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Psyche 
[Vol. 92 
Fig. 8. Azteca alpha workers: size range between and within series found within 
individual amber pieces and hence assumed to belong to the same colony. The larger 
frequency curve ( bottom in figure) includes all of the 141 workers measured. The 
smaller frequency curve ( enclosed in rectangle ) includes the measurable workers from 
one of the most populous pieces. The series of horizontal bars (uppermost in figure) 
depict the ranges within single amber pieces. The samples originate variously from 
Carlos Diaz, La Bucara, Las Bocas del Licey, Llaroa, Los Cacaos, Palo Quemado, 
and still other, unknown mine sites within the Dominican Republic. 
