A faunistic database on the spiders of the Caucasus
Dmitri Logunov sent me a number of his articles (PDF) on the spider fauna of the Caucasus to make them available on this portal. They can be downloaded from the download-section.
"... a thorough collecting of Arachnids in Transcaucasia would yield a magnificent prey because, namely in spiders, an astonishing richness in both individuals and species made itself noticeable." L. Koch (1878)