61.   The two companies that sell dog litter say you can train an adult dog to use a litter box.

62.   Then during the day I would have to watch her every minute and rush her to the litter box every hour.

63.   Then, the litter box may need to be moved to another location.

64.   They cannot be herded or trained for anything but a litter box and they respond to their owners only when they feel like it.

65.   This automatic self-cleaning litter box is the next best thing to your cat learning to flush the toilet.

66.   Tiki went back to using the rugs as her litter box.

67.   To my nose, the scent of marigolds is much nicer than that of some salvias, which smell like a used litter box, but olfactory preferences vary.

68.   Toxoplasmosis provides a great incentive for husbands to clean litter boxes and to rinse the box with chlorine bleach on a regular basis.

69.   We made the mistake of leaving the cats inside with a litter box once.

70.   What confounds Rick and Sally is that all of the cats consistently use their litter boxes.