A classic black cat superstition is the provision of good luck when it crosses your path signifying that evil has passed without harm. The converse if also sometimes believed (in the USA for example) that its presence can bring harm. This is very prejudiced against the cat! Here are just a few more:
notes
1 based on http://www.crystalinks.com/superstitions.html but not verbatim
2 The Encyclopedia of the Cat by Dr Bruce Fogle - page 30
3 http://www.apotropaios.co.uk/dried_cats.htm
4 http://www.apotropaios.co.uk/dried_cats.htm
Margaret M Howard, ‘Dried Cats’, Man, no 252, November 1951, pp149-151.Ralph Merrifield, The Archaeology of Ritual and Magic, 1987, Batsford, London
5 The Encyclopedia of the Cat by Dr Bruce Fogle - page 31
6 The Encyclopedia of the Cat by Dr Bruce Fogle - page 30
7 The Encyclopedia of the Cat by Dr Bruce Fogle - page 31
8 The Encyclopedia of the Cat by Dr Bruce Fogle - page 31
9 http://www.essortment.com/all/catssuperstitio_rqsw.htm
10 The Encyclopedia of the Cat by Dr Bruce Fogle - page 31