ceramic, silver, pewter, tin, and glass that date from as early as the beginning of the Christian era. Infant feeding vessels, however, have had a surprisingly long history, dating from as early as 1500 BC. Roman nursing bottles from the first century BC have been found containing the dried remains of milk. Although silver pieces usually are hallmarked, in other