pdp: 5/12/94

agc: minor additions 11/7/94

bmw: beginning of major expansion 1/14/96

Dave Smith: Code cleanup, minor reorganization, Smilodon photo replacement,
application of UCMP style sheet on Sabertooth page — 9/28/05

Dave Smith: Application of UCMP style sheet, addition of footer includes, some new images, some image repairs, code cleanup for all Carnivora pages 10/11-12/05