Linnaeus' diagnosis of Homo sapiens was unique: in English translation, "Know thyself." Therefore, anyone who read his Systema Naturae for the next 200 years must be in the type lot, including (now that you've read this) everyone on Conch-L. Gives you a warm feeling, doesn't it? Can we get back to shells now? Andrew K. Rindsberg Geological Survey of Alabama Tuscaloosa, Alabama, USA