The barriers to communication between scholars and between scholars and the public have been falling as the Internet has grown. Although most of the publicity goes to the web, surveys show that the email is used by more people. Since it is based on characters rather than graphics, bandwidth and modem speed are less problematic than they are for web pages. In addition, while the web is the best way to disseminate information on the internet, electronic conferences and newsgroups are still the best way to interact on the internet. Electronic conferences for archaeologists began in 1986 when Sebastian Rahtz and Kris Lockyear created the ‘Archaeological Information Exchange.’ Four years later AIE begat ARCH-L and the number of archaeologists participating has grown steadily. Today ARCH-L has about 1800 subscribers in 44 different countries; most subscribers are in the US and the UK. ARCH-L now averages about 16 messages a day; just under 3000 messages were posted in the first 6 months of 1997. In addition to ARCH-L, there now are at least 40 other electronic conferences and newsgroups covering different aspects of archaeology.

The author draws attention to Gustave Chauvet's belief, 90 years ago, in Magdalenian weaving on the basis of ethnography, interpretation of Palaeolithic tools and motifs in portable art of the period.

What should professional archaeologists do about objects discovered by amateurs? The best known cases involve metal-detectorists who, under the English 'Treasure Act (1996), are permitted to make agreements with land-owners to search for antiquities and keep them, although the Portable Antiquities Scheme (PAS; set up to complement the Act's provisions) encourages them to have their finds registered by an archaeologist. There is no doubt that this has greatly increased knowledge of artefacts discovered in England where, in the past decade, the annual number of 'portable antiquities formally reported has risen steeply (Bland 2008: 71). The British Museum is now promoting a code of practice (Bland 2008: 81–2); and, at pains to avoid counterposing professional archaeologists and amateurs, it is encouraging the opportunities for outreach and 'community archaeology' (British Museum n.d.: 16–18). Thus Bland (2008: 80) welcomes collective knowledge . . . founded on public . . . participation' rather than . . . research . . . conceived and executed by professionals'. Yet there are now fresh anxieties about preservation at detectorists' sites (Pestell & Ulmschneider 2003: 9–10; Wilson 2009; Plouviez 2010).

In the first of these papersX dealing with certain problems in the history and archaeology of Ancient America an account was given of the Maya Old Empire and the possible causes which lead to its collapse in the fourth or sixth centuries A.D. The whole tract of Xibalba was probably deserted, its inhabitants scattered, and the alien theocracy which had inspired a great semi-civilization destroyed.

In Palæolithic times when each family was self-contained, before social laws and customs had bound such units together to form tribes and clans, the hunters, for such they all were, followed their quarry through the forests and along the valleys, keeping to no set trackways. They needed none, for trackways imply thoroughfares to and from fixed sites or habitations—and the Palaeolithic hunter was a nomad.

When the amalgamation of families took place in early Neolithic or Epipalaeolithic times, no doubt the marsh-dwellers had recognized paths across the swamps to the mainland, and those who formed the shell-mounds of Ertebolle may have used beaten paths along the shore from estuary to estuary.