Located on the northeastern flank of the Popocatépetl volcano in the state of Puebla, Mexico, the Tetimpa region was buried under volcanic ash from two major eruptions: the first, at the beginning of the present era and the second, between A.D. 700 and 850. We review the volcanic and cultural sequences based on 12 radiocarbon dates, and then focus our discussion on the well-preserved house compounds of the occupation destroyed by the first eruption. The village at Tetimpa was abandoned rapidly in the face of disaster, and domestic goods were left in situ, providing us with a unique, almost ethnographic, view of rural life in the Terminal Preclassic. The house compounds follow a highly standardized pattern, consisting of two or three structures set at right angles to one another around a central patio, in a layout similar to that of the three-temple complexes at Teotihuacan. The wattle-and-daub walls of the rooms are built on stone talud-tablero platforms with a central staircase. Small shrines, located at the midpoint of each patio, provide evidence that volcanic activity formed part of the domestic ritual focus.

The 200-year period from A.D. 230 to 430 witnessed the transition from chiefdom to state in the Maya Lowlands and the founding of several early political dynasties. Considerable information on that era is known for major cities like Tikal and Copán, but we knew less about the Calakmul area until recently. Previously, Calakmul's earliest dated monument was Stela 43, carved at A.D. 514. On the other hand, Tikal's earliest text dated to A.D. 292, and its ruling dynasty claimed that its founding date was A.D. 230. The ruling dynasties of most other cities that eventually became Maya regional capitals were evidently founded later, between A.D. 330 and 430.

With the 1994 discovery of Stela 114 at Calakmul, we can now push Calakmul's written record back to A.D. 431. The oldest stela in Calakmul’s realm was erected in A.D. 406 at Balakbal, to document the reign of a Balakbal ruler who was a contemporary of the Tikal ruler Curl Snout. Some 25 years later, Calakmul erected Stela 114 to commemorate a Calakmul ruler who was a contemporary of the Tikal ruler Stormy Sky. Even though we had expected Calakmul's dynasty to have greater time depth than A.D. 514, it was not until the discovery of Stela 114 that we were able to confirm that point.

Las tumbas de tiro son bien conocidas en el registro arqueológico del Occidente de México. Empero, se sabía muy poco de estos entierros y los rituales mortuorios asociados porque la mayoría de estos monumentos funerarios han sido saqueados. En este artículo presentamos nuevos datos procedentes de tres tumbas de tiro selladas, fechadas en los primeros siglos d.C., las cuales fueron recientemente descubiertas y excavadas sistemáticamente en el norte de Jalisco. Los artefactos recuperados de las tumbas muestran afiliaciones estilísticas con materiales culturales provenientes de otras regiones de Jalisco y partes de Nayarit.

Archaeologists have long noted similarities between the lithic artifacts of the first colonists of the Greater Antilles (ca. 3500-2000 B.C.) and those from the eastern Yucatán Peninsula. Recent archaeological work in northern Belize has provided additional archaeological information on the characteristics and dating of the mainland assemblages. New findings by Caribbean archaeologists also have contributed to a clearer picture of the circumstances surrounding the first human migration to the Greater Antilles. A Yucatecan origin for the first Caribbean migrants is now considered probable.

Compositional analyses have long been used to assign obsidian artifacts to particular source areas. In most cases, the chemical “fingerprint” of a particular source area has been determined through the assay of only a few geological specimens from one or two outcrops. As a result, the full range of intrasource compositional variation has rarely been noted, and its spatial patterning frequently has not been studied. This report describes the results of geoarchaeological survey at the important Guatemalan source area of San Martín Jilotepeque. Neutron activation analysis demonstrates the presence of seven distinct chemical “fingerprints” corresponding to spatially discrete subsources within the region. Ancient procurement and production are associated with only three of these subsources. Statistical procedures that can be used to assign artifacts to particular quarries or quarry systems are presented. Several minor Guatemalan source areas also are examined, and one (Media Cuesta) also can be characterized as consisting of two distinct subsources.