The National Agricultural Library (NAL) has released a significant upgrade to its Web-based AGRICOLA catalog of records for the materials in its collection. The new version of AGRICOLA provides improved access--many new search and retrieval capabilities, with daily updates--to over 4 million bibliographic records, the world's largest compilation of agricultural information.   You will be redirected to the new AGRICOLA catalog in a few seconds, or may click on the following link: http://agricola.nal.usda.gov.   Please update your bookmarks accordingly.