A unique seventeenth-nineteenth century slave cemetery population from Newton plantation, Barbados, allows examination of craniodental characters in relation to ethnohistorical data. Age-at-death estimates suggest life expectancy at birth of 29 years and low infant mortality; historical demography, however, suggests life expectancy of 20 years and very high infant mortality. Tooth decay, bilateral tooth loss, periodontal disease, root hypercementosis, and severe enamel hypoplasia are high in frequency. The teeth yield evidence of such cultural practices as pipe-smoking and incisor mutilation. Several skeletal features reflect periodic near-starvation. Directional and fluctuating dental asymmetry, relative tooth size, and hypoplasia distribution suggest slaves experienced considerable weaning trauma; metabolic stress at this time exceeded that of prenatal and immediate postnatal periods. Odontometrics and dental and cranial nonmetric traits indicate that modern Blacks are intermediate between the ancestral slaves and modern Whites but more similar to the latter, suggesting effects of environmental covariance exceed those of genetic admixture. Nonmetric trait distributions show nonrandom patterns according to area of burial in the cemetery, a possible result of family segregation.
Examination of a recently abandoned modern rural house-site in northern Costa Rica was undertaken in an attempt to gain insights into the absence of comparable sites from the Precolumbian archaeological record. The site was thoroughly described, a number of hypotheses based on artifactual evidence were advanced, and the former occupants were then interviewed. Abandonment and post-abandonment behavior by the occupants and others stongly influenced the material culture remains and potential archaeological data. The site had been subjected to a number of alterations and artifacts found were of the lowest retentive priority. A number of problems relevant to archaeological investigation at such sites were elucidated.
Salvage operations were carried out at an extensively pot-hunted Zoned Bichrome period (300 B.C. to A.D. 300) cemetery in northwestern Guanacaste Province, Costa Rica. This is the first "pure" Zoned Bichrome site of this type to be studied and yielded a cross-section of ceramics representative of other Late Formative sites in the area and of contact with the Maya lowlands. In addition, it solidified the impression of this period being an entity distinct from subsequent regional developments. This distinction is seen in terms of adaptation to the exploitation of marine mollusca, a pattern not present in Zoned Bichrome sites known at the present time, but very important in succeeding Polychrome periods.
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